How to Change SIM Pin on Galaxy S4
Setting up a lock by SIM card PIN is an old yet efficient way to make your device secure. If you've already known the default SIM Pin on your Galaxy ...
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Noise Reduction improves call quality when there are background noises from your side during calls. To cancel this noise on Android Samsung Galaxy S4, S2,S3 and other Android devices, do as follows:
1.Go to Setting
2.Go to My Device tab
3.Open “Call”
4.Under the “Ringtone and sound settings”, enable “Noise Reduction”
5.It super passes background noise from your side during calls
Read More Galaxy S4 Tips and Tricks