Firmware Tcl 50 5g [verified] -

: Firmware can be updated wirelessly through Firmware-Over-The-Air (FOTA) by navigating to Settings > System > System Update .

| Problem | Likely Cause | Fix | |---------|--------------|-----| | 5G icon shows but no data | APN firmware mismatch | Reset APN to default (Settings > Mobile Network > Access Point Names > Reset) | | Random reboots at night | Corrupted cache partition | Boot into recovery (Power + Vol Up) → Wipe cache | | Slow charging after update | Battery firmware recalibration | Fully drain to 0%, then charge uninterrupted to 100% | | Bluetooth cuts out | Firmware power-saving for Bluetooth | Disable “Bluetooth scanning” in Location settings | firmware tcl 50 5g