Since the device supports Project Treble, ARM64 GSI images (Android 10/11/12) can be flashed to update the OS beyond the official Android 9/10 limit. Key Considerations
If the device bootloops, perform a factory reset/wipe data from stock recovery. To make sure I give you the best guide, I need to know: What is your specific TA-model number (e.g., TA-1049)? ROM Nokia 3.1 [ES2] (TA-1049-1057-1063-1070-107...
Get the appropriate stock firmware for your specific TA-variant (ES2). Since the device supports Project Treble, ARM64 GSI