Joke Collection Website - Blessing messages - Why can't Apple send a text message after changing its card?

Why can't Apple send a text message after changing its card?

Method 1:

Settings-Information-Turn on the switch for sending and receiving SMS again.

Method 2:

Restore factory settings

Method 3:

Settings-General-Turn on cellular data and data roaming.

Method 4:

If you can't click Send after entering the text, the "Send" key is still gray. Please turn off "Show Subject Bar" in Settings > SMS >.