Could Not Activate Mobile Data Network PDP Authentication Failure

Could Not Activate Mobile Data Network PDP Authentication Failure

Solution 1

If your iPhone or iPad is saying PDP Authentication Failure when you try to access the Internet please follow the steps below.

  • Put your device into airplane mode for a few seconds.
  • Turn off the phone and reboot.
  • If you are still getting the PDP Authentication Failure Message, go to Settings > General > Reset > Reset Network Settings. This will reset the networks setting on the iPhone or iPad.
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PDP (Packet Data Protocol) is the networking used by your device to connect it to thru the carriers to the public internet.  Any error in authentication means your device has not received the the appropriate settings needed to automatically connect.   Assuming no issues with the validity of the carrier service, any PDP Authentication Error could indicate corrupted, mismatched or missing networking information.

Doing a fresh network reset, on a strong data connection should allow the network settings to be updated properly.

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Solution 2

I am experiencing ‘PDP Authentication Failure’

PDP Authentication Failure can be related to your settings or eSIM data/validity. Please check if you have met the following items:

  • The APN is set according to the information from your eSIM installation page if required (all lower case and in one word)
  • You have remaining data on your eSIM: if you try to connect while there is no remaining data, you may encounter this error.
  • You are connected to the supported network as advised on your eSIM installation page

In order to find the eSIM installation page and all the details please go to My eSIMs> Details> Install eSIM and scroll down the page. In this case, please reset your network settings.

If the above steps do not help, please try resetting your network settings*:

  1. Go to Settings on your device
  2. Go to General
  3. Go to Reset
  4. Go to Reset Network Settings
  5. Restart your device

*Resetting network settings reset existing WiFi networks and passwords, cellular settings, and VPN and APN settings.

If you see No Service or Searching on your iPhone or iPad

If you see No Service or Searching on your iPhone or iPad (Wi-Fi + Cellular), or can’t connect to a mobile network or mobile data, follow these steps:

Check your coverage area

Make sure you’re in an area with mobile network coverage. Then follow these steps:

  • To turn mobile data on or off, go to Settings and then tap Mobile Data. If you’re using your iPad, you may see Settings > Mobile Data.
  • If you’re travelling internationally, make sure your device has been set up for data roaming. Go to Settings > Mobile Data > Mobile Data Options > Data Roaming.

Restart your iPhone or iPad

Restart your device.

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Check for a Mobile Data Settings update

To manually check for and install a network provider settings update:

  1. Make sure your device is connected to a Wi-Fi or mobile network.
  2. Tap Settings > General > About. If an update is available, you’ll see an option to update your network provider settings.
  3. To see the version of network provider settings installed on your device, tap Settings > General > About and look next to Network provider.

If you insert a new SIM card into your iPhone or iPad, you will need to download the network provider settings for your new network provider.

Take out the SIM card

After removing the SIM card, put it back in. You may need to contact your network provider:

  • If the SIM card is damaged, or doesn’t fit in the SIM tray, ask your network provider for a new SIM card.
  • If you transferred your SIM card from another device, ask your network provider whether your SIM card works with your iPhone or iPad.

Reset your Network Settings.

Go to Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, mobile data settings, and VPN and APN settings that you’ve used before.

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