How do I Fix a No Service on an Unlocked 3G iPhone?

Written by ashli norton
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How do I Fix a No Service on an Unlocked 3G iPhone?
(Comstock Images/Comstock/Getty Images)

You’ve chosen to unlock your iPhone 3G for whatever reason whether it’s the ability to use any cell phone service provider or to take advantage of the endless customisation options available on an unlocked iPhone 3G. Now there’s only one issue. Since you’ve unlocked your iPhone 3G you have found yourself taunted by the “No Service” error that appears on your iPhone 3G every time you power it on. You only need a few simple steps to remove that annoying “No Service” error message from your iPhone 3G. These will get you closer to enjoying all the freedoms and new features available from your unlocked iPhone 3G.

Skill level:


  1. 1

    Find and tap on the “Settings” icon from your home screen. This will enable you to access and adjust the network settings.

  2. 2

    Tap on “General” to access the complete network settings screen.

  3. 3

    Tap on “Network” to access all of the available network settings that will enable you to remove your “No Service” error message.

  4. 4

    Scroll down the page and find “Enable 3G”.

  5. 5

    Tap the button beside “Enable 3G.” This will change the position of the networking 3G option to “Off”, disabling your iPhone 3G from locating a 3G connection.

  6. 6

    Restart your iPhone by holding down the silver "Sleep/Wake button" button located at the top of your phone and the large "Home" button located near the bottom of your iPhone. Hold these two buttons until the slider to turn the phone off appears and continue holding both buttons.

Tips and warnings

  • Ignore the red button that prompts you to power off your iPhone 3G and continue holding both buttons until the iPhone restarts. After the restart the “No Service” error message should disappear.
  • If this option doesn’t work, your iPhone 3G may require a restart of your network options. To do this simply go to the same “General” screen you working in before and locate “ Reset.“ Once you tap on “Reset,” tap on “Reset Network Settings.” Once you tap on “Reset Network Settings” your iPhone 3G will automatically reboot.
  • There is also one more solution you can try if the other options do not work. Go to “Settings” on your iPhone 3G. Tap on “General.” Tap on “About.” Scroll down, locate, and tap on "Carrier." If your iPhone displays a service provider, e.g., AT&T; 7.0, then there probably is a problem with your iPhone 3G automatically selecting your network. To manually select a network provider on your iPhone 3G, tap on “Settings” from your home screen. Tap on “General.” Tap on “About.” Tap on “Carrier” and your phone will automatically populate a list of service providers in your area to choose from. Select your network from the list. Reboot the phone and your iPhone 3G should set the new network automatically.

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