Extract kernel + ramdisk:
If you can tell me the (e.g., v3.0.0, v4.0.0) you are trying to upgrade to, or if you are looking for a regional variant (EEA, LATAM, etc.), I can help you verify the correct file. Also, let me know: Are you trying to unbrick or just update ? Do you have a Windows PC available? This will help me ensure you use the safest method. Software Upgrade - TCL firmware tcl 20 5g link
For most users, official methods are the safest way to obtain and install firmware. Extract kernel + ramdisk: If you can tell me the (e
The TCL 20 5G has multiple variants:
To ensure you have the correct version for your specific carrier or region, refer to the official TCL Product Downloads page for user manuals and quick start guides. This will help me ensure you use the safest method
: If an update fails due to space, go to Settings > Storage to clear cached data or delete unused apps.