Database Users

4 GB Mini SD durability poll

Hello all,
I used a 4 gb mini sd for around 4 months without any serious issues (soft reset fixed everything for me.) Then, out of nowhere, the card just became unreadable. Couldn't access any data from it and I couldn't even reformat it. Completely dead.
So I started poking around about 4gb cards and found (like I probably should have done before I bought the card) that the current mini SD standard stops at 2gb. These "4GB" cards are really 2gb cards that have been hacked and reformatted to 4gb. Now, apparently this works, but drastically shortens the card's shelf life. It is said that most of them die within a few months, if they last that long.
I just wanted to post a poll regarding this issue. Hope this is of interest to everyone.

psargent said:
Hello all,
I used a 4 gb mini sd for around 4 months without any serious issues (soft reset fixed everything for me.) Then, out of nowhere, the card just became unreadable. Couldn't access any data from it and I couldn't even reformat it. Completely dead.
So I started poking around about 4gb cards and found (like I probably should have done before I bought the card) that the current mini SD standard stops at 2gb. These "4GB" cards are really 2gb cards that have been hacked and reformatted to 4gb. Now, apparently this works, but drastically shortens the card's shelf life. It is said that most of them die within a few months, if they last that long.
I just wanted to post a poll regarding this issue. Hope this is of interest to everyone.
Click to expand...
Click to collapse
Well if what you are saying is true, then shouldn't the same apply to SD cards? I had used a 4gb SD card for 2 years in my Magician and Prophet without a problem...I think it was a Transcend.

Matterhorn said:
Well if what you are saying is true, then shouldn't the same apply to SD cards? I had used a 4gb SD card for 2 years in my Magician and Prophet without a problem...I think it was a Transcend.
Click to expand...
Click to collapse
I think it does apply to standard size SD cards too:
I looked at the Sandisk site and the only 4 gig cards that were being sold were listed as SDHC. Nothing on the official site over 2gb that wasn't high capacity. I was able to track down the Trancend card you were talking about from a reseller (and numerous other ones including Ebay) however, if you go to the official Transcend site you see that there are no standard SD cards in a 4gb size.
This leads me to believe that the info I have been reading regarding this is correct. If the manufacturers are really putting out 4gb cards, why are they not on their official websites?
But the point remains that these 4gb cards (hacked or not) do indeed work in the Trinity (as well as other devices.) It's just for how long that is the question. I just want to find out with what regularity these cards dying so we can judge whether or not it is a worthy risk to buy one and trust our precious data to it.
Matterhorn, I appreciate you relaying your experience with the 4gb standard SD card. Perhaps the hacking and reformatting is more stable in the standard size as compared to the mini version? Hopefully this poll will help us figure it out.

psargent said:
Matterhorn, I appreciate you relaying your experience with the 4gb standard SD card. Perhaps the hacking and reformatting is more stable in the standard size as compared to the mini version? Hopefully this poll will help us figure it out.
Click to expand...
Click to collapse
The label on the 4gb SD Transcend looks exactly like the official Transcend color scheme. The card itself is in blue plastic and the label is in vibrant colors with Transcend, 150x, and 4GB written on the label. I believe this is the same one http://www.newegg.com/Product/Product.aspx?Item=N82E16820208086. It also has a serial number stamped on the back. I really don't think it is a fake Transcend.
My Topram 4gb miniSD continues to faithfully work in my Trinity. I don't know anything about this ebay vendor, this link is just for info http://item.express.ebay.com/TOPRAM...320102528838QQihZ011QQtrZexpQQcmdZExpressItem. It came packaged like an authentic card, some others have no professional packaging. Perhaps it will give up one day, if it does I'll report it right away. I know there has been quite a few people stating that their miniSD cards have quit on them, which I'm sure is true, but I can't help but believe that the squeaky wheel gets the grease, meaning that people that have no problems with their cards are less likely to post results.

I've been using a 4gb card in my Trinity for about a month now.
Gave me a few problems with Media player at one stage. The MSME files for the library dissappeared and I couldnt get them deleted to fix the media library problem.
Put the card in my desktop reader and suddenly they appeared again!!
Since then - no probs. Have it well filled up with mixeded media and prog files.

