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  1. Instantly unlock your phone and use any network. All models supported, all UK networks. Unlock your phone from the comfort of your own home.

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  1. Sep 16, 2024 · If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. If your iPhone is locked to a carrier, it can be used only by that carrier. To check if your iPhone is unlocked, go to Settings > General > About.

  2. If your iPhone is unlocked, "No SIM restrictions" will appear next to Network Provider Lock (or Carrier Lock). Find out how to unlock iPhone for use with a different network provider. Restart your iPhone or iPad. Check for a network provider settings update. Go to Settings > General > About.

  3. Dec 8, 2023 · Your device will activate. If you don't have another SIM card to use. Use these steps to finish unlocking your iPhone: Back up your iPhone. After you make a backup, erase your iPhone. Restore your iPhone from the backup you just made. Get help.

    • SIM Card. Your SIM card is actually a small computer chip embedded into plastic so it can be transferred easily across devices. Although they are resilient, they can become faulty, or may not be compatible with the phone you’ve transferred it into.
    • Phone is Carrier Locked. Especially in the US, where the cost of a cell phone is often paid off in installments, service providers implement locks to prevent you from utilizing your equipment with competitors.
    • Software Bug. Occasionally, incompatible or corrupted software can cause network issues with an iPhone. It is infrequent, but worth ruling out before embarking on deeper level hardware fixes.
    • Faulty SIM slot. This occurs most frequently on newer models of iPhone. Beginning with the iPhone XR, some models feature a Apple iPhone Parts. On previous models, the slot is soldered onto the logic board.
  4. Apr 19, 2024 · You cant unlock your SIM card without a PUK code. The good news is that you can get this code from your mobile carrier or locate it within your SIM card’s packaging. If you require detailed instructions, here are three ways to find your iPhone’s PUK code.

  5. Aug 1, 2022 · Learn what to do if your iPhone or cellular iPad isn’t recognizing the SIM card and shows “No SIM,” “SIM Not Valid,” or other SIM-related errors. You can’t make regular calls, use mobile data, or send and receive non-satellite texts if there are SIM-related errors on your iPhone.

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  7. Sep 28, 2024 · 1. Restart your iPhone or iPad. If your device claims your SIM card is invalid, a quick restart will often fix the problem—especially if the error appeared suddenly. 2. Remove and reinsert your SIM card.