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Dear users, hello!
Sorry to affect your use, it is recommended that you describe your problem and the model of the mobile phone in detail, so that we can provide more complete information, here is a simple troubleshooting:
1.Check what capacity your phone supports to use the memory card, and it is recommended that you check whether the memory card can be used here.
2.If the memory card is not in good contact, it is recommended that you shut down and re-insert the memory card to see if it can be used normally.
3.It is recommended that you try to format the memory card again in FAT32 format.
4.If the memory card itself is abnormal or compatible, it is recommended that you use other memory cards for comparison, if other memory cards can be recognized, it is recommended that you replace the memory card.
5.If the above operations cannot identify or improve the problem, please back up the fuselage data and restore it to factory settings.
If the problem still cannot be effectively solved, it cannot be ruled out that it is caused by the failure of the fuselage card slot or other components, we recommend that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment.
Inquire about authorized maintenance sites on the official website.
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Dear Lenovo users, you can try to back up your phone data, restore your phone to factory state, if it still can't solve your problem, it is recommended that you change to another SD card for testing.
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Let's take a good look, if it doesn't work, then the machine is not in good contact Clean up the ash or something.
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Maybe the memory card's card slot is broken.
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During the use of the phone, the memory card will balance with too many unnecessary files over time. Regularly format and clean the SD card, which helps to improve the running speed of the phone. Here's how to do it:
1.In the [Standby screen], tap [Settings].
2.Find and tap the Ascend Block Match [Storage].
3.You can format the SD card or format the internal storage device, such as clicking [Format Internal Storage Device].
4.Click Clear and format.
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Can you still find this memory card on the computer, if you can't find it on the computer, it means that the card is broken.
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It's a problem with the file system, you choose it in the file system when you format it, fat32, if it still doesn't work, then fat!
That's the problem with the situation analysis you are talking about.
It's very likely that there is a virus in the card.
The file is hidden by a hidden virus, try it first: >>>More
There's a small switch on the card where the card is put on, and that's the thing.
1. Due to the long-term plugging and unplugging of the memory card, the metal contact piece is caused by oxidation or wear, and the phenomenon of oxidation or wear is used to solve this situation. >>>More
Possible causes and solutions:
One, the memory card is bad, so it can't be displayed and can't be read. See if you can read it on the computer, if not, it's broken, just buy a new one. >>>More
If you want to delete useless folders, you first need to open the Android file management interface. Win7 computer system, directly connect the Android phone to the computer with a data cable, and then find the "Portable Device" item in the "Computer", which generally displays the mobile phone model (such as the Galaxy Nexus in the figure below, double click to open, and then open the "Memory Device", you can enter the mobile phone memory card management interface. >>>More