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Caution

Bricks can happen

This guide is an explaination of the correct steps to follow. Errors may still happen, both caused by
the user or by unpredictable conditions on your work machine. We’re not resposible for any data loss,
soft bricks or permanent damage on the device.

The firmware provided is for testing purposes only. We aren’t responsible for any data loss caused by
the firmware images. Make backups of your data prior to installing.

This software has not been approved for use with emergency services. By installing this
software, you agree to not use it as your primary phone device due to possible disruption in
emergency service access.

Prerequisites

  • Lumia 950 (Talkman) or Lumia 950 XL (Cityman)
  • A Windows PC
  • A cable to connect the phone to the PC

Software:

  • WPInternals

And a lot of patience!


Please read the entire guide before starting the process. The unlocking procedure involves
a lot of different variables, so some steps might differ from phone to phone. It might be
needed to try a few times.

Vectorial phone with an unlock symbol

Before starting…

If you plan on keeping Windows 10 Mobile alongside Windows On ARM, make sure to fully update your
phone before following this procedure. In fact, you
can’t update your Windows Mobile installation while the bootloader is unlocked.

Let’s begin!

Let’s start by downloading WPInternals. Save it somewhere on your PC, then extract it.
You might need to disable your antivirus, because it might be flagged as a false positive.

Run WPInternals, and you will be greeted by the Getting Started screen. Please take your time
to read through the page. You will be instructed to install dome drivers needed for WPInternals
to work.

The WPInternals tool Welcome Page

Plug your phone to your PC, and WPInternals should detect it. (This is pictured in this step).
This might look a bit different if your phone is not booted into Windows Phone, but don’t worry.

You’ll need a few files for this to work, including the original FFU file for your model.

In case you haven’t done this before or miss those files, go into the «Download» tab and
press the «Download All» button. this will download every file needed for your device.

The WPInternals device info page

Click «Unlock Bootloader» on the left. WPInternals will ask you to reboot to flash mode,
if you aren’t already in it. Press OK to confirm.

WPInternals asking to go to flash mode

You’ll see this page. Please take your time read through it. Go to the end of the page,
and press the unlock button. If this button isn’t enabled, you should still select the
correct FFU and EDE files. If you don’t have them, please go to the Download section and
download them, then come back here.

The WPInternals unlock page

Follow the instructions that keep appearing, in case they do, and then…

WPInternals unlocking the bootloader

We’re done!

Your phone will now boot back to Windows Phone. You can also unplug it from the PC if needed now.

WPInternals completed the unlock procedure

XDA Forums

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You should upgrade or use an alternative browser.

  • #1

This Is a Written Tutorial On Unlocking Lumia Bootloader and flashing Custom Rom.

While This is Just a Written Tutorial Of using windows phone internals I am Just Providing Its Tutorial.
All Work Is Done By HealthCliff,
He Is Owner And Creator Of WindowsPhoneInternals.

Features Of Unlocking BootLoader,
1.Enable of root access.
2.Installing Any Custom Rom.
3.Customising Phone.
4.Access Of System Files.
5.Interop Unlock (Deploy Unlimited xap,appx)
6.A way for HomeBrew Apps.

Warning:This tool may cause irrevocable damage and/or data loss when applied to any target device. As such please ensure that you fully comprehend and accept the Disclaimer and warnings before proceeding any further.
Means That This Can Really Brick Your Lovely Wp Device, The Developer (HealthCliff) Or anyone is not responsible For any Damage caused to your Phone. You are all responsible for every action You take.

Supported Phones:
Lumia 520, 521, 525, 620, 625, 720, 820, 920, 925, 928, 1020 and 1320 are supported. These bootloaders can be unlocked.

Supported OS:
8.10.12393.890
8.10.12397.895
8.10.14219.341
8.10.14226.359
8.10.14234.375
8.10.15116.125
8.10.15148.160
10.0.10512.1000
10.0.10536.1004
10.0.10549.4
10.0.10581.0
10.0.10586.11
10.0.10586.36

Requirements,
1.WindowsPhoneInternals -Get It > here.
2.Windows Device Recovery Tool — Get It > here
3.SBL3(Optional But Required) — In attachment
4.Compatible FFU Image For Your Phone.(You Can Get It with Windows Device Recovery Tool or WDRT.)
5.Drivers(Installed With WDRT).
6.Lumia Emergency Flash Loaders — You will Get It from here.

