Two days ago, my LG G2 started randomly jumping ahead 4 hours, and then back. I have it set to Use network-provided time and Use network-provided time zone. The Time zone shown is correct (GMT-4:00 Easter Daylight Time). If I un-tick both of those and then re-tick them, the time corrects itself. But then it will return to the 4 hours ahead soon after. It actually jumps back and forth between the two times (I was texting someone last night and the order of the texts is all messed up because the time kept changing on its own). It happens when I'm home. It happens when I'm out. It happens when I'm connected to wi-fi and it happens when I'm using data. I powered the phone off, removed the sim card, waited 5 minutes, put the sim card back in and put the phone in Safe mode, and it happened it safe mode. The only time it doesn't happen is when I am in Airplane Mode, which isn't convenient because then I can't do anything with my phone. I see a prior thread on this subject in April, 2015 that a number of people joined in on saying they were having the same issue. But there was no resolution shown. The original poster said it went away on its own after a day. Also to note, in addition to my Android, we have a Windows phone and two iPhones (a 5S and a 6) and none of them are having this issue. Any ideas? Thanks.