My At&t LG expression will not charge while turned on on My when its off. The notification "android system" " powersupply"
The notification "android system" " power supply" " tap to change USB options to charge connected device" STAYS on my phone. Then I tap it it goes to a screen where it says "use usb for charging only" under that message it stay "just once" which is already tapped " and "always" which is dimmed out and im unable to select that option . using the cable and block that came with my phone. Also have tried my husbands cable and block from his new att pheonix 4... Nothing changes. Please Help!!# thank u