Matterhorn said:
The label on the 4gb SD Transcend looks exactly like the official Transcend color scheme. The card itself is in blue plastic and the label is in vibrant colors with Transcend, 150x, and 4GB written on the label. I believe this is the same one http://www.newegg.com/Product/Product.aspx?Item=N82E16820208086. It also has a serial number stamped on the back. I really don't think it is a fake Transcend.
Click to expand...
Click to collapse
I know I sound like a conspiracy theorist, but this still doesn't account for why 4gb standard SD (non-HC) cards are not on the company's official website.

psargent said:
Hello all,
So I started poking around about 4gb cards and found (like I probably should have done before I bought the card) that the current mini SD standard stops at 2gb. These "4GB" cards are really 2gb cards that have been hacked and reformatted to 4gb. Now, apparently this works, but drastically shortens the card's shelf life. It is said that most of them die within a few months, if they last that long.
Click to expand...
Click to collapse
Wouldnt it stand to reason that if they were 2gb cards "hacked" to 4gb they wouldnt have the capability to store 4gb worth of data? What you are inferring is the "Tardis" effect. Bigger on the inside than the outside which to my knowledge is not currently possible. A bit like having a normal sized mini car with 7 MPV seats inside. I think is just a matter of intermittent hardware to hardware clash/incompatibility not a 2gb hack.
Must admit,have suffered from the card corruption syndrome for the first time in my life whilst using the M700 trinity.Talk about heart attack!!!! The thing that makes me think it is a hardware compatability issue is that I have used that same 4gb miniSD in my wizard variants,prophet variants,treo's etc for over 7months no stress. Hence I know the card is good (thanx mobymemory!)

4GB Problems
I bought a no-name 4GB miniSD cheap on ebay. It worked fine initially in my Trinity, but only took a few launches of TomTom to get corrupted - "no maps found" and hundreds of smiley faces in File Explorer. I was always able to reformat and start over, but soon got tired of that. Strangely the same card performed perfectly when used in an I-mate Jam (inside an SD adapter) or when in a card reader on the PC. I got rid of the card and got a Kingston 2GB and have had no problems since.
I just got more TomTom maps and am trying to decide whether to take the plunge again. Anyone got any positive 4GB stories?

gynkotek said:
I bought a no-name 4GB miniSD cheap on ebay. It worked fine initially in my Trinity, but only took a few launches of TomTom to get corrupted
Click to expand...
Click to collapse
So far so good, happens the same to me
gynkotek said:
Strangely the same card performed perfectly when used in an I-mate Jam (inside an SD adapter)
Click to expand...
Click to collapse
I do not have the Jam but tested on my XDAII and works perfectly!!
How can I format it?

well i have a 4gb trans. SD 150x it works in my other mp3 player now for a long time, but as far as mini i dont know
i got a topram atm and it seems like it worked for a format or 2 and died after didnt even get to use it in my pocketPC, sending RMA request now :/
i was really looking forward to hear more good news about the 4gb topram miniSD but i dont know atm

I think maybe the poll should be changed to include SDHC cards since that is a variable that is very important on judging the 4gb cards. SDHC cards work but are just not reliable yet in the current roms.

psargent said:
I know I sound like a conspiracy theorist, but this still doesn't account for why 4gb standard SD (non-HC) cards are not on the company's official website.
Click to expand...
Click to collapse
Now this is very strange:
Go to http://www.topram.com/
look at the picture in the middle right under "MiniSD" (orange background): The picture shows a 4.0GB MiniSD Card
BUT
If you click on the picture they tell you only the following cards do exist:
120X 2GB miniSD
120X 1GB miniSD
60X 512MB miniSD
60X 256MB miniSD
no 4.0GB MiniSD
What is this??????????
I tried very hard to find Matterhorns Card in Germany. No success. Simply cant find them. Not on any german online shop. Not in any real world shop. Very very strange.

saminegm said:
Now this is very strange:
Go to http://www.topram.com/
look at the picture in the middle right under "MiniSD" (orange background): The picture shows a 4.0GB MiniSD Card
BUT
If you click on the picture they tell you only the following cards do exist:
120X 2GB miniSD
120X 1GB miniSD
60X 512MB miniSD
60X 256MB miniSD
no 4.0GB MiniSD
What is this??????????
I tried very hard to find Matterhorns Card in Germany. No success. Simply cant find them. Not on any german online shop. Not in any real world shop. Very very strange.
Click to expand...
Click to collapse
Oh ye of little faith
I bought mine from an ebay shop. You won't find them in Germany because they are from Asia and they're not marketed here. It came in sealed plastic and looked very professionally packaged. As far as the web site goes...how up to date are half the manufacturers web sites on the web?...not very.
http://search.ebay.com/search/search.dll?from=R40&satitle=4gb+miniSD+topram&category0=

