s7 Edge problems.

[tahbu69]

When I brighten my screen it's leaving shadow lines as if I'm dimming it. What could cause that?

[kimo1122]

how can i activate sim change alert

[rayray]

phone keeps hanging. i have to press power + home + volume down to reboot

[arielalegre]

mi s7 está sufriendo fallas con el teclado. cuál sería la solución?

[Noby]

why dosnt samsung have international warranty anymore??