Model: LGD855P
Buyer: 6LR
Suffix: 6LR
Area: Mid/South America
Carrier: CLARO
Country: Brazil
Version: D855P30a_00_0118
Download: D855P30a_00_0118.kdz
KDZ URL: http://pkg02.cdn.gdms.lge.com/dn/downloader.dev?fileKey=FWDCCTI972GMA1Y8685CZCL/D855P30a_00_0118.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