第二步：下载并允许未知来源 点击下载按钮后，设备可能会提示你允许安装“未知来源的应用”。在“设置”中打开“来自未知来源”的选项。 UPD: As of October 2018, Telegram X for iOS has changed the older Aim-C centered customer. If you're looking for the ideal iOS expertise, change to the main Telegram application. I have used this consumer for telegram For a long time and years. I really like the https://www.telegram-x.com/