The Tools And Resources At No. 3,4,6 Differ From Phone to Phone So i WIll Tell You How To Get This All.

Preparation:

1.Installing Windows Device Recovery tool:
1.1: Download Tool(Link in Requirement Area).
1.2: Install It.
1.3: Wait Until It Download And Install All Required Drivers.

2.Obtaining A FFU Image.
2.1: Connect WindowsPhone To Pc via USB cable(Data Cable).
2.2: Run Windows Device Recovery Tool And Select Your Phone.
2.3: Click On Reinstall/Install Software Button.
2.4: Let It To Download And Flash Your Lumia.(Note: FFU Images Are Greater Than 1 GB, So Download Can Take Great Time)
2.5: Once Flashing Done Look For FFU File in C:\ProgramData\Microsoft\Packages\Products\<Your RM Version>\<ProductName>.ffu\
2.6: Copy And Backup That File To a Safe Place.

3.Engineering SBL3.
3.1: Look For Attachment I Have Provided SBL3 Of all lumia phones in Just a zip!!
3.2: Download And Extract It.
3.3: Look For Your Phone’s SBL3 And Backup That file to a safe place.

4.Lumia Emergency Flash Loaders.
4.1: Connect Phone To PC.
4.2: Open WindowsPhone Internals.
4.3: When It Will Detect Your Phone It Will Show Some Information Of Your Phone (Under General Info Tab)
4.4: Note Its Brand/Model And Product Code As SHown In ScreenShot.

4.5 :Go to http://www.lumiafirmware.com/ and Click on Your Phone Compatible Tab. Like For me Its Lumia 625 RM-941.
4.6: It will Give you many Codes Select One That is exactly matched with your Product Code Found with windows phone internal.
4.7: Download Hex/bin File And Backup It.

Real Instructions,Finishing Up

Now its time to unlock your boot loader and Enable root access,
Make Sure You Got All Necessary Files.

1.Unlocking BootLoader.
1.1: Connect WP to PC via Data Cable and Run WindowsPhoneInternals.
1.2: Tap On Manual mode then Switch to Flash Mode.

1.3: Click On Unlock BootLoader And Load All Your Resource(FFU,Hex,etc)

1.4: Click On continue And Wait Till It Unlock Your Bootloader with sbl3 enabled.
1.5: Wait For Success Message And Your Bootloader is Unlocked.

2.Enable Root Access
2.1: Go To Root Acces Tab.
2.2: If You Have Selected sbl3 in Booting Process Then Just Click on Unlock Phone Button in Enable Root Access directly on phone section.
2.3: Done Now enjoy.

Part 2:Flashing Custom Rom
To Flash custom Rom get one for your phone and follow this procedure but please you need to unlock bootloader first in order to install custom Rom.

Installing Custom ROM:
1.Go to Flash section of windows phone internals.
2.It will reboot you Wp to Flash Mode and ask you to select Rom just select it
3.Hit the button and allow it to Flash (takes almost 25min).
4.It will reboot and enjoy your custom Rom.

Fixing Bricked lumia

In Case if you bricked your device you can just follow my new post it maybe can help you.

Take steps given in this article to try to solve most bricked lumia device.

Attachments



Last edited:

  • #2

where can I find a SBL3 for lumia 1320? It’s not attached

  • #3

When I do this it gets stuck on the «switching to emergency download mode» screen for several hours before saying it was unsuccessful and rebooting my phone to normal mode. How do I fix this?


  • #5

unexpected error during scanning the loaders

This Is a Written Tutorial On Unlocking Lumia Bootloader and flashing Custom Rom.

While This is Just a Written Tutorial Of using windows phone internals I am Just Providing Its Tutorial.
All Work Is Done By HealthCliff,
He Is Owner And Creator Of WindowsPhoneInternals.

