My s pen doesn't work on two zones on the screen

[DaliaElrayes]

After the android 11 update my s pen hasn't worked well .

It doesn't work on two zones on the screen. 

My phone is note 20 ultra 

[wolf3079]

you can try to make "reset" or visit nearest customer service

[Alexpasha]

hello please take your phone to the dealer office it's defective screen and your phone still u under the 1 year warranty...