Online
		les comento que intente reparar imei a este modelo porque se quedo en ceros al liberar y procedi con el modelo a reparar pero me decia no soportado y tambien trate con z3x y lo mismo, lo que hice fue seleccionar el modelo m257 y listo reparo sin problemas 
Checking data...OK
Platform: LG Qualcomm
Selected port: COM328
Selected model: M257
Reading info...
Model ID: LG-M153
IMEI: 000000-00-000000-0
Android version: 6.0.1
Battery level: 100%
SW Version: M15311d
Mode: Normal
Firmware compiled date: Apr 03 2017
Firmware compiled time: 01:00:00
Firmware released date: Dec 5 2017
Firmware released time: 15:04:34
SW Version: MPSS.JO.2.0.c1.2-00026-8909_GEN_PACK-1
Bluetooth address: Unknown
Wi-Fi MAC address: Unknown
SPC: 000000
Fixing IMEI...
New IMEI A: 353243-54-120000-1
Finalizing...
Failed!
Fixing IMEI...
New IMEI: 353243-54-120000-1
Skip Read/Write QCN
Switching to Download mode...OK
Initializing flash...OK
Reading partitions...OK
Detecting writing method...
LAF Error: 80000121.
Trying second method...
Trying third method...Failed!
Reading security area...OK
Backup saved to "M257_000000000000000_15-12-2018_18-25-23.SEC"
Writing security area...OK
Switching to Normal mode...
Found model LGM153AT* ÿh `7 at port COM337
IMEI successfully fixed!
Rebooting phone...
Performed by 2.9.0 Software version.
 Checking data...OK
Platform: LG Qualcomm
Selected port: COM328
Selected model: M257
Reading info...
Model ID: LG-M153
IMEI: 000000-00-000000-0
Android version: 6.0.1
Battery level: 100%
SW Version: M15311d
Mode: Normal
Firmware compiled date: Apr 03 2017
Firmware compiled time: 01:00:00
Firmware released date: Dec 5 2017
Firmware released time: 15:04:34
SW Version: MPSS.JO.2.0.c1.2-00026-8909_GEN_PACK-1
Bluetooth address: Unknown
Wi-Fi MAC address: Unknown
SPC: 000000
Fixing IMEI...
New IMEI A: 353243-54-120000-1
Finalizing...
Failed!
Fixing IMEI...
New IMEI: 353243-54-120000-1
Skip Read/Write QCN
Switching to Download mode...OK
Initializing flash...OK
Reading partitions...OK
Detecting writing method...
LAF Error: 80000121.
Trying second method...
Trying third method...Failed!
Reading security area...OK
Backup saved to "M257_000000000000000_15-12-2018_18-25-23.SEC"
Writing security area...OK
Switching to Normal mode...
Found model LGM153AT* ÿh `7 at port COM337
IMEI successfully fixed!
Rebooting phone...
Performed by 2.9.0 Software version.