How to install iOS 15.7.2 on an iPhone?
how to install iOS 12.2
how to install 15.7.2
[Re-Titled by Moderator]
iPhone 6s
Question marked as
Top-ranking reply
The iPhone 6 cannot update further then iOS 12.5.6 due to hardware limitations. The iPhone 6S can update to iOS 15.7.2
Make sure that low power mode is turned off and that the iPhone is connected to WiFi.
Then go to settings>general>software update
If updating wirelessly is not working please update via a pc or mac instead
Update your iPhone using a Mac with macOS Catalina or higher
On a Mac with macOS Catalina or higher, you will use the finder in order to upgrade your iPhone. Make sure to Back up your device before starting the upgrade process.
On a Mac with macOS Catalina or later, you will follow the following steps:
- Open a finder window
- Connect your device to your Mac via a lighting to usb A or a lightning to usb c cable
- Select your device in the left sidebar of the finder window
- click general, then click check for update
- Click download and update.
- If asked, enter your iPhone passcode
Update your iPhone via a Mac running macOS Mojave or earlier, or on a Windows PC
On macOS Mojave or earlier, or on a windows machine, we won't use the Finder to upgrade your iOS
Instead, we will use iTunes. Make sure to Back up your device before doing any update or upgrade to your phone.
- Open iTunes
- connect your device to the computer with an lightning to usb a or a lightning to usb c cable
- Click device button in the iTunes toolbar
- In the summary tab, click check for update
- Click download and update, follow The on screen instructions
- If asked, enter your iPhone passcode
