SIM Card Failure after iOS 17 Update

Post updating iPhone 13 to iOS 17, its giving me a sim card failure issue, I have tried force restart, airplane mode, re-inserting the sim but the issue doesn't get resolved. My sim is a 4G sim. Any suggestion please


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Posted on Sep 20, 2023 10:25 PM

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Posted on Sep 21, 2023 9:10 PM

I have faced exactly same issue. I had updated my iPhone 13 Pro Max to iOS 17 couple of days back, and then to security update version of 17.0.1 this morning. Ever since the upgrade, I am getting "SIM Failure" error prompt.

I have performed following troubleshooting, to no avail :

  1. Toggling to Airplane mode
  2. Restart phone
  3. Reseat the SIM card tray after wiping SIM card with a clean cloth
  4. Reset Network settings


At last I attempted to try my SIM card in another phone, and the SIM is not being recognised on the other phone too. It seems the update somehow intrusively fiddled with the SIM card, as things were working smoothly before the update.


It is bizarre, as I had this SIM card on international roaming, and now I would need to wait to revisit my country whenever in future, before I can get a replacement SIM card from carrier.

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SIM Card Failure after iOS 17 Update

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