Features Of Unlocking BootLoader,
1.Enable of root access.
2.Installing Any Custom Rom.
3.Customising Phone.
4.Access Of System Files.
5.Interop Unlock (Deploy Unlimited xap,appx)
6.A way for HomeBrew Apps.

Warning:This tool may cause irrevocable damage and/or data loss when applied to any target device. As such please ensure that you fully comprehend and accept the Disclaimer and warnings before proceeding any further.
Means That This Can Really Brick Your Lovely Wp Device, The Developer (HealthCliff) Or anyone is not responsible For any Damage caused to your Phone. You are all responsible for every action You take.

Supported Phones:
Lumia 520, 521, 525, 620, 625, 720, 820, 920, 925, 928, 1020 and 1320 are supported. These bootloaders can be unlocked.

Supported OS:
8.10.12393.890
8.10.12397.895
8.10.14219.341
8.10.14226.359
8.10.14234.375
8.10.15116.125
8.10.15148.160
10.0.10512.1000
10.0.10536.1004
10.0.10549.4
10.0.10581.0
10.0.10586.11
10.0.10586.36

Requirements,
1.WindowsPhoneInternals -Get It > here.
2.Windows Device Recovery Tool — Get It > here
3.SBL3(Optional But Required) — In attachment
4.Compatible FFU Image For Your Phone.(You Can Get It with Windows Device Recovery Tool or WDRT.)
5.Drivers(Installed With WDRT).
6.Lumia Emergency Flash Loaders — You will Get It from here.

The Tools And Resources At No. 3,4,6 Differ From Phone to Phone So i WIll Tell You How To Get This All.

Preparation:

1.Installing Windows Device Recovery tool:
1.1: Download Tool(Link in Requirement Area).
1.2: Install It.
1.3: Wait Until It Download And Install All Required Drivers.

2.Obtaining A FFU Image.
2.1: Connect WindowsPhone To Pc via USB cable(Data Cable).
2.2: Run Windows Device Recovery Tool And Select Your Phone.
2.3: Click On Reinstall/Install Software Button.
2.4: Let It To Download And Flash Your Lumia.(Note: FFU Images Are Greater Than 1 GB, So Download Can Take Great Time)
2.5: Once Flashing Done Look For FFU File in C:\ProgramData\Microsoft\Packages\Products\<Your RM Version>\<ProductName>.ffu\
2.6: Copy And Backup That File To a Safe Place.

3.Engineering SBL3.
3.1: Look For Attachment I Have Provided SBL3 Of all lumia phones in Just a zip!!
3.2: Download And Extract It.
3.3: Look For Your Phone’s SBL3 And Backup That file to a safe place.

4.Lumia Emergency Flash Loaders.
4.1: Connect Phone To PC.
4.2: Open WindowsPhone Internals.
4.3: When It Will Detect Your Phone It Will Show Some Information Of Your Phone (Under General Info Tab)
4.4: Note Its Brand/Model And Product Code As SHown In ScreenShot.

4.5 :Go to http://www.lumiafirmware.com/ and Click on Your Phone Compatible Tab. Like For me Its Lumia 625 RM-941.
4.6: It will Give you many Codes Select One That is exactly matched with your Product Code Found with windows phone internal.
4.7: Download Hex/bin File And Backup It.

Real Instructions,Finishing Up

Now its time to unlock your boot loader and Enable root access,
Make Sure You Got All Necessary Files.

1.Unlocking BootLoader.
1.1: Connect WP to PC via Data Cable and Run WindowsPhoneInternals.
1.2: Tap On Manual mode then Switch to Flash Mode.

1.3: Click On Unlock BootLoader And Load All Your Resource(FFU,Hex,etc)

1.4: Click On continue And Wait Till It Unlock Your Bootloader with sbl3 enabled.
1.5: Wait For Success Message And Your Bootloader is Unlocked.

2.Enable Root Access
2.1: Go To Root Acces Tab.
2.2: If You Have Selected sbl3 in Booting Process Then Just Click on Unlock Phone Button in Enable Root Access directly on phone section.
2.3: Done Now enjoy.

