Reputable firmware repositories like HardReset.info often host databases of official flash files.
Yes, but only by using SP Flash Tool with Android 10 firmware. It requires a full wipe.
D. Custom ROMs (e.g., LineageOS/AOSP ports)
flowchart TD A[Start] --> BDo you want<br>Android 11? B -- Yes --> CAre you an<br>advanced user? C -- Yes --> D[Consider unofficial<br>Android 11 GSI<br>method (high risk)] C -- No --> E[Stick with official<br>Android 10 updates] B -- No --> E D --> F[Unlock bootloader<br>and install custom ROM] E --> G[Check for official updates<br>via Settings > System > Update] F --> H[Achieve Android 11<br>with potential bugs] G --> I[Receive security patches<br>and performance fixes]