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2h ago

Apple Confirms iOS 26 Duplicate SIM Bug Disrupting iMessage

Deleting the duplicate SIM entry followed by reactivating the phone number in Messages restores normal delivery.

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iOS 26
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Ein Bug blockiert iMessage nach iOS-26-Update, Lösung: doppelte SIM-Einträge löschen.

Overview

  • After installing iOS 26, many iPhone users report that iMessage fails to send or receive and sometimes falls back to SMS with the sender shown as an email address.
  • Apple attributes the malfunction to a duplicated SIM-card entry created during the update, which can affect both physical SIMs and eSIMs.
  • Users should remove the inactive duplicate in Cellular settings by ejecting and reinserting a physical SIM or by deleting the inactive eSIM profile.
  • Once the duplicate is removed, re-enable the phone number under Settings → Apps → Messages → Send & Receive to reactivate iMessage.
  • Reports indicate the steps restore normal iMessage behavior, and Apple has not detailed why duplicates occur or announced a preventive software update.