Part 2:Flashing Custom Rom
To Flash custom Rom get one for your phone and follow this procedure but please you need to unlock bootloader first in order to install custom Rom.

Installing Custom ROM:
1.Go to Flash section of windows phone internals.
2.It will reboot you Wp to Flash Mode and ask you to select Rom just select it
3.Hit the button and allow it to Flash (takes almost 25min).
4.It will reboot and enjoy your custom Rom.

Fixing Bricked lumia

In Case if you bricked your device you can just follow my new post it maybe can help you.

Take steps given in this article to try to solve most bricked lumia device.

i have flashed my lumia 525 with wdrt, i have a ffu file and engineering slb3 (lumia 520). don,t know what to do with the emergency flash loaders , and what folder to select. please explain me everything in detail.
thankyou

  • #6

SBL3 For Lumia 1320

where can I find a SBL3 for lumia 1320? It’s not attached

DO you find any abl3 file for lumia 1320 ?

  • #7

lumia 1520

so does this work forLumia 1520 and i can install lineage OS on it?

  • #8

I have a Lumia 820. I tried following the above process, but while doing it my Laptop crashed when the process was midway. Now my phone does not switch on at all. Any idea what can be done.

  • #9

Nope. If I keep the mobile connected to my laptop and try soft or hard reset, it makes sound but nothing happens on the mobile.


  • #10

Large Important Question before unlocking bootloader

This Is a Written Tutorial On Unlocking Lumia Bootloader and flashing Custom Rom.

While This is Just a Written Tutorial Of using windows phone internals I am Just Providing Its Tutorial.
All Work Is Done By HealthCliff,
He Is Owner And Creator Of WindowsPhoneInternals.

Features Of Unlocking BootLoader,
1.Enable of root access.
2.Installing Any Custom Rom.
3.Customising Phone.
4.Access Of System Files.
5.Interop Unlock (Deploy Unlimited xap,appx)
6.A way for HomeBrew Apps.

Warning:This tool may cause irrevocable damage and/or data loss when applied to any target device. As such please ensure that you fully comprehend and accept the Disclaimer and warnings before proceeding any further.
Means That This Can Really Brick Your Lovely Wp Device, The Developer (HealthCliff) Or anyone is not responsible For any Damage caused to your Phone. You are all responsible for every action You take.

Supported Phones:
Lumia 520, 521, 525, 620, 625, 720, 820, 920, 925, 928, 1020 and 1320 are supported. These bootloaders can be unlocked.

Supported OS:
8.10.12393.890
8.10.12397.895
8.10.14219.341
8.10.14226.359
8.10.14234.375
8.10.15116.125
8.10.15148.160
10.0.10512.1000
10.0.10536.1004
10.0.10549.4
10.0.10581.0
10.0.10586.11
10.0.10586.36

Requirements,
1.WindowsPhoneInternals -Get It > here.
2.Windows Device Recovery Tool — Get It > here
3.SBL3(Optional But Required) — In attachment
4.Compatible FFU Image For Your Phone.(You Can Get It with Windows Device Recovery Tool or WDRT.)
5.Drivers(Installed With WDRT).
6.Lumia Emergency Flash Loaders — You will Get It from here.

The Tools And Resources At No. 3,4,6 Differ From Phone to Phone So i WIll Tell You How To Get This All.

Preparation:

1.Installing Windows Device Recovery tool:
1.1: Download Tool(Link in Requirement Area).
1.2: Install It.
1.3: Wait Until It Download And Install All Required Drivers.

2.Obtaining A FFU Image.
2.1: Connect WindowsPhone To Pc via USB cable(Data Cable).
2.2: Run Windows Device Recovery Tool And Select Your Phone.
2.3: Click On Reinstall/Install Software Button.
2.4: Let It To Download And Flash Your Lumia.(Note: FFU Images Are Greater Than 1 GB, So Download Can Take Great Time)
2.5: Once Flashing Done Look For FFU File in C:\ProgramData\Microsoft\Packages\Products\<Your RM Version>\<ProductName>.ffu\
2.6: Copy And Backup That File To a Safe Place.

