Software downloaded, but error while installing, please help
Software downloaded iOS 15.1
but always showing error while installing
pl help
iPhone X, iOS 11
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1.
How is the range of the mobile network?
See this Apple article: you see No Service or Searching on your iPhone or iPad
https://support.apple.com/en-us/HT201415
2.
Check the Wi-Fi network, you need strong Wi-Fi signal.
See this Apple article: If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
https://support.apple.com/en-us/HT204051
3.
Low Power Mode is On?
Charge the iPhone. Wait until the battery is fully charged (100%).
The Low Power Mode will turned off automatically.
Then you can perform the update.