My 4gb SD Transcend card works perfect now that I have updated WM6.

mmone3 said:
My 4gb SD Transcend card works perfect now that I have updated WM6.
Click to expand...
Click to collapse
That's very good news. Thanks for that info!

good morning guys.
let me share some information i have about flash memory.
few month ago one big electronic shop in my ciy was offering usb flash disk of sizes up to 16 gb. in very cheap price.
alot of my frinds buy that memory.
after few days alot of them returen to the shop to exchange them becuse the memory damged.
some of them did not have anyproblem untile today !!!!!!!!!!!!!!!
the reason is .
these memory are just 4 gb memeory and haked to be like 16 gb.
so if u try to write one bite over 4 gb you will start write this bite over the first bite of card and you will damge the data on that bite. and maybe the card will not be usable again.
this hake is known to be used on other media before flash memorys.
it was used in some hard disk to foll consumers.
the same story here.
if u have a 4 gb Mini-SD . just try to put more than 2 gb and your data will be gone (bye bye bye). maybe the card will be not usable again .

hssona said:
good morning guys.
if u have a 4 gb Mini-SD . just try to put more than 2 gb and your data will be gone (bye bye bye). maybe the card will be not usable again .
Click to expand...
Click to collapse
This theory has been proven to be not true over and over again...search the forums.

hm, hello and from me..
I bought 4 gb minisd Albatron, and after 2 days, the card just stopped. I tryed to format it, but no success. The card just died. After that i read this topic and searched on the albatron site to find some mini sd 4 gb card, and i cant find... after that i exchange the card with 1 gb Kingston and since then - no problems at all.. And i think that this 4 gb minisd cards are really hacked and if you have luck - you may use it maybe 5-6 months.. but i really dont buy 4 gb card, until the manufacturer says that they have one.
Regards,

4Gb Topram mini SD - fine. I've used 2 of these and they have been OK.
2Gb Transcend mini SD - useless. Would corrupt in a few hours no matter what I tried.
1Gb O2 branded mini SD - fine.

I'm still using a generic 4GB card that I bought of EBay and its settling down fine after about 3 months use. although at times, it can be just about noticably slow.
I've had a lot of trouble with the card 'dissappearing' ow and again and the Media Player library going awol. However, the fix's for those problems are well published on other threads.
I purschased a Sandisk 4GB SDHC card hoping it might be a bit faster, th Trinity cant even see it!! So much for SDHC support.

Does anybody know this cheap 16gb SDHC?

http://cgi.ebay.com/16GB-New-Micro-...aphy_MemoryCardReaders_RL?hash=item2a037ccc95
Anybody?
I have read the description, and it says "Trans Flash" with "TF" sigle, What is it?
Is it the standard SDHC? Will it work well on my fuze? (I know that it is not a fast speed, maybe class 1, but I want to know about this transflash)
What is this transflash? is every SDHC transflash? if not, wich diference betwin them?
I am looking for buying a good speed also, Does anybody know this one below?
http://cgi.ebay.com/6t6z-TOPRAM-16G...C_Drives_Storage_Internal?hash=item518e6accd3
This is class 6, but in the annoucement says Trans Flash too, will it work on my fuze?
I wanna know if both these will work on fuze, because I am afraid of buying and loosing the item, please help me!

Kingston 16 GB class 2 works on my touch Pro like a charm ...

http://en.wikipedia.org/wiki/MicroSD
Appearently TF is the original MicroSD name.
Not sure you'd need a Class 6..., but it looks like it should work to me.

Be very carefull with cheap MicroSD etc Stuff from Ebay...
Especially from China!
This Ebayer is accused to manipulate the cards memory.
Because I fell for that "sosflash" memory hack stuff myself, I warn you.
Youll get a 2 or maybe 4 (if lucky) Gb MicroSD hacked to show 16Gb.

