Yes – but . However, downgrading without wiping userdata causes major crashes. Always perform a clean flash (wipe all) when downgrading. Also, you may lose baseband functionality if the newer modem firmware is incompatible.
Flashing firmware carries inherent risks. Ensure you are flashing the correct file for the G8141 model. Flashing this on a dual-SIM model (G8142) or a different region could result in a hard brick. Proceed at your own risk. Yes – but
🔐 – You can check file integrity by comparing MD5 with others on XDA (but Sony doesn’t publish official checksums). If XperiFirm downloaded without errors → file is authentic. Yes – but . However