Use the command fastboot flash system .img .
| Issue | Cause | Workaround | |-------|-------|-------------| | | Unisoc power HAL blobs missing in Treble GSIs | Force powermodeswitch via Tasker or use Lineage 16.0 only | | Camera upside-down | Sensor orientation mismatch (OV8856) | Flash libcamera.so from stock → custom ROM via ADB | | WiFi MAC changes on reboot | NVRAM corruption after unlocking | Backup /nvdata before unlock; restore with SN Writer tool | | No VoLTE / Widevine L1 | Missing proprietary IMS blobs | Not fixable – stuck at L3 (480p streaming) | | Brightness stuck at 100% | DTBO partition mismatch | Extract dtbo.img from stock and flash via fastboot | alldocube iplay 20 custom rom
The Alldocube iPlay 20 (T1011S), powered by the Unisoc SC9863A Use the command fastboot flash system
Before proceeding, ensure you have the correct hardware and prerequisites: Architecture : The iPlay 20 uses an alldocube iplay 20 custom rom