Bought note10+ from olx and entered the sim it says to enter mck i've tried searching for it no help.The previous owner says to patch it and it will be gone but a repairguy suggests not to do or else it will get worse. I've contacted a guy and it say...

S21 ultra gives very less signals when connected to wifi. I have done every method to solve it:Restart my phoneRestart my routerTurning on phone in safe modeForgetting passwords and trying againReset my phoneJust to give an idea if i come close to ro...