Can someone please tell me why my S21 Ultra G998B 12-256 is not receiving Android 13 one UI5 update?I have visited samsung customer service at Islamabad Pak today and verified my phone as original, not boot rooted and okay from all aspects. They told...

Still not received the android 13 one UI 5 updates on so called S21 Ultra 2021 flagship, just shame on Samsung, I am quitting it after 16 years.    

Can someone tell me why my Samsung S21 Ultra not receiving One UI 5 Android 13 update? Pakistan G998B model.