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tener el modulo nck spreadtrum, luego quitar bateria y presionar vol +
EXE: NckDongle Spreadtrum Module 0.5
SELECTED: SC7720EA_EMMC 5.x
ACTION: Reset FRP
Start Detect phone.
Phone must be off with battery inside.
Long press "VOL -" key while inserting usb cable.
For some phones need to
Long press "VOL -"+ "VOL +" key while inserting usb cable.
Keep key untill boot complete.
Detected: SPRD U2S Diag (COM334)
BOOT: SPRD3
Sending loader, keep boot key untill loader start.
Loader OK: Spreadtrum Boot Block version 1.1
Changing bautrate OK.
Send Second Loader.
Reading extended info, wait...
FileSystem: EMMC
Manufacturer: Bmobile
Hardware: SP7731C_V1.0.0
Platform: sc8830
Board: AX821
Build Id: MRA58K
Model: AX821
Android Release: 6.0
Android Version: Bmobile_AX821_TEM_SV_V002
IMEI 1...
EXE: NckDongle Spreadtrum Module 0.5
SELECTED: SC7720EA_EMMC 5.x
ACTION: Reset FRP
Start Detect phone.
Phone must be off with battery inside.
Long press "VOL -" key while inserting usb cable.
For some phones need to
Long press "VOL -"+ "VOL +" key while inserting usb cable.
Keep key untill boot complete.
Detected: SPRD U2S Diag (COM334)
BOOT: SPRD3
Sending loader, keep boot key untill loader start.
Loader OK: Spreadtrum Boot Block version 1.1
Changing bautrate OK.
Send Second Loader.
Reading extended info, wait...
FileSystem: EMMC
Manufacturer: Bmobile
Hardware: SP7731C_V1.0.0
Platform: sc8830
Board: AX821
Build Id: MRA58K
Model: AX821
Android Release: 6.0
Android Version: Bmobile_AX821_TEM_SV_V002
IMEI 1...
