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Probado con NCK SPD, apagar el telef. seleccionar el modelo ZTE A7 2019 en la pestaña FLASH MODE UTILS, seleccionar reparar imei, darle a Do job, conectar el telefono apagado y precionando los botones de SUBIR y BAJAR volumenes, dejar que la herramienta haga todo su trabajo, hara 2 procesos, cuando termine el segundo proceso ya lo pueden desconectar. NO CONSUME CREDITOS
TESTEADO EN 3 TELEFONOS, cabe recalcar que 2 de ellos me dejaron hacerlo sin mantener los botones precionados, pero el ultimo no pasaba si soltaba los botones, prueben.
LOG
Phone Storage: EMMC
EXE: NckDongle Spreadtrum Module 1.8
SELECTED: A7 2019
ACTION: Repair IMEI
Start Detect phone.
Phone must be off with battery inside.
Long press "VOL -"+ "VOL +" key while inserting usb cable.
Keep key untill boot complete.
Detected: SPRD U2S Diag (COM118)
Sending loader, keep boot key untill loader start.
Loader OK: Spreadtrum Boot Block version 1.1
Changing bautrate OK.
Send Second Loader.
New flash metod detected.
UID: T48T74_14_0_19
[readed: 8 expected: 8200 ]
Read Error: 7E00840000FF7B7E0037
MatchesMask [l_fixnv1] [l_fixnv1] Size to download: 2 MB
Reading l_fixnv1
IMEI 1: 86780XXXXX2270
IMEI 2: 8674XXXXXX6620
IMEI 3: 8674XXXXXX6638
IMEI 4: 8674XXXXXX6646
Simlock Type: 0
Backup saved to: C:\Users\Luis Gustavo\Documents\spreadtrum_module\flashmode_nvram_backup\_nvram_backup_1.tar
Testing key 1
Testing key 2
Testing key 3
Phone security supported by exe
Repair protected imei.
IMEI 1 to repair: 86780XXXXX192
Start write unlock, wait...
[can take 0-10 sec]Wait untill phone restart.
TESTEADO EN 3 TELEFONOS, cabe recalcar que 2 de ellos me dejaron hacerlo sin mantener los botones precionados, pero el ultimo no pasaba si soltaba los botones, prueben.
LOG
Phone Storage: EMMC
EXE: NckDongle Spreadtrum Module 1.8
SELECTED: A7 2019
ACTION: Repair IMEI
Start Detect phone.
Phone must be off with battery inside.
Long press "VOL -"+ "VOL +" key while inserting usb cable.
Keep key untill boot complete.
Detected: SPRD U2S Diag (COM118)
Sending loader, keep boot key untill loader start.
Loader OK: Spreadtrum Boot Block version 1.1
Changing bautrate OK.
Send Second Loader.
New flash metod detected.
UID: T48T74_14_0_19
[readed: 8 expected: 8200 ]
Read Error: 7E00840000FF7B7E0037
MatchesMask [l_fixnv1] [l_fixnv1] Size to download: 2 MB
Reading l_fixnv1
IMEI 1: 86780XXXXX2270
IMEI 2: 8674XXXXXX6620
IMEI 3: 8674XXXXXX6638
IMEI 4: 8674XXXXXX6646
Simlock Type: 0
Backup saved to: C:\Users\Luis Gustavo\Documents\spreadtrum_module\flashmode_nvram_backup\_nvram_backup_1.tar
Testing key 1
Testing key 2
Testing key 3
Phone security supported by exe
Repair protected imei.
IMEI 1 to repair: 86780XXXXX192
Start write unlock, wait...
[can take 0-10 sec]Wait untill phone restart.
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