How to Jailbreak and Unlock your Lumia Windows Phone

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UPDATED TUTORIAL HERE

Current state of my Lumia 735 with interop unlock, though it doesn’t deploy other apps

Update : Working list of devices
Lumia 635,Lumia 735, Lumia 640, Lumia 1520, Lumia 520, Lumia 535, Lumia 830 (thanks Andrea Mennillo)

Ok so I tried on a Lumia 525 and it Failed
A friend tried on his Lumia 1320 and it Failed
Failed on a Lumia 720

Update : I updated my once drive package link with more data.bin files of devices, im still searching for more, will keep adding 🙂

So finally Lumia Windows Phone 8.1 devices get Interop Unlock which can open the system to certain mods and tweaks.

The process is not very long but a little complicated if not followed word to word.

Also this tutorial needs you to perform a hard reset at the end to apply the unlock.

First of all, warnings!

No one except yourself is responsible for any damage caused to your device, either by hardware or software.
Whatever you do is at your own risk because this tutorial can be brick your device.
We recommend to backup your files either with Windows Phone backup settings or copy the remaining files to your PC.

This tutorial in no manner promotes piracy and is only for educational purpose.

 

Requirements : 
A Lumia Windows Phone with microSD support.

A microSD card

A micro-USB cable to connect the Lumia to PC.
A PC or Windows tablet with Windows 8.1.

You need either Visual Studio 2013 as a basic requirement to deploy an app to the Windows Phone so that the rest of the tutorial can be completed.
Visual Studio is a huge software to download and hence it will be better to download the Lite version from here.

(Note: You need to register as a developer to be able to do this, in short this needs developer unlock for the start)

Process : 

1. Follow this link to install CustomWPSystem (Make sure its version 6)to your Windows Phone Device and make sure this app is installed to the PHONE MEMORY, if by default it installs to SD Card, MOVE it to PHONE memory.

2. Next is, We need to move the Extras + Info app that is in settings, from Phone memory to SDcard(its default stored on the phone memory).

To do this,
a.Goto Date + time settings
b.Change the “YEAR” to something like 2115 or more
c.Now goto Extras + Info, if you tap on it now, it will give you a dialogue box, asking to Uninstall or Buy, UNINSTALL the app.
d.Now change the date back to normal or set it to automatic.3. Now open Storage Sense and make sure new apps install on “SD Card”

4. Download this package which is a .7z  file, which after your extract you get a folder named “Data”, a file named additional_entries.reg and ROMRebuilder.xap (DO NOT DEPLOY ROMRebuilder.xap)

5. Copy ROMRebuilder.xap to any directory on your Windows Phone SD card.

6. Now open CustomWPSystem that you have deployed earlier, follow the instructions to get a green sign for the SD card permissions and make sure no other app installed on SD Card is running in the background.

7. Next box should have Preview for developers selected by default, CHANGE it to EXTRAS + Info and the tap on Download from Store.

8. If you selected SD Card in storage settings, the app Extras + Info should install on the SD card.

9. Now tap on Select the XAP, here you need to select the ROMRebuilder.xap app that we copied to the phone in step 5 and then tap on Apply XAP.

10. If it all works well, you should have a success message and if you go to Settings, you will find the Extras + Info app replaced by the “ROM ReBuilder” app.11. Now copy the Data folder that we download from step 4 into the Root of the SD card. i.e (D:Data)

12. If you device is listed on this link download the data.bin file for your device (RM- number is important)
If your device is NOT listed, goto step 12. A. below.

13. Now copy this data.bin file to the Data folder in your SD Card. So it should look like this , D:Datadata.bin

14. Now open the “ROM Rebuilder” app that replaced the Extras+Info app and tap on “Rebuild”, If everything was done fine you should get a “Success” message and then you need to HARD RESET your Windows Phone which will then Interop Unlock your device!

12. A. If your device is not listed you need to make the data.bin file
For that,
12.a.1. Open the ROM Rebuild app that is in Settings

12.a.2 Tap on BACKUP, this will generate a file in your phone in the data folder, i.e “D:DataBackup” with the name OEMSettings.reg , make sure you take a backup of OEMSettings.reg before you replace anything inside it. Just keep one copy safe always.

12.a.3 Copy this file to your Computer. Now you need to OPEN this file (NOT EXTRACT) To do this, you need to use 7-Zip which opens the reg file.

12.a.4. Once you open this file with 7-Zip, you will find a file inside with no extension. Select the file and press F4 on your keyboard. It will open in notepad. Scroll the bottom of the text file.

12.a.5. In the pack that we downloaded from step 4, right click the additional_entries.reg and Open With> Notepad

12.a.6 Copy everything from that file and paste it right below the preview text file, i.e the “OEMSettings” one.

12.a.7 Now save on the desktop to data.bin and close the other text file and head back to step 13 in the main tutorial.

Source : WBI

  • robinabishek

    @dexter…thank you so much for this..!!… I just have one doubt… Does this procedure unlock all capabilities, so that I can use other apps, like the third party lock screen app by WOLF in xda developer??

