Why does the Xiaomi Smart Band 9 Active not synchronize data when it is disconnected from the iOS phone for a long time?
If the Mi Fitness APP is running too much in the background, it will be cleared and the device will be disconnected from the APP, resulting in data synchronization failure. You need to enter the Mi Fitness APP to automatically reconnect and synchronize data. When the APP is cleared in the background, reopening the APP will automatically reconnect to the device and you can use it normally.
For your reference, reasons for clearing background are as follows:
The reason why background applications are cleared is that the running memory (RAM) has been used up by the APP. In order to free up enough running conditions for other newly opened applications, the system must clear some background running applications to free up RAM. Due to differences in models and iOS system software versions, the frequency of background clearing will vary. Taking the iPhone 12 as an example, the memory is 4GB. When 4 applications are opened in iOS 16.3.1, the background clearing phenomenon will occur. After upgrading the version to iOS 16.4, there is no background clearing phenomenon when 5-6 applications are opened (it is related to the specific APP, such as the Camera occupies a relatively large amount of memory).
During normal use, please pay attention to the following two points to reduce the frequency of background clearing:
1. Ensure that the phone has sufficient power, avoid overheating, and turn off low power mode. Otherwise, the CPU will be actively downgraded, and the frequency of background clearing will increase significantly;
2. Open the iOS phone's [Settings] >> [General] >> [Background App Refresh] in sequence and enable this function.
Please refer to the following tips to determine whether the application is cleared by the system:
1. If the Mi Fitness APP is cleared and put into the background, re-entering the APP will display the following two operation interfaces in order: first display the APP startup interface, then display the APP home interface;
2. If the Mi Fitness APP is not cleared in the background, the interface where you operated before exiting the APP will be retained when you enter it.
If the band is physically separated from the phone for a long time and the phone is put back together, it prompts that the Bluetooth is disconnected.
Please check other possible reasons as follows:
1. Check whether the Mi Fitness APP is cleared in the background. If so, reopen it;
2. Check if the Bluetooth on your phone is turned off and turn it back on;
3. Check whether the distance between the band and the mobile phone is too far, causing the disconnection. Make sure the Bluetooth of the mobile phone is turned on, open the Mi Fitness APP and tap to connect manually.
For your reference, reasons for clearing background are as follows:
The reason why background applications are cleared is that the running memory (RAM) has been used up by the APP. In order to free up enough running conditions for other newly opened applications, the system must clear some background running applications to free up RAM. Due to differences in models and iOS system software versions, the frequency of background clearing will vary. Taking the iPhone 12 as an example, the memory is 4GB. When 4 applications are opened in iOS 16.3.1, the background clearing phenomenon will occur. After upgrading the version to iOS 16.4, there is no background clearing phenomenon when 5-6 applications are opened (it is related to the specific APP, such as the Camera occupies a relatively large amount of memory).
During normal use, please pay attention to the following two points to reduce the frequency of background clearing:
1. Ensure that the phone has sufficient power, avoid overheating, and turn off low power mode. Otherwise, the CPU will be actively downgraded, and the frequency of background clearing will increase significantly;
2. Open the iOS phone's [Settings] >> [General] >> [Background App Refresh] in sequence and enable this function.
Please refer to the following tips to determine whether the application is cleared by the system:
1. If the Mi Fitness APP is cleared and put into the background, re-entering the APP will display the following two operation interfaces in order: first display the APP startup interface, then display the APP home interface;
2. If the Mi Fitness APP is not cleared in the background, the interface where you operated before exiting the APP will be retained when you enter it.
If the band is physically separated from the phone for a long time and the phone is put back together, it prompts that the Bluetooth is disconnected.
Please check other possible reasons as follows:
1. Check whether the Mi Fitness APP is cleared in the background. If so, reopen it;
2. Check if the Bluetooth on your phone is turned off and turn it back on;
3. Check whether the distance between the band and the mobile phone is too far, causing the disconnection. Make sure the Bluetooth of the mobile phone is turned on, open the Mi Fitness APP and tap to connect manually.
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