How to Reset Your Samsung Galaxy S4

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If your Galaxy S4 is frozen, rebooting it can help restore it to functionality. If you're experiencing frequent crashes and poor performance, resetting the S4 to its factory settings can make the phone act like it was brand new again, but it will wipe all the data off the phone.

Method 1
Method 1 of 3:

My Galaxy S4's Screen is Frozen

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    If your S4 has frozen while you are using it and none of the buttons are responding, you can try to force it to shut down.
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Method 2
Method 2 of 3:

My Frozen Phone is Not Responding to the Power Button

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    If your phone will not turn off, even after holding the Power button, you'll need to remove the battery from the phone.
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Method 3
Method 3 of 3:

My Galaxy S4 Crashes Frequently and is Performing Poorly

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    After being used for a while and loaded with apps and content, your Galaxy S4 will likely start acting sluggish. It may start crashing frequently as well. To fix this, you can perform a Factory Reset , which will reset the phone to its default state and erase everything on it. Factory resetting your phone will erase all of the data on it, so make sure to backup anything you want to save. Click here for tips on various ways to backup your S4's data.
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    Remove and reinsert the battery if the phone is frozen and won't turn off.
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    Once the reset is complete, press Power to restart the device and set it up as if it was new.
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