iPhone is glitching and won't even let me type or sometimes enter the password
Hi I'm overseas currently my phone was fine for the first 3 days now it is glitchimg and won't even let me type or sometimes enter the password. I have an iPhone xs max and it's never had a problem before. It's glitching in and out of apps. If you could please help
[Re-Titled by Moderator]
iPhone XS Max, iOS 12