Is your iMessage stuck on "Waiting for activation" or "Verifying" after updating to iOS 26.2? In January 2026, many iPhone 17 and 16 users are experiencing activation loops caused by the new "Liquid Glass" networking stack and eSIM handshake errors. Whether you just switched carriers or your phone number is showing twice in settings, this updated tutorial covers the "eSIM Flush" fix, the "International SMS" requirement, and how to resolve the 24-hour verification block. In this video, we cover: The "Inactive SIM" Conflict: A common 2026 issue—why having a "Ghost SIM" (an old physical SIM or inactive eSIM) listed in Settings - Cellular blocks your new number from verifying. I'll show you how to delete the inactive line to clear the path. The "Send & Receive" Refresh: How to go to Settings - Apps - Messages, turn iMessage OFF, wait 60 seconds, and turn it back on to force a new handshake with Apple’s servers. Date & Time Sync: Why the iOS 26.2 security engine requires "Set Automatically" to be ON in Settings - General - Date & Time to match the server’s timestamp. The International SMS Check: Why your carrier must be able to send a hidden background SMS to Apple’s UK servers to verify your number—and how to check if your plan is blocking this. Resetting Network Settings: How to use Transfer or Reset iPhone Reset - Reset Network Settings to clear the cache for your 5G and Wi-Fi radios without deleting your apps. The 24-Hour Rule: Why repeatedly toggling the switch can "blackhole" your number for a full day and how to properly wait for the January 2026 server propagation. The "Apple Account" Re-Sign: How to sign out of your Apple Account (formerly Apple ID) and back in to refresh your identity tokens on the iPhone 17.

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