You can choose a username on **Telegram**. If you do, other people will be able to find you by this username and contact you without knowneeding your phone number.
You can use **a-z**, **0-–z**, **0–9** and underscores. Minimum length is **5** characters.
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设定用户名后，其他用户能通过用户名找到您，从而保证您无需泄漏手机号。
您可以使用 **a-z**、**0-9** 以及 **_**，并且至少使用 **5** 个字符。
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Deleted Account,
Feb 21, 2019 at 05:06