For iPhone 6 Plus can up to date iOS 15

Khmerprivate wrote:

Now iPhone 6 Plus can up to date iOS 15 or more .

iPhone 6 Plus is forever limited to iOS 12.

There are no hardware upgrades.

Your options for newer iOS is a newer (used, refurb) or new iPhone.

An iPhone 5s or iPhone 6 isn't capable of 13 or above; they require at least 2GB of RAM.

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