How long is the validity period of adding friend verification information to WeChat?

A week or so, but more than eight times, the submission will fail.

Wechat is a relatively fast instant messaging tool, which has the functions of zero charge, cross-platform communication, real-time input status display and so on. Compared with the traditional short message communication, it is more flexible, intelligent and cost-saving.

Wechat supports iOS, Android, Windows phone, Symbian platform and BlackBerry system in smartphones.

The specific features are as follows:

① Support sending voice messages, videos, pictures (including expressions) and texts;

② Support multi-group chat (up to 20 people);

③ Support to view people who use WeChat near their location (LBS function);

④ Support plug-in functions such as Tencent Weibo, QQ mailbox, drift bottle, voice notepad and QQ synchronization assistant;

⑤ Support sending voice messages, videos, pictures and texts. You can chat in groups and consume only a small amount of traffic, which is suitable for most smart phones. Supports sending voice messages, videos, pictures and texts. You can chat in groups and consume only a small amount of traffic, which is suitable for most smart phones. Support QR code, "show your own QR code", and support scanning QR code to add friends.