What if the SMS reminder sent by Apple's mobile phone hasn't arrived yet?

Apple's mobile phone can't send SMS, prompting the reason why it hasn't been delivered yet: the sent iMessage can't be delivered in time due to network or other reasons.

Solution:

Send it directly by ordinary SMS.

Under Settings-Messages, turning on the "Send as SMS" switch may avoid this situation.

Apple's mobile phone can't send SMS, prompting the reason why it hasn't been delivered yet: the sent iMessage can't be delivered in time due to network or other reasons.

Solution:

Use ordinary text messages directly.

Send it directly by ordinary SMS.

Under Settings-Messages, turning on the "Send as SMS" switch may avoid this situation.

Apple's mobile phone can't send SMS, prompting the reason why it hasn't been delivered yet: the sent iMessage can't be delivered in time due to network or other reasons.

Solution:

Send.

Under Settings-Messages, turning on the "Send as SMS" switch may avoid this situation.