Removing the memory card causes card data loss

Cause:

Forcefully removing a memory card from your phone may cause the card to suffer permanent data loss.

Solution:

Correctly remove a memory card: Eject the memory card or power off your phone and then remove the card from your phone.

Eject a memory card: Go to Settings > Storage > SD card > Eject and then remove the memory card from your phone.

If the issue is not caused by forcible removal of the memory card, back up your data and take your device and the proof of purchase to an authorized Huawei Customer Service Center for assistance.