MicroSD formatting problem

jaysus

jaysus

jaysus

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Joined
25 Dec 2009
Posts
442
Recently bought a 128GB Samsung microSD card ready for use in an Android phone. I formatted it (exFAT) and then ran it through H2testw although I didn't really know what I was doing with it.

I've now tried using it in the phone and it tries formatting and gives up, and doesn't then recognise it until I restart.

So I've just tried formatting it again in Windows. After two hours it pinged up, "Windows was unable to complete the format." Following a guide I came across I used diskpart to clean the card, then opening Disk Management was faced with the card concerned - 119.73GB exFAT Healthy (Primary Partition) and 16MB unallocated. On selecting the Primary Partition and attempting to (quick) format it immediately pings up unsuccessful. Doing a normal format the same route throws up the same problem.

I've tried to format in diskpart too and it won't work either.

The phone supports 128GB cards btw, and I've had the PC load others without issue too.

I'm out of my depth here. What do I need to do?
 
sounds like an ebay special to me, in which case its fake, I brought 2 64gb supposed Samsung sdcards off ebay and both had the problem you describe, sent them back.
 
jaysus said:
Bought from Amazon. Will send it back then, cheers.
Click to expand...

Amazon is worse than Ebay for fake cards. There is one particular pendrive with 9000+ reviews. 7000+ 5* reviews of people receiving a good one and 500+ 1* reviews with comments of fake drives.
I would say buy them off a reputable company like OCUK but I looked today and all there 128gb+ drives are out of stock.

SD cards I tend to go for Samsung ones but even those have fakes. I did find a good indication that if on the card it says made in Taiwan its a good one if it says made in China its fake.
 
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