Cubot X19

Havoc Os android 10 with gapps partition A/B.(https://sourceforge.net/projects/havoc-os/files/arm64-ab/) use the option with pico gapps included- works fine.

All features work with minor bugs(volte and fingerprint dont work.) After installation, you need to edit your apn settings if mobile data does not work, but otherwise, all features are working exclusive of VoLte and Fingerprint.

Steps to install

• Enable debugging and enable oem unlock under developer options.

• $ adb reboot bootloader

• flash this image with the fastboot utility:

  $ fastboot devices
  $ fastboot flashing unlock
  press volume up to allow unlocking
  $ fastboot flash system system-arm64-ab.img
  $ fastboot reboot
  
  

  Flash userdata from the original rom to format the data partition using Sp Flash tool

  As an alternative you can flash via TWRP as "System Image" and format data. This will work if your twrp works but you need an external card to store the image files.

Hardware support

Component	Comment
Camera	OK
Speaker / Mic	OK
Bluetooth	OK
WiFi	OK
SIM / Mobile Data / Voice	OK
VoLTE	Bugs
Fingerprint	Bugs
NFC	N/A
Offline Charging	OK
Other feature	OK

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Tested By: vincentchege12 -CUBOT_X19_9021C_1_V12_20191219(Global),Firmware version-Havoc OS 3.5 gsi - 16/05/2020 - Template created by @zguithues and @hackintosh5