How to Disbale In-App Purchase on Android
You can set a PIN to control, limit, disable in-app purchase on Android. It prevents others to buy paid apps, or have in-app purchases, unless ...
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How to Disable 3G on Nexus 4
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
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