My Note 5 and my wife's M9 won't auto update to daylight savings time. I had to go into settings and manually change my time zone! Why? It was on Mountain Standard and it should be Mountain daylight.
Solved! Go to Correct Answer
12 hours late...at noon...it finally updated to daylight savings time automatically. This was a real disappointment by Verizon. My alarm did not go off on time Sunday morning causing major problems in scheduling! Most disappointed!
Maybe you shouldn't use your phone has your sole alarm clock.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.