Changing iPhone provider

Here's how:

1. Make sure that you have the latest version of iOS or iPadOS.
2. Go to the Settings app, then tap TV Provider.
3. Select your TV provider* from the list.
4. Enter your TV provider account information. If you aren't sure, contact your TV provider.
5. After you enter your TV provider account information, tap Sign In.

Sign in with your TV provider on your iPhone, iPad, or iPod ...

Bloomers70 wrote:

Since changing iPhone provider from 3 to sky, but keeping my old number, my texts are being delivered with either my email or the new number I have not used. How can I rectify this issue please?

Contact Sky text message is their feature.