If you want, I can:
| Action | Why | |--------|-----| | Check baseband version | Should show M_20.XX (Android 10 modem). If unknown baseband, reflash. | | Test fingerprint | Rollback sometimes breaks fingerprint; re-register fingers. | | Update via OTA | After rollback, immediately check for Android 10 OTAs (security patches up to Dec 2022). | | Disable auto-update | Turn off "Auto-download over Wi-Fi" in Software Update settings to prevent accidental upgrade to Android 11 again. | realme xt rollback package 11 to 10