All of a sudden you find that every text message you try and send won't go through and you receive an error message. There are several causes for why your phone isn't able to send text messages, which can be solved from the steps below.

If trying to send a text message from abroad, you'll need to ring your network provider to see if it's been enabled on your phone.

The Knowhow

  • Check your balance to see if you have enough credit or haven't gone over your monthly usage. It's easily done and your network provider could be blocking further calls and messages because of this.
  • Look to see if your inbox is full. Some mobile phones stop you from making and receiving texts if this is the case.
  • Try to make a phone call from your phone. If the phone call doesn't go through, check that you have enough reception. Turn your phone off and then on again and try sending a message/making a call from another area.
  • If you can make a phone call, go to your phone's message settings and see if the SMS service centre number is correct with the ones shown below:
Network Provider SMS Service Centre Number
3 (Three) +447782000800
ASDA Mobile +447785014315
Orange +447973100973
O2 Contract +447802000332
O2 Pay As You Go +447802092035
Tesco Mobile +447802092035
T-Mobile +447958879879
Virgin Mobile +447958879890
Vodafone +447785016005
  • If you've recently changed phones you may have to wait up to 48 hours for the network to change all the settings.
  • The next step is to try your SIM card in another compatible phone. If you're able to send a message, it means the fault is with your mobile phone and you'll need to put it in for repair.
  • If you still can't send an SMS then there's a problem with your SIM card. You can get a replacement in-store or by calling your provider who can send you one in the post.
  • Sometimes masts can become faulty, which will affect your coverage. When you ring your network, check to see if any have been affected in your area.

Below is a list of the providers along with links to their contact pages:


Updated On:

Nov 21, 2011

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