1) Tap on the grey bar at the top middle of the screen
2) Tap Settings
3) Tap Advanced Settings
4) Enter Master Code (Default 1 2 3 4)
5) Tap Upgrade Software
6) Tap The network you would like to update through
1) Tap on the grey bar at the top middle of the screen
2) Tap Settings
3) Tap Advanced Settings
4) Enter Master Code (Default 1 2 3 4)
5) Tap Upgrade Software
6) Tap The network you would like to update through