You can change your Telegram number herefrom the official Telegram app for Android and iOS. Your account and all your cloud data — messages, media, contacts, etc. will be moved to the new number.
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您可以在此更换当前绑定到 Telegram 的手机号码。您的帐号和所有云端数据（消息、媒体文件、联系人等）都会迁移到新号码下。
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Fair Leopard,
Mar 21, 2023 at 10:51