Tools: Infinity Box/Dongle
Boot Key: Volume Up and Down
Infinity-Box Chinese Miracle II : SPD/USC Module
load IDBase v10107 Ok!
Operation : Format FS / Reset Settings [ v2.02 ]
Mode : Reset FRP
1. Power off device, wait 10-15 seconds
2. Press and hold BooKey ( 1: BOTH VOL, 2 : VOL+, 3 : VOL- )
3. Insert cable in the device!
Wait for the device ...
Device Connected!
ERROR: Protocol HandShake failed!
Error: Fail to init protocol!
Remove battery, cable. Check cable and connection. Repeat operation!
Reconnect Power/Cable!
Operation : Format FS / Reset Settings [ v2.02 ]
Mode: Reset FRP
1. Power off device, wait 10-15 seconds
2. Press and hold BooKey ( 1: BOTH VOL, 2 : VOL+, 3 : VOL- )
3. Insert cable in the device!
Wait for the device ...
Device Connected!
BootVersion : SPRD3
Boot : INF : 0_SC7731E_BASE : SC7731E_eMMC_1GB_RS
Sending Init Boot ...
Boot sent!
Kick FDL ...
BootVersion : Spreadtrum Boot Block version 1.1
Protocol setup ...
Port speed : 921600
Sending Flash Boot ...
Boot sent!
Kick FLASH FDL ...
FDL : Control transfered!
Boot Done!
Wipe Ok : FRP
Reconnect Power/Cable!
Done!
Elapsed: 00:00:34
Disclaimer: Flashing firmware is not without any risks.
If you don't do it properly, you might render your phone inoperable.
If you decide to proceed we won't be liable for whatever might get wrong "neither we could provide technical support" just leave a comment or contact us on our google mail.