I had the same issue, and a coworker who got his phone around the same time I did (November 2015) did, too. I'm still waiting to get mine back from LG; that was the only option the AT&T Store clerk gave me since it is still under warranty.
Spent 7 hours and nothing... Tried the freezer too lol... Got it to reset once but it started to loop again then nothing... Even when I plug in being off, the battery symbol freezes... It's bricked... And tmobile is pissing me off, been waiting on the replacement since SaturdayHow were you able to backup to your pc? I have mine in the freezer, but I still can't get it to boot up. The cold is helping I guess. Before, when I tried to turn it on, I just got the LG logo forever. Now, I briefly get a battery showing I have 69%, then the LG logo, then the AT&T logo.
Then it gave me a little white box that said optimizing apps. Now it has a black screen with a white box that says "Updating Android. Starting apps". It has been on that for quite a while.
How do you find the manufacture date?
How do you find the manufacture date?