Sim number how long

Here are the most frequently asked SIM-related questions, and their answers. Good to know for all those online quizzes. SIMs are computer chips which hold information and allow you to connect with your network. Just pop in the SIM card and you can call one of your contacts or use your data. Just make sure they use the same size of SIM first.

This number identifies the phone to the network. They can also store contact information, telephone numbers, SMS messages, billing information and data usage. Check out our SIM Support page and choose your reason so we can give you the best advice. For most models, this will be on the right-hand side. The tray should release easily, and you can insert the new SIM.

Showing results for. Show only Search instead for. Did you mean:. All forum topics Previous Topic Next Topic. Message 1 of 4. How long after number change does the SIM take to be updated? Hi all. NeilO Moderator. Message 2 of 4. If you're new to O2 or changing your O2 contract, it's easy to keep your mobile number.

Before we can transfer your number, we'll need your PAC code — a code made up of three letters and six numbers. Alternatively, you can request your PAC from your current mobile provider. You can give us your PAC code when you order your new O2 connection or at any time afterwards. You can give us your PAC code online, call us on free from your O2 phone or on from any other phone, or visit an O2 store.

Make sure you back up any contacts stored on your old network's sim card before the transfer, otherwise you could lose them. Please be aware that you'll temporarily lose service while we transfer your number to our network. If you turn your phone off and on regularly, you may see the connection to our network more quickly.

The transfer will be completed by 6pm the same day, but it may take up to 24 hours for text and picture messaging to work. This will make sure your iMessages show as coming from the correct number. Just fill in the keep my number form.

Fill in the keep my number form. You'll need your temporary Pay Monthly number from your O2 confirmation email or sim pack. Back in the days when mobile phones were the size of bricks, SIM cards were about the size of a credit card. Nowadays, there are three main sizes of SIM card:. Before you buy a SIM, you may want to check which one best fits your phone or tablet.

To do this, insert it carefully into your phone. Call for free from your mobile and follow the prompts. Read all you need to know when you bring your mobile number to 2degrees from another network here.

Immediately suspend your SIM Card to stop anyone else from incurring charges under your account. If you still have your old SIM card, be sure to back up any contacts you have saved to your SIM card, or that information will be lost.