how toget the latest software updates from Apple

What is the current iOS version running on your iPhone? Your tag line suggests you own iPhone 12, which is capable of running the most current iOS 17.1.1

To ensure you are getting the most current iOS version on your iPhone, open Settings > General > Software Update and turn on Automatic Updates.

That said, if you haven't updated your iPhone in some time, you may find to get current, you may want to use your computer with iTunes (Windows) or Finder (Mac) to update to the most current version.

You need about 8 GB device storage and good Service and/or Wi-Fi.

If they are On, turn Off Hotspot & VPN.

Charge the battery > 70%.

Go to Settings -> General -> Software Update -> Download and Install.

See the following Apple articles:

Update your iPhone, iPad, or iPod touch

Update your iPhone, iPad, or iPod touch - Apple Support (IN)

If your iPhone or iPad won't update

If your iPhone or iPad won't update - Apple Support 

You can do the update via PC, see this Apple article: Update software on iPhone, iPad or iPod touch in iTunes on PC

Update software on iPhone, iPad or iPod touch in iTunes on PC – Apple Support (UK)

If you have a Mac see this Apple article: Update your iPhone, iPad, or iPod touch with the Finder

Update your iPhone, iPad, or iPod touch with the Finder - Apple Support

or see: