Older firmware may no longer support the latest versions of YouTube, Disney+, or local streaming apps. Updating ensures you can install or update those apps from the Google Play Store.
An OTA update usually keeps your apps and data intact. However, a manual USB update or factory reset will erase everything. Always back up. Tcl 55c2us Firmware Update
To know if you need an update, you first need to check your current software version. Older firmware may no longer support the latest
Step-by-step:
Pro Tip: The "Vxxx" indicates the build number. The higher the number, the newer the firmware. An OTA update usually keeps your apps and data intact
A: OTA updates usually preserve data. Manual USB updates (especially using IMG files) will perform a factory reset. Always back up important logins.