Why doesn't Apple's mobile phone sometimes prompt?

There are many cases in which iphone SMS doesn't wake up. One is that the mobile phone information "notification" may not be turned on, the other is that there is something wrong with the mobile phone hardware, and the other is that the "lock screen" reminder in Apple's "notification" may turn off or turn on the do not disturb mode. Different reasons have different solutions. Solution for iphone SMS not to wake up: 1. If you find that iPhone SMS does not wake up, you need to try to restart your phone. 2. If it still doesn't work, you need to open the settings of your mobile phone, click "Notification" in turn, find "Information", and then click "Allow Notification" to open this function. At the same time, you need to turn on the notification tone, so that you can know whether there is a short message at any time. 3. If you didn't wake up with an iphone SMS, you may have turned on "do not disturb mode", so just turn off "do not disturb mode". 4. Alternatively, you can ask your operator whether it supports the type of information you are trying to send (such as MMS or SMS). In short, if you find that the iphone SMS does not wake up, you can follow the above steps to solve it, and the operation is relatively simple.