How to Enable Power Saver on HTC One
There is a power saver feature on HTC One, which optimizes the CPU usage, display brightness, vibration and data consumption. Enable Power Save on ...
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Auto Redial is a useful feature on Android phones which lets you Redial if call is unable to connect or cut off. To Enable Auto Redial on Galaxy S4 and other Samsung Devices, like Galaxy S2, Galaxy S3, Galaxy Note 2, do as follows:
1.Go to Setting
2.Go to My Device tab
3.Open “Call” and go to “Additional Settings”
4.Mark “Auto Redial” option to auto redial if call is unable to connect or cut off
Note that on some devices, you may need to follow this instruction:
1. Open "Phone" app
2. Tap on "Option Key" (The one left to the Home Button)
3. Open "Call Settings"
4. Scroll down and make sure "Auto Redial" is enabled
Read More Galaxy S4 Tips and Tricks