Here’s a complete, informative text about the firmware for the TCL 50 5G (model often referred to as TCL 50 5G or similar variants like T780O, T781, etc.), explaining what it is, how to update it, and how to get better performance or fix issues.
Then install GCam (MGC_9.2.113) – the TCL 50 5G uses a Samsung JN1 sensor, and the config from Moto G54 works perfectly. Download the XML config and load it. HDR+ fixes the crushed shadows. firmware tcl 50 5g better
One of the most common complaints about budget 5G phones is that 5G drains the battery. A better firmware tweaks the "C-DRX" (Connected Discontinuous Reception) cycles. This allows the phone to sleep its modem between data bursts. Users who have flashed optimized firmware see an increase of 1.5 to 2 hours of screen-on time. Here’s a complete, informative text about the firmware
Verdict
*#*#4636#*#* → Phone Info → Set preferred network to NR/LTE (PRL) instead of NR only.