How can I get my update

The iPhone 5S/6/6plus cannot update further then iOS 12.5.6

The iPhone 5C cannot update further then iOS 10.3.4

The iPhone 4S cannot update further then iOS 9.3.6

The iPhone 4 cannot update further then iOS 7.1.2

The iPhone 6S/6Splus cannot update further then iOS 15.7.2

The iPhone 7/7plus cannot update further then iOS 15.7.2

The iPhone SE (2016, first gen) cannot update further then iOS 15.7.2

If you have an eligible iPhone, go to settings>general>software update. Make sure to turn off low power mode and to connect your device to a wifi network. 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:

1. Open a finder window
2. Connect your device to your Mac via a lighting to usb A or a lightning to usb c cable
3. Select your device in the left sidebar of the finder window
4. click general, then click check for update
5. Click download and update.
6. 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.

1. Open iTunes
2. connect your device to the computer with an lightning to usb a or a lightning to usb c cable
3. Click device button in the iTunes toolbar
4. In the summary tab, click check for update
5. Click download and update, follow The on screen instructions
6. If asked, enter your iPhone passcode.

Assuming you have a compatible device, see: Update your iPhone, iPad, or iPod touch - Apple Support

And: If your iPhone, iPad, or iPod touch won't update - Apple Support

If the above Apple articles do not help, please post back with relevant information. 

Settings, General, Software update.

If iPhone will not update 

Check all of these carefully:- 

you are on a good Wi-Fi, (from 15.4 iPhone 7 up, you may be offered cellular update)  and  that the router is connected to the internet. 

Plenty of spare storage – 6GB at least. 

on charge with more than 20%, OR  

off charge with more than 50% 

low power mode turned off.  

Check you have no Beta profile installed. (Check Settings, General, VPN & Device Management) 

no VPN installed (Check Settings, General, VPN & Device Management) 

Resources:- 

Update iphone 

Update your iPhone or iPad - Apple Support 

Learn how to update your iPhone via recent Macs here:--> 

Update your iPhone, iPad or iPod touch with the Finder – Apple Support (UK) 

or older Macs and PC here:--> 

Update your iPhone, iPad or iPod touch with iTunes – Apple Support (UK)