I am having a major problem with my Galaxy S7 running the latest software update.All of a sudden all the contacts in my Google account got wiped out for no reason, when they synced with my phone. Luckily I had a lot of the contacts saved in SIM cards...

Hello allI just bought a Galaxy S7 and the device works great.However, I use an app called "Screen Off and Lock" to lock the device, as I don't want to use the power button everytime.when I use this app to lock the screen, I cannot use the fingerprin...