Tried everything but still no use but other m16 5g is. Working like a charm why only my phone lags

But it got one ui 3.1

Dear Samsung Member,I think your headphone jack is problem it usually happens when your phone gets wet or dusty , Please visit your nearest service center immediately ,this issue comes under 1 year warranty it cost you Rs.0 only Please visit to y...

Dear Samsung Member,We are with you, can please elaborate the problem which you are facing with device ,Whether the device is rebooting in standby mode or while using your device , please elaborate your problem us it will help us .