3.Engineering SBL3.
3.1: Look For Attachment I Have Provided SBL3 Of all lumia phones in Just a zip!!
3.2: Download And Extract It.
3.3: Look For Your Phone’s SBL3 And Backup That file to a safe place.

4.Lumia Emergency Flash Loaders.
4.1: Connect Phone To PC.
4.2: Open WindowsPhone Internals.
4.3: When It Will Detect Your Phone It Will Show Some Information Of Your Phone (Under General Info Tab)
4.4: Note Its Brand/Model And Product Code As SHown In ScreenShot.

4.5 :Go to http://www.lumiafirmware.com/ and Click on Your Phone Compatible Tab. Like For me Its Lumia 625 RM-941.
4.6: It will Give you many Codes Select One That is exactly matched with your Product Code Found with windows phone internal.
4.7: Download Hex/bin File And Backup It.

Real Instructions,Finishing Up

Now its time to unlock your boot loader and Enable root access,
Make Sure You Got All Necessary Files.

1.Unlocking BootLoader.
1.1: Connect WP to PC via Data Cable and Run WindowsPhoneInternals.
1.2: Tap On Manual mode then Switch to Flash Mode.

1.3: Click On Unlock BootLoader And Load All Your Resource(FFU,Hex,etc)

1.4: Click On continue And Wait Till It Unlock Your Bootloader with sbl3 enabled.
1.5: Wait For Success Message And Your Bootloader is Unlocked.

2.Enable Root Access
2.1: Go To Root Acces Tab.
2.2: If You Have Selected sbl3 in Booting Process Then Just Click on Unlock Phone Button in Enable Root Access directly on phone section.
2.3: Done Now enjoy.

Part 2:Flashing Custom Rom
To Flash custom Rom get one for your phone and follow this procedure but please you need to unlock bootloader first in order to install custom Rom.

Installing Custom ROM:
1.Go to Flash section of windows phone internals.
2.It will reboot you Wp to Flash Mode and ask you to select Rom just select it
3.Hit the button and allow it to Flash (takes almost 25min).
4.It will reboot and enjoy your custom Rom.

Fixing Bricked lumia

In Case if you bricked your device you can just follow my new post it maybe can help you.

Take steps given in this article to try to solve most bricked lumia device.

Well, you can get the FFU file of your Lumia at http://lumiafirmware.com/. But after unlocking the bootloader from the selected FFU file, will flashing the FFU file with unlocked bootloader erase all data from my phone??? I’m just making sure before I start the process because I have a game (mostly used) named Asphalt 8: Airborne, and I don’t want to get it erased coz it took literally two days to fully download it… Since we have a slow internet connection (about 70+ to 90+ KB/s average), I cant do it again! So, in conclusion, will this erase all data from my phone after flashing it with unlocked bootloader???????
PS: Lumia 520

  • #11

Just a quick question, I’m about to use the updated Windows Phone Internals 2.3. I only want to Unlock the Bootloader and Enable root access (for Lumia 950). Doing these alone shouldn’t erase phone data, right?

  • #12

You should wait with 950, unlocking those is quite problematic at the moment

Can do. Thanks for the heads up!

  • #13

WPInternals 2.4 crashed in begging of proccess of flashing unlock bootlader. Phone is dead now. Any help guys.
I’m using Win10 x64..

EDIT: have managed to revive it via WDRT, but still having problems with WPInternals. Its just crash at start of unlock bootlader proccess

EDIT2: turned ON the compability mode to Win7 for WPInternals, seems it work now.

Last edited:

  • #14

how shall I load the .hex?if there are only two options, one for the ffu and one for the .bin?

  • #15

Hi there guys, when I try to flash on WPInternals 2.4 I get «Flash Failed. Bad GPT.» and that’s it. The phone is working though, cause the process didn’t even start. Thanks in advance

  • #16

928 Mistake?

It was stated that the 928 could have its bootloader unlocked

Supported Phones:
Lumia 520, 521, 525, 620, 625, 720, 820, 920, 925,

928, 1020 and 1320 are supported. These bootloaders can be unlocked.

