Software update
Why my Iphone cannot been install new software 12.1.4 after download
iPhone XS Max, 12
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The message clearly says iPhone requires at least 50% battery or needs to be connected to power source
Update your device wirelessly
- Plug your device into power and connect to the Internet with Wi-Fi.
- Tap Settings > General > Software Update.
- Tap Download and Install. ...
- To update now, tap Install. ...
- If asked, enter your passcode.
Dec 3, 2018