SD card not detected in mobile is a very common problem on Android devices as well as other handsets. The causes can be diversified, from temporary errors, like unstable connectivity, to hardware damage. Actually, more and more people find that their mobile phones don't read the SD cards after OS update, no matter the latest Oreo (Android 8.0) or Marshmallow (Android 6.0). How to Fix SD Card Not Recognized Problem after Android Update It is hard to find a universal method to fix the problem. However, here are some tricks you could have a try: Reboot (remove battery/SD card) Unmount and remount SD card Reformat SD card on PC Factory reset mobile phone (be care of FRP ) Upgrade to the latest OS or downgrade to the old version Note: See how to fix Android USB device not detected but charging problem. For many people, the data on the SD card is far more important than the memory card itself. In case that you cannot access the lost files on your SD card, you may try a...
Learn how to keep your phone data safe and more tips and tricks about Android mobile device.