IOS 16 issue on iPhone X

After updating IOS 16 on iPhone X ,the phone is not working proper not scrolling ,touch is not working smooth too much lagging ,,, APPLE should have to solve this problems on iPhone x , the support team is also not cooperating , they do diagnostic method to my phone and asked me to change my phone battery i have changed but the issue is same , too much tired from this version , this was my big mistake to update the IOS 16