f240l screen lock remove with out data lose

Platform: LG Qualcomm
Selected port: COM258
Selected model: F240L
Searching Diagnostic Ports…OK
Reading info…
Mode: Normal
Firmware compiled date: Apr 29 2014
Firmware compiled time: 03:00:00
Firmware released date: Jun 20 2015
Firmware released time: 14:28:43
SW Version: M9615A-CEFWMAZM-3.0.113065
IMEI: 355033-05-389905-2
SPC: 000000
This process can take about 15 minutes. Please, wait…
Switching to Serial Port…
Found port COM258
Switching to Download mode…OK
Initializing flash…OK
Reading partition…OK
Resetting Screen Lock…
Resetting screen lock successfully completed!