联通组件简单点获取CK方法2貌似CK有效期只有15天左右。
喜欢折腾的可以尝试用第一种方法（自动无限续期“也有两种方式，自行折腾”）：小一佬联通余量，教程: https://chinatelecomoperators.notion.site/iOS-6c4fc6433f28452b9e10aab1ed3eddc5
再或者，自行折腾服务器自动登录（方法不提供）
BY Scriptable教学
Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.
Telegram has made it easier for its users to communicate, as it has introduced a feature that allows more than 200,000 users in a group chat. However, if the users in a group chat move past 200,000, it changes into "Broadcast Group", but the feature comes with a restriction. Groups with close to 200k members can be converted to a Broadcast Group that allows unlimited members. Only admins can post in Broadcast Groups, but everyone can read along and participate in group Voice Chats," Telegram added.
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