There is a hardware protection on the card itself. It's a little slider on the side. One way is protected, the other is not. Typically, having the slider up, towards the contact side of the card, is unprotected.
Using an SD card reader.
We all have phones, pen drives ,SD card but we cannot access them from anywhere. Cloud storage is one such technology which we can access from anywhere.
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You can only do it if u hav a Micro-SD card. You drag your music into the my_music folder, then its on your phone. This will not work if the song is old, and has the DRM lock on it.
"sanitary drainage"
How to remove media write-protection from card reader
There are many ways to remove write protection from a micro SD card. One is to put the card in the computer and use the program that way. Another is to put the SD card into the unlocked position.
If you are plugging the micro sd card inserted through a card adapter to your PC then all you need to do is just check and unlock the lock button to remove write protection.
slide the little tab on the side.
Looking at the SD card with the label facing you, and the 'cut off corner' to the top. There is a tiny slider on the left-hand edge of the card. Move the slider down to apply write-protection - and up to remove it.
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An SD card has a tiny write-protect switch on the case. If you hold the card with the cut corner to the left, the write protect switch is on the opposite side of the cut corner. Slide it towards the copper contacts to write-protect the card, and the opposite way to remove the protection.
Should be a small slider switch on the side of the card. Slide it uo.
If you are using it with the SD adaptor, the swith at the side marked lock is not to secure the micro sd card within the adaptor. This is the write protection. If you set this to the 'unlocked' position (up) then you should be able to write files onto it! very good thanks
slide up the thing at the right of the sd card.
There is a slider tab on the side. Move it to the write position. The slider has 3 positions; up, down and middle. I found up and down would not remove the write-protection. However the middle position worked like a charm. Hope this helps someone else.
Write protecting your SD card memory does not necessary guarantee a long lifespan.