Activate and Use Air Gestures on Samsung Galaxy Note 3

Why does my S3 prompt me to unlock the device?

Lately while listening to music, podcast, etc. the device will stop whatever I'm listening to and tells me to unlock the device. Why?

This happens when you have set your device to auto-lock in a short period of time. This is a security feature which locks your phone the moment you leave it on without touching it for a while. It is good because there is little chance for other people to access your device without authority. However, this can be rather bothersome as you may have to log-in several times each time.

To change this, go to your settings and then security. In there, you can change the amount of time before your device auto-locks.

Sir, my Samsung Galaxy tab 3 has a problem: 1. Swipe to screen (unlock) 2. It directly comes with a white page and screen have play store icon and 1 app account?

Sir, what should I do in this situation. I have tried: Nothing. I think it was caused by: Don't know

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