MediaTek MT6762 (Helio P22) — Note: While some sources mention Snapdragon for the 20 SE, the 20B typically uses MediaTek.
Manual flashing (reinstalling the full firmware) becomes necessary when: Firmware TCL 20B
If you'd like to proceed with a manual update, I can help you find: MediaTek MT6762 (Helio P22) — Note: While some