[Q] Galaxy Note N7000 updated to 4.1.2

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http://forum.xda-developers.com – hi I update my galaxy note n7000 to 4.1.2 , then i experience some bug, i cant use the built in Tethering/Portable Wi-Fi hotspot app and i can't chose either portrait or landscape pictures for my background/lockscreen it is always automatically in portrait style. PS: sorry for bad grammar (HowTos)