My IPhone 6S plus has never gave me problems in the 3 years i have had it. It has a 3 month old battery, and use to last almost 2 days. After updating to IOS 14.2 my battery now last about 2-3 hours gets very warm and I can’t use most of my apps and phone is very laggy. I updated to 14.3 and it hasn’t helped the issue at all. This is ridiculous. Was seriously thinking of upgrading to a newer iPhone, but after this bs I think I’ll just go back to android.