Select Network Update . If a new version is found, follow the on-screen prompts to download and install it.
The safest starting point is the official TCL Support Page , where you can search by model number. firmware tcl u60p6046 link
The TCL U60P6046 is built on the (often identified as MTK5800). Target Firmware ID: V8-T658T01-LF1Vxxx. Select Network Update