But there is no transparent way stated… Does this require using one of the other sbl files or was it a simple mistake hat it was put on the supported list?

  • #17

Running Android on Nokia 1520

Hi Guys,

I have Nokia 1520. I am not able to find any able to find SBL3 file for this phone.

Can anyone please help?

Thanks in Advance.
Mike

  • #18

Running Android on Nokia 1520

Read the treads instead of asking for stuff that not only does not exist, but is not needed at all.
SBL3 files are not required for unlocking any Lumia, and are only optionally used on 520 to 1320.
For 1520 and above there is no SBL3 at all.

Thanks, I did tried different permutation and combination.
1. I tried with the FFU that I got from WDRT (stored in ProgramData) — Didn’t work
2. Downloaded the files from Windows Phone Internal — Didn’t work
3. Downloaded the FFU and all bin and edp file from lumiafirmware — didn’t work
4. Tried a different FFU for another phone — Didn’t work.
5. Tried with a different SBL3 — Didn’t work. (just wanted to try it out)

I am getting error — «Value Cannot be null. Parameter name: No FFU with supported OS version was provided.»

So, I was not able to pinpoint, what I am doing wrong or which combination should I select, as all FFU images are giving the same error. Please guide me to proceed further.

My Product Type — RM-940
and ProductCode — 059V5B2

Thanks in Advance.

  • #19

Running Android on Nokia 1520

In this case read the getting started page of WPInternals that says you need to select a second FFU of a different model,. but with a supported OS version, if your OS version is not supported. Keep your original FFU as the first file, ede as the second, the supported FFU as third. Try 950/950XL FFU files for that one

Thanks for getting back. I was able to proceed to next Step, using 950XL FFU, it failed few times, got hex code errors, but I kept repeating and in the end, I was through. I was able to Unlock bootloader and Enable Root Access (I got success message… ).

Now, for installing Android ROM, I searched LineageOS (https://wiki.lineageos.org/devices/), Lumia 1520 was not on their list, and was not able to get something from google as well. (Sorry, I am not techie).

Can you please point, which ROM should I be using to install Android on Nokia Lumia 1520.

Thanks in Advance.

  • #20

When I do this it gets stuck on the «switching to emergency download mode» screen for several hours before saying it was unsuccessful and rebooting my phone to normal mode. How do I fix this?

Were you able to sort this out, my lumia 1020 does this. Gets stuck at switching to emergency download

Sent from my SM-N950F using Tapatalk

———- Post added at 06:40 AM ———- Previous post was at 06:39 AM ———-

Lumia 1020 stuck at switching to emergency mode

This Is a Written Tutorial On Unlocking Lumia Bootloader and flashing Custom Rom.

While This is Just a Written Tutorial Of using windows phone internals I am Just Providing Its Tutorial.
All Work Is Done By HealthCliff,
He Is Owner And Creator Of WindowsPhoneInternals.

Features Of Unlocking BootLoader,
1.Enable of root access.
2.Installing Any Custom Rom.
3.Customising Phone.
4.Access Of System Files.
5.Interop Unlock (Deploy Unlimited xap,appx)
6.A way for HomeBrew Apps.

Warning:This tool may cause irrevocable damage and/or data loss when applied to any target device. As such please ensure that you fully comprehend and accept the Disclaimer and warnings before proceeding any further.
Means That This Can Really Brick Your Lovely Wp Device, The Developer (HealthCliff) Or anyone is not responsible For any Damage caused to your Phone. You are all responsible for every action You take.

Supported Phones:
Lumia 520, 521, 525, 620, 625, 720, 820, 920, 925, 928, 1020 and 1320 are supported. These bootloaders can be unlocked.

