Joke Collection Website - Public benefit messages - Why does Apple's mobile phone have a call reminder service, but it can't receive SMS?

Why does Apple's mobile phone have a call reminder service, but it can't receive SMS?

Function not turned on

2. Incorrect call forwarding settings

3. The reminder message is only kept for 24 hours, and it will not be received after 24 hours.

4. Mobile company system failure can be reported by calling local 10086.

5. There is no reminder when the phone is turned off.

6. The mobile phone memory is full or the SMS inbox is full.