How to Restart the iPhone 4S

Step-by-Step Guide

1. 1

   Step 1: Press and hold down the Power key located at the top right of your iPhone 4S.

   A red slider button will display on the screen of your device.
2. 2

   Step 2: Slide the red arrow to the right to power off your device.

   ,, The iPhone will begin to restart. , Your iPhone may take up to several seconds to fully reboot. ,, For example, if you were having problems with making and receiving calls, try to make an outgoing call.
   
   If your iPhone 4S is continuing to malfunction, attempt to reset your iPhone using Method 2 of this article.
3. 3

   Step 3: Wait a few seconds for the device to completely power off.

4. 4

   Step 4: Press and hold down the Power key once again.

5. 5

   Step 5: Release the Power key when the Apple logo displays on-screen.

6. 6

   Step 6: Slide the grey arrow to the right to unlock your device.

7. 7

   Step 7: Duplicate the action you were experiencing problems with to verify that restarting your device corrected the issue.

Detailed Guide

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