Supported OS:
8.10.12393.890
8.10.12397.895
8.10.14219.341
8.10.14226.359
8.10.14234.375
8.10.15116.125
8.10.15148.160
10.0.10512.1000
10.0.10536.1004
10.0.10549.4
10.0.10581.0
10.0.10586.11
10.0.10586.36

Requirements,
1.WindowsPhoneInternals -Get It > here.
2.Windows Device Recovery Tool — Get It > here
3.SBL3(Optional But Required) — In attachment
4.Compatible FFU Image For Your Phone.(You Can Get It with Windows Device Recovery Tool or WDRT.)
5.Drivers(Installed With WDRT).
6.Lumia Emergency Flash Loaders — You will Get It from here.

The Tools And Resources At No. 3,4,6 Differ From Phone to Phone So i WIll Tell You How To Get This All.

Preparation:

1.Installing Windows Device Recovery tool:
1.1: Download Tool(Link in Requirement Area).
1.2: Install It.
1.3: Wait Until It Download And Install All Required Drivers.

2.Obtaining A FFU Image.
2.1: Connect WindowsPhone To Pc via USB cable(Data Cable).
2.2: Run Windows Device Recovery Tool And Select Your Phone.
2.3: Click On Reinstall/Install Software Button.
2.4: Let It To Download And Flash Your Lumia.(Note: FFU Images Are Greater Than 1 GB, So Download Can Take Great Time)
2.5: Once Flashing Done Look For FFU File in C:\ProgramData\Microsoft\Packages\Products\<Your RM Version>\<ProductName>.ffu\
2.6: Copy And Backup That File To a Safe Place.

3.Engineering SBL3.
3.1: Look For Attachment I Have Provided SBL3 Of all lumia phones in Just a zip!!
3.2: Download And Extract It.
3.3: Look For Your Phone’s SBL3 And Backup That file to a safe place.

4.Lumia Emergency Flash Loaders.
4.1: Connect Phone To PC.
4.2: Open WindowsPhone Internals.
4.3: When It Will Detect Your Phone It Will Show Some Information Of Your Phone (Under General Info Tab)
4.4: Note Its Brand/Model And Product Code As SHown In ScreenShot.

4.5 :Go to http://www.lumiafirmware.com/ and Click on Your Phone Compatible Tab. Like For me Its Lumia 625 RM-941.
4.6: It will Give you many Codes Select One That is exactly matched with your Product Code Found with windows phone internal.
4.7: Download Hex/bin File And Backup It.

Real Instructions,Finishing Up

Now its time to unlock your boot loader and Enable root access,
Make Sure You Got All Necessary Files.

1.Unlocking BootLoader.
1.1: Connect WP to PC via Data Cable and Run WindowsPhoneInternals.
1.2: Tap On Manual mode then Switch to Flash Mode.

1.3: Click On Unlock BootLoader And Load All Your Resource(FFU,Hex,etc)

1.4: Click On continue And Wait Till It Unlock Your Bootloader with sbl3 enabled.
1.5: Wait For Success Message And Your Bootloader is Unlocked.

2.Enable Root Access
2.1: Go To Root Acces Tab.
2.2: If You Have Selected sbl3 in Booting Process Then Just Click on Unlock Phone Button in Enable Root Access directly on phone section.
2.3: Done Now enjoy.

Part 2:Flashing Custom Rom
To Flash custom Rom get one for your phone and follow this procedure but please you need to unlock bootloader first in order to install custom Rom.

Installing Custom ROM:
1.Go to Flash section of windows phone internals.
2.It will reboot you Wp to Flash Mode and ask you to select Rom just select it
3.Hit the button and allow it to Flash (takes almost 25min).
4.It will reboot and enjoy your custom Rom.

Fixing Bricked lumia

In Case if you bricked your device you can just follow my new post it maybe can help you.

Take steps given in this article to try to solve most bricked lumia device.

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Уже долгое время не было никаких сведений относительно взлома операционной системы Windows Phone или загрузчиков смартфонов на этой ОС. Но все изменилось сегодня утром, когда хакер на XDA выпустил первый набор утилит Windows Phone Internals 1.0. Программное обеспечение, которое создавалось многими месяцами, позволяет энтузиастам открыть загрузчик выбранных смартфонов Lumia, после чего становится возможной реализация Root-доступа и создания кастомных прошивок. Приложение поддерживает подавляющее большинство Windows Phone 8.1 и даже Windows 10 Mobile, что особо интересно, поскольку ядро операционной системы гораздо перспективнее, чем это кажется на первый взгляд. С момента Windows Phone 7.5 и Nokia Lumia 710 — это первый раз, когда на Windows Phone появилась возможность создавать кастомные ROM (за исключением Samsung ATIV S).

