One ui 4

[Rahul2308]

After updation od one UI 4

System runs slow

Touch issue

Battery drains faster

Heat issue while Charging 

Apps open slower than before

Heat issue while using mobile

Finger print scanner works hard

Fix the above mentioned

[ajinkya_mishra]

It's just upgraded now but wait for next bug fixed software update...

[MrAKS]

true

[ajinkya_mishra]

New upgrade always have bugs even with every phone next update is of bug fixed so every phone not only samsung...

[HECKER_Sr]

Check this video out, explained everything about your issue: https://youtu.be/H2bwN_35Fp0

[HECKER_Sr]

No I am not promoting this channel or video. Do as this video say and your issue will get fixed 🥰