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How to repair Phone Memory (SD Card) if Damaged



The common issues leading to memory SD card being not recognized or corrupted by phone devices are as follows:


SD card is physically damaged

Erroneous partitions in the File Allocation Table of an SD card:

as a result of failed file transfer (copy-paste or Ctrl + X)

system crash on your computer (sudden power off) or on mobile phone

Unknown reasons

How to recognize that your SD card is corrupted


Let’s list the typical symptoms of a corrupted SD card:

Photos and videos open incorrectly or fragmentarily

SD card cannot be read or is not recognized by the phone/PC

You get a message on your phone that you cannot save files on your SD card

SD card needs formatting but throws a message “SD card is not formatted, do you want to format it now?”

OS shows reading errors, doesn’t respond when you try to connect your SD card to the computer

How to repair corrupted memory card by command prompt


To fix a corrupted memory card you can use Command Prompt and chkdsk command; this utility is part of any Windows version.


How to use chkdsk to fix a corrupted micro SD card:

Open Run menu via Start or using hotkey Win + R.

Enter cmd

In Command Prompt enter chkdsk [drive letter]: /f /r

Press Y to confirm chkdsk




Keys in chkdsk:

Parameter /f – fixes errors on the memory card

Parameter /r – fixes corrupted sectors on the disk


Chkdsk has other check parameters which can be viewed using switch /? .


If you don’t want to use a console utility to fix a corrupted memory card, another way is GUI shell. It can be opened in the Explorer:

Start - Computer/This PC

Right click on the SD card drive – Properties

Tools tab – Check (now) button



As you can see, here you have the same options as in the console version of the utility.

How to repair Phone Memory (SD Card) if Damaged

How to repair Phone Memory (SD Card) if Damaged



The common issues leading to memory SD card being not recognized or corrupted by phone devices are as follows:


SD card is physically damaged

Erroneous partitions in the File Allocation Table of an SD card:

as a result of failed file transfer (copy-paste or Ctrl + X)

system crash on your computer (sudden power off) or on mobile phone

Unknown reasons

How to recognize that your SD card is corrupted


Let’s list the typical symptoms of a corrupted SD card:

Photos and videos open incorrectly or fragmentarily

SD card cannot be read or is not recognized by the phone/PC

You get a message on your phone that you cannot save files on your SD card

SD card needs formatting but throws a message “SD card is not formatted, do you want to format it now?”

OS shows reading errors, doesn’t respond when you try to connect your SD card to the computer

How to repair corrupted memory card by command prompt


To fix a corrupted memory card you can use Command Prompt and chkdsk command; this utility is part of any Windows version.


How to use chkdsk to fix a corrupted micro SD card:

Open Run menu via Start or using hotkey Win + R.

Enter cmd

In Command Prompt enter chkdsk [drive letter]: /f /r

Press Y to confirm chkdsk




Keys in chkdsk:

Parameter /f – fixes errors on the memory card

Parameter /r – fixes corrupted sectors on the disk


Chkdsk has other check parameters which can be viewed using switch /? .


If you don’t want to use a console utility to fix a corrupted memory card, another way is GUI shell. It can be opened in the Explorer:

Start - Computer/This PC

Right click on the SD card drive – Properties

Tools tab – Check (now) button



As you can see, here you have the same options as in the console version of the utility.
SD card Tech