How to Block/Unblock a Contact/Number on HTC 10
When you block a contact/number on HTC 10 you'll no longer receive any call or message for that blocked person. To block/unblock a contact/number on ...
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The default camera application of Samsung Galaxy S3, lets you take Black & White pictures with your phone. To take B&W photos in real time with your phone's camera, do as follows:
1. Open Camera application
2. Tap the Gear icon on the top panel to enter the camera settings
3. Select Effects
4. Scroll to find Black and White effect
5. Double tap it to activate the effect