I want to upgrade my iPhone 7
I want to upgrade my phone
iPhone 7, iOS 13
I want to upgrade my phone
iPhone 7, iOS 13
You can upgrade iOS as far as iOS 15.7.2.
Here's two different ways to ensure the highest iOS that your phone will support is on your phone.
Update your iPhone, iPad, or iPod touch wirelessly. Click here --> Update your iPhone or iPad - Apple Support
Update your iPhone, iPad, or iPod touch with the Finder on a Mac computer --> Update your iPhone, iPad, or iPod touch with the Finder - Apple Support
If you really mean upgrade the hardware, you can only do that by buying a newer iPhone:
You can upgrade iOS as far as iOS 15.7.2.
Here's two different ways to ensure the highest iOS that your phone will support is on your phone.
Update your iPhone, iPad, or iPod touch wirelessly. Click here --> Update your iPhone or iPad - Apple Support
Update your iPhone, iPad, or iPod touch with the Finder on a Mac computer --> Update your iPhone, iPad, or iPod touch with the Finder - Apple Support
If you really mean upgrade the hardware, you can only do that by buying a newer iPhone:
I want to upgrade my iPhone 7