Iphone freezes

I have bought my iphone 12 pro max (128 GB) a few month ago and i have this problem with my telegram app that by trying to change my profile picture especially when the picture is in portrait mood or have been taken by my iphone camera, my iphone freezes and it’s screen stucks in that picture and i have to close the app, it also crashes when i edit my close friend list on instagram story, pluse sometimes it has this Trembling screen. I had this problem since ios 14 and with the upgrade to ios 15 nothing changed, i also reset my phone but the problem did not solved. I have not drop or have not done any harm to my iphone, I have the warrenty, just let me know what can i do to solve this prblem. Thank you.