FTM Mode ZTE Grand S Flex
- Start by turning off the phone.
- After that, hold down Volum Down and Power button together.
- Release held keys when you see "FTM" message on the phone's screen.
- Now you should be in the expected mode.
* If you can't enter FTM mode, turn the phone ON, dial *983*87274# and choose "only Diag".
Help! This doesn't work