LG Viper firmware update LS840ZVI_02

Sprint and LG has release the “LS840ZVI” (revision 02) firmware update on 11/1/2012. If you fail to update your device via OTA, You can update your LG Viper firmware to LS840ZVI by LG mobile Support Tools now. 1)Please make sure you have backup your device first. 2)Go to Settings > Applications > Development. Select USB … Read more