目前可以用，可以查看金币钻石视频
Is your iPhone or iPad still preparing to update? If you're trying to install a software update from Apple on your iOS device and it won't progress from the updating stage, this could be due to a network issue or a corrupted update file. You can easily delete the update file and download it again Move to iOS only works properly when both phones are connected to the same Wi-Fi network. Before you start a transfer, check your connections (on iPhone, Settings Wi-Fi; on Android, Settings Connections Wi-Fi) and connect to the same Wi-Fi network. Make sure your iPhone has enough storage space
https://signlanguagealphabet.org/
iOS一直都在正在准备，大神解决一下