Ios setting SMS automatic forwarding

The old mobile phone card is bound with many things. It's very troublesome to change. I don't have an iPhone that supports dual cards, and I can't get the verification code of the old number. What should I do at this time? Let me tell you how to set up an automatic SMS forwarding tutorial for ios.

Ios sets SMS automatic forwarding 1. Log in to the same ID with two mobile phones.

2. Open the settings in the old mobile phone and click on the information.

3. Enable iMessage, and then enter the information forwarding option.

Then turn on the switch on the back of the new mobile phone.

5. Check the original number of iMessage received and sent on the new phone.