I brought a SanDisk card from Amazon a few months ago for £40

bloodyking said:
Be very carefull with cheap MicroSD etc Stuff from Ebay...
Especially from China!
This Ebayer is accused to manipulate the cards memory.
Because I fell for that "sosflash" memory hack stuff myself, I warn you.
Youll get a 2 or maybe 4 (if lucky) Gb MicroSD hacked to show 16Gb.
Click to expand...
Click to collapse
How do I tell if my MicroSD card is fake?

bloodyking said:
Be very carefull with cheap MicroSD etc Stuff from Ebay...
Especially from China!
This Ebayer is accused to manipulate the cards memory.
Because I fell for that "sosflash" memory hack stuff myself, I warn you.
Youll get a 2 or maybe 4 (if lucky) Gb MicroSD hacked to show 16Gb.
Click to expand...
Click to collapse
How do I tell if my MicroSD card is fake?

Don't buy memory cards from ebay...unless its a greally good seller. And you can tell a card is fake with the crappy writing on it. Cant find one for microSD but heres one for MSProDuo: http://www.gogetbuy.com/images/article/Fake_2gb_sony.jpg. You could clearly see by how the letters are printed.

I have bougth one of this on ebay, I hope it works as 16gb SD card, I will test it before feding back the user, when I was reading his feedbacks, I noted every of them and I saw that it was in the most positive, but if it dont work as 16gb I will f**** his feedbacks, explaining his frauds.
Hope everything works good, I dont want problems
hehe
Thank you all.

http://sosfakeflash.wordpress.com/
Just read there.. I fell for it too <.<
Bought a "cheap" 16 Gb MicroSD from Ebay. Afterwards I tried to get some movies and music on it. It simply gives you an error if it gets over 2Gb content!
No wonder, 16 Gb MicroSD arent cheap or common in china! Its the other way around!
So I spend around 20US on a fake 16Gb card.
That sucked. This fraud is often used for cheap MP3 player too.

I have PQI 16GB class 2 its working wery good

I think I just fell for the exact same thing. It hasn't even gotten here yet.
Is there anything I can do? I'd like to get my money back for pride's sake, but I also want to do whatever I can to get back at the seller.

Ordered my Focus!!! - Micro SDHC Question

I ordered the Samsung Focus with Amazon Wireless for one penny and a two year contract with AT&T! Couldn't be any happier with that.
Anyway, I ordered a case:
http://www.amazon.com/gp/product/B00495YF8A/ref=oss_product
And a screen protector (I know it's tough to scratch but eh, why not. Lol)
http://www.amazon.com/gp/product/B003F8C1GK/ref=oss_product
So I've been thinking about how much memory is on the phone. 8GB is nice but I will want to put a few of my 720P movies onto the Focus. I figured I could get 8B Micro SDHC (Class 10) and it would make it, 16GB. That's pretty decent, right? I think it will hold me over... Lol.
I did some research and I get the higher the class, the higher the write speeds. Right?
Well, what do ya'll think of this one?
http://www.newegg.com/Product/Product.aspx?Item=N82E16820220493
Thanks in advance everyone!!!

8gb is good enough for me....for now! Ill be buying a 16gb card soon enough tho because everytime you change the sd card you have to do a full reset on your phone, so id rather just do it now and get it all over with. So, what im trying to tell you is just get yourself a 16gb card if you going to be adding 720p movies...that way you wont really need to worry about changing the card later. As for the class...class 10 is unnecessary....class 2 has been proven to be VERY sufficient in the focus...even class 4. I had a class 6 and now I have a class 2 and there is NO difference in performance on my focus. Anyways, as for sd cards, be careful because some aren't working properly....I would say your safest bet is buying Sandisk...since thats what Samsung is using in the focus for memory right now.
Hope this helps!

Mr Patchy Patch said:
8gb is good enough for me....for now! Ill be buying a 16gb card soon enough tho because everytime you change the sd card you have to do a full reset on your phone, so id rather just do it now and get it all over with. So, what im trying to tell you is just get yourself a 16gb card if you going to be adding 720p movies...that way you wont really need to worry about changing the card later. As for the class...class 10 is unnecessary....class 2 has been proven to be VERY sufficient in the focus...even class 4. I had a class 6 and now I have a class 2 and there is NO difference in performance on my focus. Anyways, as for sd cards, be careful because some aren't working properly....I would say your safest bet is buying Sandisk...since thats what Samsung is using in the focus for memory right now.
Hope this helps!
Click to expand...
Click to collapse
Well, if I put a 720P movie on there, I'll just delete it once I'm finished watching it. Not going to have more than a few gigs of music too. So 8GB is good for me. Obviously once you put a movie on there you can delete it and get your memory back, correct? Sounds nooby but just double checkin... Lol. The higher the class the faster it gets on the card, right?

