Hi.. I just bought a Samsung s9+ from olx..found out it is a Korean make…It seems to be rooted as well now my concern is that is it rooted to unlock carrier? If I unroot doest it lock the carrier again?

Hi I have Samsung s9 plus Korean handset and it don't show any firmware update here...it stuck in android 9.0 Jan 2019 security update . How can I update it to android 10

Hi my note 8 sensors stopped working after oreo update.. None of the sensors are working except finger print not even screen rotation or adaptive display... Tried both - reset setting and factory reset both but no luck...... What should I do with thi...