How do you sodate software for iPhone 6plus
How to apdate iPhone 6plus
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An iPhone 6 Plus can't be updated past IOS 12.5.6. See the article(s) below.
IOS 15 and iPadOS 15 Compatible Devices. *
iOS 14 and iPadOS 14 Compatible Devices. *
iOS 13 and iPadOS are compatible with these devices - Apple Support. *