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Redmi 5A Bypass UBL | Unofficial Unlock Bootloader For Riva Tested!

Tutorial how to bypass your xiaomi 5a (riva) lock bootloader, the unofficial way. You can root and custom rom your phone with this tools withiut using the official xiaomi unlock Tested on work on all redmi 5a version

Credit goes to xaacnz and saurabh6377

Things You should Know

  • Use at your own risk! I am not responsible for your actions
  • Tested  and work on all Xiaomi Redmi 5A android nougat 7 and android oreo 8 stock ROM
  • You can boot into recovery from adb, adb reboot recovery
  • Everytime you boot into recovery and make a change you must flash Appender.zip otherwise it will brick
  • If you got brick because forgot to flash Appender.zip, simply just repeat the Bypass Unlock Bootloader again
  • You can use this tutorial to bypass UBL your phone although locked bootloader

This tutorial will fix this error when doing unlock bootloader

  • Fix Error 20091
  • Solved Error Code “Couldn’t unlock. Can’t Get Info, connect again”
  • Progress Stop on 50% “Couldn’t verify Device”
  • Current account is not bound to this device
  • Error Code 10008： 参数错误、 请参考API文档
  • Error Code 86023 : hardwareId 异常
  • Error Code 86006 : 参数组合非法
  • Error Code 86012 曼备不存在

Video Tutorial

Files Needed

Bypass Unlock Bootloader

  • Extract MiFlash
  • create a folder called tmp
  • extract bypass file to tmp folder
  • Connect your device in EDL (download mode) using test point
  • rename the custom recovery into recovery.img
  • run this command using power shell/ terminal
  • .\QSaharaServer.exe -p \\.\COM8 -s 13:prog_emmc_firehose_8917_ddr.mbn -b tmp\
  • .\fh_loader.exe --search_path=tmp --port=\\.\COM8 --sendxml=twrp.xml

    Replace COM8 with COM Port of your device, find it using device manager

Replace recovery     

  • "Install" > "Install Image" > select mi8937.img
  • Flash appender-v4-rec.zip
  • When it finish, unplug power source and plug it again
  • press 3 button to boot into custom recovery again 
  • Now it using mi8937 recovery

For Custom ROMs

  • Make sure u’r in nougat stock ROM, use custom recovery for nougat
  • boot to custom recovery
  • Flash Appender-rec.zip
  • Flash custom ROM
  • turn off phone > boot to custom recovery
  • flash gapps & magisk (if needed)
  • flash Appender.zip
  • format data
  • Reboot system

Custom ROMs Tested Using Bypass 

  • Android 9 PixelExperience 
  • Android 10 Havoc-OS-v3.12
  • Android 11 Rova NusantaraOS

For Stock ROM

  • Flash custom recovery (select android 7 or 8)
  • fastboot flash recovery.img
  • fastboot boot recovery.img
  • Flash magisk
  • Flash Appender.zip
  • reboot system