2.- Seleccionamos Transferencia de archivos y elegimos siempre.
3.- Tecleamos *#546368#*257#.
4.- Buscamos la opción svc Menu después port check test y debe quedar Enable.
5.- Elegimos el modelo en Octopus y damos en Unlock y solo esperar.
(OJO Yo hago backup del QCN primero por si aca).
-------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM38
Selected model: M257
Reading info...
Model ID: LG-M257
IMEI: 355575-08-279347-4
Android version: 7.0
Battery level: 54%
Mode: Normal
Firmware compiled date: Dec 21 2017
Firmware compiled time: 22:00:00
Firmware released date: Aug 20 2018
Firmware released time: 16:26:26
SW Version: MPSS.JO.2.0.c1.2-00017-8937_GENNS_PACK-1.106991.1.128672.1
IMEI: 355575-08-xxxx-4
Bluetooth address: B4:F7:A1:42:71:35
Wi-Fi MAC address: B4:F7:A1:F1:F2:60
SPC: 000000
Unlocking...
Reading QCN...
Send SPC...OK
Reading Mobile Property...OK
Reading Feature Mask...OK
Reading Roaming List 0...OK
Reading NV_Numbered Items...OK
Reading NV_Numbered SIM1 Items...OK
Reading NV_Numbered SIM2 Items...OK
Reading NV Items...OK
Reading EFS...OK
Reading Provisioning Items...OK
Reading QCN done!
Backup saved to "M257_35557508XXXX4_04-09-2019_15-59-38.qcn"
Switching to Download mode...OK
Initializing flash...OK
Reading partitions...OK
Detecting writing method...
LAF Error: 80000121.
Trying second method...
Trying third method...OK
Reading security area...OK
Backup saved to "M257_35557508XXXXX4_04-09-2019_16-05-53.SEC"
Writing security area...OK
Switching to Normal mode...
Found model LGM257AT* ÿh at port COM38
Send SPC...OK
Writing QCN...
Writing NV_Numbered Items...OK
Writing NV_Numbered SIM1 Items...OK
Writing NV_Numbered SIM2 Items...OK
Writing QCN done!
Phone successfully unlocked!
Rebooting phone...
Performed by 2.9.6 Software version.
