===== xiaomi 9 =====

  * miflash to flash international rom
  * unlock bootloader again
  * flash twrp
  * flash xiaomi.eu and magisk

===== install xiaomi.eu rom =====

  - Unlock bootloader via http://en.miui.com/unlock/
    * hold ''volume down'' and ''power'' button
    * use the unlock tool to unlock
  - Install twrp in fastboot mode
    * ''fastboot flash recovery rom\twrp-3.3.0-1-mi6.img''
    * ''fastboot boot rom\twrp-3.3.0-1-mi6.img''
  - in twrp mode, push rom file to android
    * Go to ''Wipe'' > ''Advanced Wipe'' and wipe ''Cache'', ''Dalvik Cache'' and ''Data''.
    * ''adb push rom\xiaomi.eu_multi_MI6_V10.3.1.0.OCACNXM_v10-8.0.zip /tmp/''
    * ''adb push rom\Magisk-v19.0.zip /tmp/''
  - use the install button in twrp
  - Wipe Cacha / Davlik and reboot system

===== google pay =====
  * delete google pay data
  * remove ''/data/data/com.google.android.gms'' in twrp
  * re add card

https://xiaomi.eu/community/threads/google-pay.49986/


ref: https://www.reddit.com/r/Xiaomi/wiki/twrp#wiki_instructions_for_clean_installing_in_twrp