Thanks for the suggestions. I have done all of them, problem still persist. I am inclined to do a factory reset again, hopefully that would do the trick. It was a chore, I did one right after my TMobile LL update...had to save and back up everything, took over an hour to reset up everything. I will try again, will keep you posted.
Update: Did another factory reset, no luck. "Searching for GPS" takes too long when opening the Google Map app, so I am convinced it's the only culprit since my LL update. I guess my last resort is to call TMobile/Samsung. My phone has been working flawlessly until now.
Update 2: Spoke to TMobile, did all troubleshooting for 1 hr, no luck. They offered warranty exchange, but it's in backorder now, bummer. I may opt for the S6 Edge now, with out of pocket expense, so frustrating.