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I've been using an old 1G card in the interim and it has worked flawlessly. I'm going to assume this new card will work fine - it's class 2. If there's anything to report, I'll check back in. I sure hope not though. Thanks for all the work everyone - it was a great team effort. Thanks especially to Jsourp. 
Same error... "Please insert an SD card." Or, for music files, "The player does not recognize this file type." Once I take out the SD card and reinsert it, it works for a few hours. ...calling HTC. 
How could i tell if i've a class 6 or a class 2 micro sdhc? I bought a 4 gb sandisk FROM WALMART and it's giving me this same problem... I'm not able to use the camera,camcorder or listen to music. Sometimes i'm just able to listen to music but not able to use my camera. Is this just an issue with the sdhc cards or with the phone itself?
Thanks gwcaton, its much appreciated... But is this an issue with the sdhc cards or the phone itself?


♥ll;1521933 said:Since this last post was a few months ago, has anyone had any resolution that has permanently worked? I got my phone in April and had the same problem since about 2 weeks after I got it.
I've gone through all the steps: new SD card from HTC, did the factory data reset, etc. Just got a new phone from T-Mobile.....and the same thing is happening!
I LOVE my phone, but am going crazy with this SD card issue.
Please help! I'd appreciate it.![]()
after he sent me one and got that error and he thought I was faking on him and didn't want to send it. This IS good informational help. I just purchased MyTouch 3g with the 8 gig card and I've been having this problem with my music, camera, video, etc. I haven't called yet, but will. I think the bottom line is to call with the reference number and wait for another SD card. Thanks alot to everyone!!