Cable name: Fly-B700
keyboard top
18.........1
1: VBat
2: VBat
3: +Charge
4: +Charge
5: USB
6: USB
8: phone Tx (RJ45 pin-3) CPU2 (MT6205)
9: phone Rx (RJ45 pin-2) CPU2 (MT6205)
10 phone Rx (RJ45 pin-2) CPU1 (MT6227)
14: Gnd
15: phone Tx (RJ45 pin-3) CPU1 (MT6227)
16: Gnd
17: USB power
18: USB power

Firmware version: *#18375#
Service menu: *#13646633#