Cubot King Kong Mini 2

The device generally works fine. Thanks to @highbiker for his tip on rebooting to fastboot, taken from this XDA forum post.

I successfully installed and tested the following ROMs, all of them work fine:

Steps to install

Enable USB debugging and OEM unlocking in developer options and reboot to bootloader
```
adb reboot bootloader
```
Unlock device
```
fastboot flashing unlock
```
Disable Android Verified Boot 2.0

This requires vbmeta.img from the stock ROM (only needed once).
```
fastboot flash --disable-verity --disable-verification vbmeta vbmeta.img
```
Reboot to fastboot
```
fastboot reboot fastboot
```

flash image

fastboot flash system system-td-arm32_binder64-ab-vanilla.img

Component	Comment
Camera	OK
Speaker / Mic	OK
Bluetooth	OK
WiFi	OK
SIM / Mobile Data / Voice	OK
VoLTE	OK
VoWifi	works with Stock-ROM, but not with LOS18.1
Fingerprint	N/A
NFC	N/A
Offline Charging	OK

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