How to Add Camera Shortcut to Lock Screen on Galaxy S5
Adding camera shortcut to lock screen lets you open the camera app and take instant shots without unlocking your device. On Samsung Galaxy S5 do as ...
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This Android tip shows you how to disable 3G on Nexus 4 and use only 2G networks as your mobile data network. It is very useful to save battery, 3G coverage is not supported. follow the instruction:
1. Open "Settings" App
2. Tap "More" to see other settings for Wireless & Networks
3. Tap "Mobile Networks"
4. Mark "Use only 2G networks" to both disable 3G and save some battery