My phone always stop update because keep saying error installing

Hello,

Please check your internet connection and if your iPhone doesn't have enough storage please uninstall some application or games and try again. Please explain what type of error your iPhone gives.

NKC0909 Said:

"My phone always stop update because keep saying error installing: Why my phone does not finish the update and always give error"

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Why the Error? There is an issue connecting to Apple's servers.

To Check for Updates:

Use a Computer and Ethernet:

Start with attempting an update through use of a computer. If you cannot use Wi-Fi, then use Ethernet.  Go Here: Update your iPhone Using a Computer - User Tip. On the computer, you would connect it through Ethernet, going directly into your router. For a Mac (or PC) that does not have Ethernet, this would be the adapter to use: Belkin USB-C to Gigabit Ethernet Adapter - Apple. If you get the same error, the model is likely just not compatible.