Why isn’t my phone updating the newer iOS version?

Hey there,

what do you see when you go to Settings > General > software update?

see this article ☞ Update your iPhone, iPad, or iPod touch - Apple Support

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if you have trouble with update See>>>If your iPhone, iPad, or iPod touch won't update - Apple Support

Make sure your iPhone is connected with good Wi-Fi network and the low power mode is off and your iPhone battery have 50% or more!

and check the article I sent to you above!

Your welcome ㋡