How do I fix no service on my iPhone 4?

My iPhone Says No Service. Here’s The Real Fix!

  1. Check In With Your Carrier About Your Account.
  2. Update Your iPhone’s Software and Carrier Settings.
  3. Reset Network Settings.
  4. Check Cellular Settings On Your iPhone.
  5. Take Out Your SIM Card.
  6. Check For Water Damage.
  7. Back Up And Restore Your iPhone, But Read The Warning First!

Can iPhone 4 have service?

Answer: A: Answer: A: With an iPhone 4, you will not be able to get it unlocked to use on any other network. The iPhone 4 for Verizon is a CDMA only device and will not work with another network.

How can I activate my iPhone 4s?

Open the iTunes app on the computer. Connect the iPhone to the computer via USB cable. Allow time for iTunes to detect and activate your iPhone; successful activation indicated when iTunes shows ‘Set up as New’ or ‘Restore from Backup’ screen. Follow onscreen prompts to complete setup.

What do you do if your SIM shows no service?

How to fix no service or signal on a Samsung or Android phone

  1. Restart your phone.
  2. Turn Airplane Mode on and off.
  3. Manually select your network providers.
  4. Double check your SIM card.
  5. Restore your phone to its factory settings.

Why is my O2 iPhone saying no service?

If there’s no known issue, try manually resetting your device by: Turning your phone off and on. Making sure mobile data is turned on in your settings. Choosing the O2 network manually in your settings.

How do I activate network on iPhone 4s?

On-Device Activation (via a Wi-Fi / Cellular Network Connection)

  1. Press the.
  2. Slide the unlock switch right to unlock the device.
  3. Tap the language then tap the country or region.
  4. Tap the Wi-Fi network, enter the Wi-Fi password then tap.
  5. Tap a location services option:
  6. Enter a passcode then, if prompted, tap.

How do I get network on my iPhone 4?

Set up Internet – Apple iPhone 4

  1. Select Settings.
  2. Select Cellular.
  3. Scroll to and select Cellular Data Network.
  4. Scroll to and select Reset Settings. Your phone will reset to default Internet and MMS settings.
  5. Select Settings.
  6. Select Cellular.
  7. Scroll to and select Cellular Data Network.
  8. Enter Internet information.

How do I activate O2 SIM card?

You can activate your sim in five simple steps:

  1. Pop out the right size sim for your device, put it in and switch it on.
  2. Visit the Pay As You Go mobile broadband page.
  3. Enter your mobile broadband number and click sign in.
  4. Follow the instructions to register and activate your data.
  5. You’re ready to go.

Why is new SIM saying no service?

Usually, if you get a no-service warning, it’s a sign your phone isn’t picking up a signal from a cellphone tower. If you get some type of “iPhone network not available” message after inserting a new SIM card, pop the card out and insert it again.

Why is my phone saying it is not activated?

You may receive this error if your SIM card has gone bad (or another one has been activated which is a sign of fraudulent activity), you do not have a SIM card in your phone, your phone is not compatible with the SIM card that’s in it (i.e. the phone isn’t unlocked), or some other major issue.

Why is my iPhone not connecting to mobile network?

Reset your Network Settings Go to Settings > General > Transfer or Reset [Device] > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you’ve used before.

Do you need to activate O2 SIM card?

If you’re new to O2, your sim is ready to use straightaway. Just pop it in your device and you’re good to go. If you’re new to O2 and you have a Pay As You Go sim, you’ll need to top up to activate it.

How do I activate o2 SIM card?

How do I activate my SIM card on iPhone 4?

  1. Insert a pin into the hole on the right side of the iPhone.
  2. Insert your micro SIM card into the SIM tray.
  3. Connect the iPhone to your computer using the data cable.
  4. Open iTunes.
  5. Click the “Continue” button in the iTunes window.
  6. Click the “Activate” button to complete the iPhone 4 activation process.