How to Generate QR Codes on Android
QR Codes are a simple way to share your website, phone number, email and more. To create and generate QR Codes on Android and share them, do as ...
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By default when you touch Google Nexus 4, you get a vibration feedback, You can enable or disable vibration on nexus 4 from Device Sound menu. follow the instruction:
1. Open "Settings" App
2. Tap "Sound"
3. Scroll down to end and make sure "Vibrate on Touch" is disabled