This is the most common method. The "Firmware-Over-The-Air" update runs in the background and can be accessed via: System Update Alternatively, it may be under About Phone System Update TCL Mobile Upgrade Tool:

Firmware Tcl 40 Nxtpaper [patched]

This is the most common method. The "Firmware-Over-The-Air" update runs in the background and can be accessed via: System Update Alternatively, it may be under About Phone System Update TCL Mobile Upgrade Tool: