android 9 pie version is very bad process update a new android version

[Vikashsahu5jsr]

android 9 pie version is very bad process update a new android version 

[Rishi215]

what happened?? can you tell me

[Vikashsahu5jsr]

android version 9 pie is very bad and slow working to phone

[Vikashsahu5jsr]

calling system r very slow and bad process

[Rishi215]

reset your smartphone first of all create a backup, then reset your smartphone
please copy your important data somewhere else or backup you data then after reset your smartphone

[Vikashsahu5jsr]

already I'm checked all system

[Rishi215]

how much space have you left in disk