You likely flashed the wrong resolution or preloader. You must flash the correct firmware again using a special "bricked unit" method (often found on specialized forums like XDA Developers).
The PowerVR SGX544 GPU has no official Android 9+ drivers from Imagination Technologies. Any “Android 11” on this SoC is a cosmetic overlay. 8227l firmware android 11
8227L Android 11 Firmware Guide: Upgrade Your Car Head Unit Safely You likely flashed the wrong resolution or preloader
| Feature | Fake Android 11 | Real Android 11 (Go) | |--------|----------------|----------------------| | API level | 27 (Android 8.1) | 30 | | Performance | Same as before | Slightly optimized | | Notification history | No | Yes | | One-time permissions | No | Limited | | Build fingerprint | Edited | Genuine | Any “Android 11” on this SoC is a cosmetic overlay
: If the screen stays black for a long time after an update, wait at least 10 minutes. The system may be initializing in the background. Connection Issues