There may have been a problem with Wi-Fi connectivity.
Try restarting your iPhone, then connect to reliable WiFi.
Then check for updates.
If it receives either iOS 12.5.5 or 15.1.1 update, you can update it
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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
There may have been a problem with Wi-Fi connectivity.
Try restarting your iPhone, then connect to reliable WiFi.
Then check for updates.
If it receives either iOS 12.5.5 or 15.1.1 update, you can update it
There may have been a problem with Wi-Fi connectivity.
Try restarting your iPhone, then connect to reliable WiFi.
Then check for updates.
If it receives either iOS 12.5.5 or 15.1.1 update, you can update it
My iPhone shows up to date which is ios11.4.1 and I want to upgrade it to 12.4.2 cuz it seems it can’t download some apps