    • to tell you the truth, i have done this unlock, but not done the hard reset as yet because i need to backup some stuff and its pretty huge
      So ill let you knw as soon as possible if everything like WOLF lockscreen app works or no.
      Im hell excited to try it myself too

      • raghulive

        use Appdata manager

      • poken1151

        How are you backing up your stuff? I really don’t wanna loose all my appdata :/

    • Hey, I managed to complete the unlock on W10 too!
      The lockscren app isnt support as yet but WOLF is working on it
      Also I need Power tools to install other apps like IO Explorer and stuff so ill get that done tonight
      I deployed app manager and it works great 😀
      Sideload is now unlimited

      • raghulive

        it will Work on W10 too untill new OEMSettings files installs ,it will done when W10 goes for OEMs final version ,its better to unlock at WP8.1 it will remail in WP10 too.

        • I did that, but on W10 it wont let some of the interop capabilities apps like wptweaks and IO explorer install

          I managed to deploy app manager and on WP10 without dev unlock

  • Gourav Mopidevi

    how to jailbreak for nokia lumia 1020

  • Dude, what extra features can we get after interloping the phone? Can you give me a brief detail!!???

  • Diego Bautista

    I can patch Apps Store after performing interop-unlock?
    Samsung phones with interop-unlock can do it, A phone Lumia with interop can patch Apps?

    • Reading about it on the italian thread it seems this wont be possible because of some capabilities that are open only on samsung devices
      I want to try some stuff myself too, and ill get back to u with it

      • Diego Bautista

        I understand . What things can we do with a Lumia with interop-unlock?

        • Not limited and not unlimited

          Unlimited sideload
          custom homebrews

          • Diego Bautista

            With interop we can install third-party applications in Lumia phone? For instance, Samsung applications on a Lumia Phone.
            Or you can install apps that only work in high-end phones? For example , Hyperlapse Mobile on phones with 512M of RAM.
            We can do that with interop-unlock ?

          • Hyperlapse can be installed even without interop unlock
            you just need developer unlock for that
            as for samsung applications, those are driver dependent so not really possible

          • Diego Bautista

            My Lumia 520 is unlocked as a developer, but I can not install Hyperlapse. And I have not had time to test what they say here http://wmpoweruser.com/this-registry-hack-will-let-you-install-hyperlapse-mobile-on-your-affordable-windows-phone

          • You can’t install Hyperlapse because you cannot deploy encrypted xap.
            That tutorial should work.

          • Diego Bautista

            Of which tutorial you talk? The tutorial indicated by WMPU or interop-unlock tutorial posted here?

          • The tutorial indicated by WMPU

          • Diego Bautista

            Ok, I’ll see what I can do, thanks.

          • True, fiddler method has been patched.
            This method is correct to install hyperlapse on your device.
            If you have dev unlock, its really quick to the the whole tutorial
            If you have 30 mins free do ping me https://www.facebook.com/dexter467Labs

          • Diego Bautista

            In addition, on the upgrade Cyan, I could install on my Lumia 520 Samsung Apps using the software Fiddler, but now the Fiddler method no longer works in Denim

      • On Lumia phones we haven’t full fs access and fully registry access. Samsung phones use the RPCComponent to do such things.

  • Testeur 1970

    Hello,

    I tried this tutorial on my Lumia 635 but only received a failed message at step 14 !!!
    Maybe a problem with my data.bin

    • Testeur 1970

      Ok I just succeded on a nokia 635, You have to modify the tutorial :

      12.a.7 Now save that file on you desktop as data.bin and goto step 13 in the main tutorial above.

      My mistake was to save the changed oemsettings. into the .7z and renaming the .7z to data.bin.

  • @dexterfernandes:disqus You can add lumia 830 to the working list.
    I suggest you to remind users to backup the original OEMSettings, before replacing it with another

  • soumajit biswas

    Can anyone plz make the data.bin file for my Lumia 525 I’m giving the oemsettings.reg file of my device here
    http://www.4shared.com/archive/Rc_r-dlRba/OEMSettingreg.html
    Download it from here jst rename and delete the .7z from the end….. Hlp plz

    • hey, 525 seems to not be working right now, iv mentioned it in the post. Please wait till we get a working one, and ill update the post with it

  • Wam1q

    Great!

  • poken1151

    So got as far as the Rom Builder and it looks right, but everytime I tap backup it immediately fails (this is on my ATT Lumia 830, which others seem to have gotten working).

    • Have u put the Data folder in the root of the SD card?
      Does it have a “Backup” folder inside it as sub folder?

      • poken1151

        Yup yup, I had figured out that was the issue, it didn’t copuy over correctly and then I fixed it up. Was hoping to be able to investigate sim unlocking through interop unlocking. But seems unlikely.

  • Adeep Lakra

    I have completed the tutorial till step 10. and now as i having lumia 638 i am unable to make backup of OEMSettings.reg. it only says failed.

  • Black Mask

    anyone sucessed with lumia 625?

  • XD

  • Lumia user

    Does this work now on Lumia 525?

  • Lumia user

    Does this work on Lumia 525 now?

  • Hi i Managed to Step 7. but there is not possible to download Extras + Info from the store.
    Is there anybidy who is familiar with this problem. Without this step i can’t go further.

  • Muzammil Shah

    https://uploads.disquscdn.com/images/d659db4ca248e5c80aa65a38ae8b0234b7427bcc7133f0022854f310e4d1e1ff.png Hy admin,I have lumia 535 & I try to interop unlock my windows phone 8.1.I will follow your steps & at step 8 when I download Extras & Info from store.It show the following message.Please help me what am I do & reply me as soon as possible.