Si, ho creato il file fiz.zip (in C:\Users\Roby\Desktop\G700\fix) contenente:
C:\Users\Roby\Desktop\G700\fix\META-INF
C:\Users\Roby\Desktop\G700\fix\system
C:\Users\Roby\Desktop\G700\fix\META-INF\com
C:\Users\Roby\Desktop\G700\fix\META-INF\CERT.RSA
C:\Users\Roby\Desktop\G700\fix\META-INF\CERT.SF
C:\Users\Roby\Desktop\G700\fix\META-INF\MANIFEST.MF
C:\Users\Roby\Desktop\G700\fix\META-INF\com\google
C:\Users\Roby\Desktop\G700\fix\META-INF\com\google\android
C:\Users\Roby\Desktop\G700\fix\META-INF\com\google\android\update-binary
C:\Users\Roby\Desktop\G700\fix\META-INF\com\google\android\updater-script
C:\Users\Roby\Desktop\G700\fix\system\etc
C:\Users\Roby\Desktop\G700\fix\system\etc\firmware
C:\Users\Roby\Desktop\G700\fix\system\etc\mddb
C:\Users\Roby\Desktop\G700\fix\system\etc\firmware \modem_1_3g_n.img
C:\Users\Roby\Desktop\G700\fix\system\etc\mddb\BPL GUInfoCustomAppSrcP_MT6589_S00_MOLY_WR8_W1248_MD_W G_MP_V5_F1_P54
Forse dovevo farlo prima del primo avvio?