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Why doesn’t WeChat send push notifications?
Based on personal experience, let’s talk about several reasons that may lead to this problem.
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1. WeChat Notification
We have to look at the mobile phone system and WeChat APP separately. The mobile phone system has absolute control over the mobile phone. If the software installed in the mobile phone wants to use the system functions of the mobile phone, the software must be authorized. Taking WeChat notification permission as an example, if the user does not authorize WeChat, the mobile phone cannot use the notification permission.
But if the user has authorized the WeChat software through the mobile phone system and still cannot pop up the notification message, then the problem may lie in the "WeChat notification function". The most common one is that the user has turned off WeChat's "New Message" Notification" feature. As shown below:
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After using your mobile phone to authorize the "WeChat Notification" permission, and then turning on the "New Message Notification" function of WeChat, you can receive notifications normally.
2. Killing Apps
There have been incidents of "killing apps" on iPhones. Many iPhone users may not remember it. Let's briefly talk about it.
When a user uses an iPhone to open some software, the software can run normally, but if the user switches the phone interface to other software or phone functions, the previously opened software will be closed, and the user When you want to use a previously opened software, you must restart the software, take WeChat as an example. As shown below:
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Assume that the user has turned off WeChat’s “Automatically start at boot, automatically start in the background” permission, even if the user allows WeChat to use the notification permission of the mobile phone, in WeChat When the "New Message Reminder" function is turned on, WeChat notifications will still not be displayed because WeChat is "killed" by the background of the mobile phone system and cannot receive messages. Therefore, in order to ensure that WeChat is in the state of "notification messages can pop up at any time", this option must be turned on.
In addition, some users will find that there is a "Background APP Refresh" option in the iPhone mobile phone system. After turning on this function, the mobile phone system will automatically detect the status of the APP running in the background. As shown below:
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Pay attention to the small print explanation below the "Background APP Refresh" function. If the "Background APP Refresh" function is turned on, the mobile phone system will save power and increase Due to the battery life of the mobile phone, WeChat may be forced to close, causing WeChat to be unable to receive notification messages.
So, if you want to ensure that WeChat can run normally in the background of your mobile phone and that it will not be "killed" by the system, you must authorize WeChat's "self-start" permission and turn off the "background APP refresh" function. .
3. Notification methods
If the user still cannot receive the WeChat notification message after using the above method, there is another possibility. After the user authorizes WeChat's "notification permission", it does not mean that the way WeChat "displays notifications" is correct. Whether it is an Android system or an IOS system, the user will be provided with three methods depending on the location of the notification. One is " "Banner Notification", the number of messages will be displayed in the upper right corner of the software icon; the other is "Banner Notification", the message will be displayed at the top of the screen; the last one is "Lock Screen Notification", will
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