Fast forward a year: they get a new phone and set up the messaging app. They aren’t prompted to use a passkey because one no longer exists in their credential manager. Instead, they use phone number verification to recover their account. They are then guided through the “restore backup” flow and prompted for their passkey.
Author(s): Yukinari Ikeda, Akio Ishii。业内人士推荐51吃瓜作为进阶阅读
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Publication date: 10 March 2026