Автор приложения опубликовал две видеозаписи, где рассказывает, что и как работает. Обыденному пользователю там пока нечего особо смотреть, поскольку Windows Phone Internals только подготавливает почву для создания кастомных прошивок, следовательно первые реальные результаты работы Heathcliff появятся только со временем, когда другие хакеры возьмут выпущенную утилиту на вооружение.

Windows Phone Internals доступно всем желающим, но если вы не разбираетесь в тонкостях взлома и другой хакерской деятельности, рекомендуем воздержаться от экспериментов над своим смартфоном, дабы избежать окирпичивания или других неисправностей.

На данный момент, автор приложения заявил о поддержке следующих моделей смартфонов Lumia: 520, 521, 525, 620, 625, 720, 820, 920, 925, 928, 1020, 1320. К сожалению, новинки пока не поддерживаются, как и предыдущие флагманы 930/1520, но обещается расширение списка поддерживаемых смартфонов. Что же касается ОС, то разблокировать можно от версии Windows Phone 8.10.12393.890 до 8.10.15148.160 (8.1.2) и Windows 10 Mobile билдов 10512, 10536, 10549 и 10581. RTM-версии 10586 пока нет.

Похоже, что нас ждет очень много интересного. Кто знает, какие уникальные возможности откроются перед поклонниками Windows 10 Mobile.

Источник: Windows Phone Internals

Microsoft & Nokia made it very difficult to modify the system by locking down the bootloader of Windows Phone devices. Now with more developments and availability of better tools, it is very easy to unlock the bootloader of Lumia phones. An unlocked bootloader opens many customization options, even making installing Android OS a possibility. Just follow the below steps to unlock the bootloader and get the root access for your Windows device.

Steps to Unlock Bootloader of Lumia Phones

Only a limited number of devices are supported as of now. Please follow the steps only if your Lumia device is included in the list below.

View Supported Devices

  • Nokia Lumia 520
  • Lumia 521
  • Lumia 525
  • Lumia 620
  • Lumia 625
  • Lumia 720
  • Lumia 820
  • Lumia 920
  • Lumia 925
  • Lumia 928
  • Lumia 1020
  • Lumia 1320

Prerequisites:

  • Stock Firmware of your device ( .ffu file)
  • WP Internal Tool: You can download it from here: WP Internal
  • The HEX files & Engineering-SBL3s file from here: Link

Procedure:

  1. We recommend flashing the stock firmware before unlocking. To flash stock firmware, just navigate to the ‘Flash’ option under ‘Platform’ header.
  2. Over the right side, you will see a header saying,Flash Original FFU. Under that, just browse the FFU of your device and click on Flash FFU Image. Wait while the software flashes the original firmware.
    Flash Orinal FFU

  3. Once your phone boots back after the flash, under ‘Unlock‘ header select ‘Unlock Bootloader‘.
  4. Confirm by clicking OK in the prompt to switch the phone into flash mode.
    Reboot to Flash mode

  5. Now under ‘Resource for Flashing‘ section, click on ‘Select your FFU image’ and browse the FFU and click ok.
  6. Now click on ‘Select the folder with Lumia Emergency Driver’ and select the ‘MPRG_HEX’ folder and click OK.
  7. Now click on ‘Optionally Select an FFU image or raw image with an Engineering-SBL3 Partition’ and browser the file for your device from the folder named ‘Engineering-SBL3s’.
  8. Once it’s done just hit ‘Continue’. That’s it and wait till the process is complete.

Your Lumia phone will have its bootloader unlocked if you’ve followed the steps correctly. If you have faced some issue while unlocking bootloader, do let us know. We will help you out 🙂

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