Model: LGD855
Buyer: 6CC
Suffix: 6CC
Area: Mid. East/Africa
Carrier: ASBT_3PIN
Country: United Arab Emirates
Version: D85530e_00_0927
Download: D85530e_00_0927.kdz
KDZ URL: http://pkg02.cdn.gdms.lge.com/dn/downloader.dev?fileKey=FW29HJD752PVAXO9788CYUL/D85530e_00_0927.kdz
Because LG has made some changes in its server settings, You can not use browser to download the firmware from above URl from LG server directly with Browser. Please check this guide on how to solve the blank page issue when trying to download LG firmwares.
To unbrick/Restore Your phone back to Stock, You need to download and install:
1) LG USB Drivers
2) LG Up Software
3) LG UP DLL file for your phone model