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[GUIDE] REALME 7 RMX2155 GLOBAL BOOTLOADER UNLOCK

 3 years ago
source link: https://forum.xda-developers.com/t/guide-realme-7-rmx2155-global-bootloader-unlock.4265055/page-14#post-85966691
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Hi, can i unlock bootloader using this guide?

RMX2155_11_C.13
Yes you can. I was also on the same version! Good luck! Your phone will be downgraded to a asian realmeUI 1.0, then your sales region will be changed to a country in Asia (it needs to be the one in the guide) and then you just download an app so you can enter fastboot and then unlock the bootloader.

Everything worked without issues for me. If your phone doesn't show up in fastboot, manually go to device manager and install the android ADB driver (I can help you if you need).
No, I couldn't. I finished tutorial and unlocked bootloader. Then I backup with

PitchBlack Recovery Project​

And install some custom rom,

PixelPlus UI probably​

After I try and restore old one and that's failure happened
Well, it's unlikely to know for certain what is happening with this device and its weird behavior, I did almost exactly the same, restoring by PBR recovery could boot to OS but after that restoring through TWRP finally got my device bricked.

I also lost the ability to flash all the partitions through SP flash tool, and then I recovered it anyway even after that with no luck to successfully pass from bootanimation, maybe you have better luck, read carefully this https://github.com/bkerler/mtkclient, use for first only the command to unlock bootloader (I know, you have it unlocked probably) but this injects a functional/readable preloader, the command is python mtk xflash seccfg unlock it worked for me and worth the try, after that I could use the Download option for all the files, just a tip, in case you didn´t before don´t tick the preloader partition, never had an issue with other devices though but this device (probably the OEM) get bricked doing that.
You managed to boot into system?
Could you make a list how to recovery system?
No, I couldn't, I recovered my device from the worst scenario; "download not completed..." and display showing nothing, I could flash all the partitions through SP Flash tool (A87), because my display lost the sensitivity couldn't update to A91 ozip through the stock recovery, I can't tap on OK to start the update, I flashed PBR and managed to boot to it, I had to flash PixelPlusUI through my PC but still doesn't pass from bootanimation.
I tried the things that solved same situation from my other devices like formatting data, flashing dtbo, vbmeta, sometimes vendor but nothing of that works on this device as of now. You should try flashing the A91 through stock recovery, it seems that OFR can flash it, not sure though, I decrypted the ozip to zip but OFR gives some fail.
Try uninstalling and then reinstalling the LibUSB drivers (all with admin privileges), and then running brom.bat (again, with admin privileges). Might fix it.
I fixed it. I had to download the universal drivers, go to fastboot, go to device manager, click on "Android", then on "Update driver" -> "Chose from my computer" -> "Show all" -> "Google Inc" - "ADB"
There's only one way to change in the settings
You haven't changed the region correctly then. You see, you're currently changing your geolocation for currencies and such. But the in-depth test app will check your sales region.

To change your devices sales region, follow this link. You will need a Windows PC or laptop with WiFi functionality:

report

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