sd card
i got a sandisk 16g class 4 from radio shack cost about $34, had it in since two weeks before christmas.... loaded it almost full, empted most of it out loaded and unloaded stuff, havn't had any problems so far....... been running strong and just as fast as without the card...

xThe Enforcer said:
Well, if I put a 720P movie on there, I'll just delete it once I'm finished watching it. Not going to have more than a few gigs of music too. So 8GB is good for me. Obviously once you put a movie on there you can delete it and get your memory back, correct? Sounds nooby but just double checkin... Lol. The higher the class the faster it gets on the card, right?
Click to expand...
Click to collapse
correct...once you delete things you get your space back. I didn't notice much difference in transfer speed between my class 6 and class 2. So if you can, just save yourself the money and get class 4. There was an article I read somewhere that a higher class can actually make performance worse on the phone. Don't know how true it is, but class 2 has been perfect for me. No difference anywhere.

You need too spend some time reading this thread before buying a microsd card:
http://forum.xda-developers.com/showthread.php?t=834144&page=3
Determining whether an SD card is Windows Phone 7 compliant is not a simple matter of judging its speed class. Several other factors, such as the number of random read/write operations per second, play a role in determining how well an SD card performs with Windows Phone 7 devices.
Click to expand...
Click to collapse
http://support.microsoft.com/kb/2450831
A higher speed class can actually work against you because sometimes the maker sacrifices random operations for speed.
You can either wait for official "windows phone 7 certified" cards or take your chances. Read the first post carefully, especially the most recent posts. I personally have been using a 16gb Samsung card with no problems. Caveat emptor.

Sweet, thanks for the info.
This one looks promising...
Patriot Signature 16GB Micro SDHC Class 4 Flash Card Model PSF16GMCSDHC43P
http://www.newegg.com/Product/Product.aspx?Item=N82E16820220524
If you read the feedback, nothing but positive reviews.
"Pros: Very good price to performance ratio. Works with the Samsung Focus. Good read write speeds.
Cons: None
Other Thoughts: Not sure why some say negatives about the speed of the card. Maybe they got a bad one, but this tested out at just under 4.5gb write speeds. I had been using a Sandisk class 2 card with my Samsung Focus, but it would do some random rebooting and crashing. With this card it has been absoulutly perfect for over a week of use. I have 15gb of music and photos on the phone so I know that I am using the memory card along with the 8gb that is onboard with the phone."
Kinda sold on this... Should I do it?!?!?!?! Buy it right now?!?!! lol

This is pretty much what I was asking in another thread. I want to go with a 32GB card as I don't want to go through hard reset if I ever need more memory later on.
What is a good 32GB tmicroSD card hat works with Focus with no issues? I would like name of manufacturer, class and even the part# so I can source locally (go to store or order online).
Thanks.

No lie, you're going to spend a lot of $ and 32GB is overkill.

PaullikesWINMO said:
This is pretty much what I was asking in another thread. I want to go with a 32GB card as I don't want to go through hard reset if I ever need more memory later on.
What is a good 32GB tmicroSD card hat works with Focus with no issues? I would like name of manufacturer, class and even the part# so I can source locally (go to store or order online).
Thanks.
Click to expand...
Click to collapse
like I said before class 2 or 4 and Sandisk would be your safest bet.

smuook said:
You need too spend some time reading this thread before buying a microsd card:
http://forum.xda-developers.com/showthread.php?t=834144&page=3
http://support.microsoft.com/kb/2450831
A higher speed class can actually work against you because sometimes the maker sacrifices random operations for speed.
You can either wait for official "windows phone 7 certified" cards or take your chances. Read the first post carefully, especially the most recent posts. I personally have been using a 16gb Samsung card with no problems. Caveat emptor.
Click to expand...
Click to collapse
thank you for posting that.

Cool, will do. Thanks

Might one of you be able to supply the MFG Part# of the working 32GB microSD cards you have ?

