I want update my iPhone 6 please how could I do

An iPhone 5s, iPhone 6, or iPhone 6 Plus isn't capable of 13 or above; they require at least 2GB of RAM. To install 12.5.7, use a computer or the Software Update function in Settings.

(239199)

Assalafi Said:

"I want update my iPhone 6 please how could I do: I’m using iPhone 6 I want update it"

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Updating an Obsolete iPhone:

What to try...

Use a Computer and Ethernet:

Start with attempting an update through use of a computer. If you cannot use Wi-Fi, then use Ethernet.  See my User Tip: Update your iPhone Using a Computer - User Tip.