how do i up grade my phone from home

Your iPhone 11 Pro can be updated to: iOS 16.4.1

You can check your current version here:

Settings → General → About

You can download and install software updates here:

Settings → General → Software Update

Remember to connect to Wi-Fi and a charger. Your iPhone must have more than 50% power to update without a charger connected.

You can find more useful information here:

Update your iPhone or iPad - Apple Support

If your iPhone or iPad won't update – Apple Support (UK)

If you want to update your iPhone via a PC or Mac, see here:

• Mac: Update your iPhone, iPad, or iPod touch with the Finder - Apple Support
• PC (iTunes): Update your iPhone, iPad, or iPod touch with iTunes - Apple Support

Yes and no. Your iPhone must be sent, whether you choose to have a courier pick it up from you home or you send it yourself from a post office, I think it's up to you.

You can read everything about Trade In, find the price and how to send your iPhone here:

Apple Trade In - Apple

Go to settings - general - software update and start there. See if this helps: Update your iPhone or iPad - Apple Support