How Do I Activate My 3 SIM Card?


  • Insert your SIM into your phone and switch it on.
  • 3 will text you to let you know they have started activating your SIM.
  • They’ll send you a second text telling you to turn your phone off and on again.
  • Your SIM will be activated when you restart your phone.

How do I activate my new SIM card on 3?

Follow these steps to activate your new Pay As You Go on Three SIM card:

  1. If you bought your Three phone and SIM from us you can skip this step.
  2. Check that you’ve fully charged your phone’s battery.
  3. Insert your SIM into your phone and switch it on.
  4. We’ll text you to let you know we’ve started activating your SIM.

How do I activate my new SIM card?

New phone or SIM card activation

  • Go to
  • Select Activate your device for AT&T wireless device.
  • Enter the required information.
  • Select Continue.
  • Follow the prompts to complete your activation.

How long does it take for my SIM to activate?

Sim activations : Sim activations can take upto 24 hours to complete but yes mostly they go though instantly or within 30 minutes ! If possible please take your sim out now and put back after couple of minutes later so that it can look for fresh signal that’s will make process quicker !

How do I know if my SIM card has been activated?

The easiest way to check if a SIM card is active is simply insert it into a working phone and power it up, and then try to dial out to a friend or a publicly listed phone number. However, read below before you proceed. You probably do not need to check the SIM card, if you found it randomly on the streets.

Do I need to activate my new 3 sim?

No need to activate your SIM, just pop your SIM in your phone and switch it on. Just pop your SIM into your new device and switch it on. We’ll then text you to let you know we have started activating it. It should be activated in 2 hours but it can take up to 24 hours.

Do you have to activate a 3 SIM card?

Your phone must be unlocked (it should connect to your local network). If your SIM doesn’t automatically activate follow these steps: Insert your SIM into your phone and switch it on. 3 will text you to let you know they have started activating your SIM.

How do I activate my Optus SIM card?

If your SIM fails to activate

  1. Log in to My Account and scroll down.
  2. Click on your service.
  3. Click on ‘Settings’ or ‘Manage > Show all settings’
  4. Select the option for activating a SIM card.
  5. Follow the online prompts.

How do I activate my new Airtel SIM?

Steps for Airtel 4G SIM Activation

  • SMS SIM <20 digit SIM number> from your existing airtel connection to 121.
  • Reply with 1 to confirm your request.
  • Wait for the phone to get disconnected from the network.
  • Your new 4G airtel SIM will be active within 5 minutes.
  • No need to change your mobile number.

How can I activate my Airtel 4g sim?

This is how to activate airtel 4g sim:

  1. You will get an SMS asking if you would like to opt for the new service.
  2. Once you request for a new SIM, Airtel will try and deliver it at your address within four hours.
  3. To change the SIM, you need to send the 20-digit number at the back of the new card to 121 prefixing SIM.

How long does it take for new phone to activate?

If you choose a new phone number when activating service usually begins within minutes. If you are transfering your current phone number, it can take hours or days. What do you plan to do, and do you already have a SIM card? It takes 1 – 2 weeks to get a SIM.

How do I activate a new SIM card in my iPhone?



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iPhone 5: How To Set Up, Activate & Insert / Remove SIM Card


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How do I activate a new o2 SIM card?

You can activate your sim in five simple steps:

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

Should I use old SIM card in new phone?

If your new phone does not have a SIM card, you won’t be able to use your old SIM card with it. You can transfer contacts and other information from your old SIM card to your new phone by putting the information on a USB drive–or having a professional at a phone store do it for you, according to CNET.

Can you just switch SIM cards between phones?

When you move your SIM to another phone, you keep the same cell phone service. SIM cards make it easy for you to have multiple phone numbers so you can switch between them whenever you like. In contrast, only SIM cards from a specific cell phone company will work in its locked phones.

How do I know if my iPhone Sim is working?

Starting from the home screen:

  1. Tap “Settings.”
  2. Tap “General.”
  3. Tap “About.”
  4. The entry titled ICCID is your SIM card number.