WHAT IS THIS?

[________________]

[NARP1]

Have you rooted your tablet?

[Ali_Elwasief]

I think your device is rooted

[Ali_Elwasief]

Yeah

[mZoOnY]

If not rooted try to delete system cache first

Then connect your phone to your pc and use smart switch to check for updates

Nothing yet !

Backup everything and do a full wipe

[Samsung_specialist]

Hello,

Kindly note that you are using an unauthorized operating system on your phone, therefore, kindly visit one of our Authorized service center, follow the link below:

https://www.samsung.com/ae/support/service-center/