How to update iPhone 6s plus?

allu ~ Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS or iPadOS:

Update your iPhone, iPad, or iPod touch

If your iPhone, iPad or iPod touch won’t update

Updating iOS: common issues and solutions - Apple Community

...found by searching Apple's Knowledge Base.

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Sorry, but that is just not enough information in order for us to be able to assist you with a potential solution.

• Writing an effective Apple Support Communities question - Apple Support Communities

Hello ~ Is there a technical question we can help you with?

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