Alps 8227l-demo Firmware Update =link= -

Recommended for production: signed OTA with A/B update support plus local DFU for recovery.

The system should automatically detect the update. A pop-up will ask, "Start Update?" Select . Step 4: The Flash Process alps 8227l-demo firmware update

The Russian forum 4PDA has an exhaustive thread on the "8227L" unit. You will need a translator, but it hosts the most recent modded firmwares (e.g., "Jamal's ROM" or "Mario Dantas Mod"). XDA also has threads under "Android Head Units." Recommended for production: signed OTA with A/B update