How to Use Fingerprint for Google Play Purchases
Android 6.0 Marshmallow supports the fingerprint reader by default, and you can easily authenticate and authorize purchases using your finger. To use ...
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Android Beam lets you beam app content, browser pages, YouTube videos, people contacts to other NFC capable devices. Disable / enable Android Beam on Nexus4 by doing as follows:
1. Open "Settings" App
2. Tap "More" in "Wireless & Networks" settings
3. Tap "Android Beam"
4. Turn off or Turn on Android Beam by sliding the toggle button