How do I do it please?

Android 9

Still your phone is original brother. Mobile Manufacturers vary features depending on a particular region as I have said earlier. Different marketers can sell different phones bought from different locations. Same Samsung Galaxy but manufactured in d...

Yea, all of them are original depending with your taste and regional policy. That doesn't negate the absence of fake phones out there. You can authenticate your Samsung phone through authentic Samsung dealers OR using it's IMEI NO. on this website w...

Based on Samsung custom, Galaxy S8 and S8+ will stay on Android Pie. they already received 2 major software updates besides Android Nougat that they came with. See the list of eligible devices based on www.sammobile.com 