Patriot 16GB Class 4 working PERFECTLY!!!

Mr Patchy Patch said:
like I said before class 2 or 4 and Sandisk would be your safest bet.
Click to expand...
Click to collapse
No sANDISK 16 GB class 2, THAT doesnt work, read the thread before you advise

jaraya13 said:
No sANDISK 16 GB class 2, THAT doesnt work, read the thread before you advise
Click to expand...
Click to collapse
you dumbass! I've been using that for about 2 weeks now without problems....dont tell me it doesn't work!!!

Mr Patchy Patch said:
you dumbass! I've been using that for about 2 weeks now without problems....dont tell me it doesn't work!!!
Click to expand...
Click to collapse
LOL, 2 weeks, that's a lifetime. I am so going to laugh when it starts giving you troubles.
I see you have never read the whole thread: http://forum.xda-developers.com/showthread.php?t=834144&goto=newpost
In that thread you'll see that around 7 guys with that MicroSD had multiple problems with that card, including myself.
Good luck with that L!

Mr Patchy Patch said:
you dumbass! I've been using that for about 2 weeks now without problems....dont tell me it doesn't work!!!
Click to expand...
Click to collapse
After reading the large thread on compatible cards above, it seems the real test is if you've loaded over 8GB of data onto the SDHC card (or over 16GB total in your case) and don't experience any problems. If that's the case then that's awesome (and it also sadly verifies the fact that no one knows which brand of card really works than the Sandisk 8GB Class 2, which is mentioned in the official instruction manual).
To the OP, I've stuck with the 8GB Sandisk. I considered the OEM version for $12 USD available on Amazon but decided against it, and went with the retail packaged version, which I got at Radio Shack for $20 USD. 14 or so GB will be good enough until the official certified ones are announced.

well ill just refer to him as mr arse... but mr arse is partially correct.... mine was stable up to 15gb then after that it went downhill fast.... so give the dude a bit of a break....

Has anyone seen any OFFICIAL announcement that there will be APPROVED cards for WP7. I know that Sandisk tried to pull a fast one and say their's were approved but then pulled them. Is MS even allowing such a program?

Micro SD cards weird issue

I've just experienced a weird issue with the SD cards.
So whats happen.
After I started to use Android on my HD2 my 8GB Kingston Class4 SD card just get a bit small. So I decided to buy some bigger one. First I bought a 32GB unbranded micro SD but soon I found that HD won't take that much so I sold it straight away.
Than I've looked around here on XDA and I found that so many guys using 16GB without probs.
So I bought another SD this time 16GB unbranded ( to keep the cost low) Class10 what's probably fastest at the moment.
I backup my old 8GB card ( just copy all content into my comp ). Than copied all content onto new 16GB card and sticked it into HD2. I thought all should work without any probs but it wasn't.
Phone was really slow, unresponsive, many fc.
OK I set its just need to flash the ROM again so I deleted content of .data folder and did a fresh clean flash with all caches wiped. I thought after this it have to be OK but again it wasn't.
So I started to be a bit worried by that time than I decide to buy another 16GB card but this time I spend more and I bought a Kingston 16GB Class4 ( same brand and class like my old 8GB ). That was for sure it will work 100% if my old works fine. And many people using 16GB, also one of my friends got 16GB SanDisk with Jaws MIUI ( I flashed it for him ).
So today I received that new 16GB Kingston Class4.
I did the same again - backup/restore all content and surprise *** NOT GOOD again; slow, unresponsive, fc's
So reinstall again and surprise *** NOT GOOD again; slow, unresponsive, fc's
I've almost rip of all mine hair (I mean the few bits whats still there )
So after all of this I came out with the last chance idea....
To do total wipe - thats included
- delete all data from the card
- flash stock Winmo ROM
- flash latest MAGLDR
- flash latest CWM Rec.
- flash latest Jaws MIUI
.......
.......and surprise *** All is OK, the SD is working just fine, finaly
So weird and I don't understand this.
I know this was probably long reading post but maybe someone have an explanation for this or some one have a same issue like me and can use this like a last help.

Where did you buy the card from? The market is flooded with low quality counterfeits, so always buy good brand from reputable source. I always buy sandisk, and never had a problem.

well normally I buy a Kingston or Sandisk. This was a first time I get unbranded cards but anyway at the and it wasnt caused by card quality cos this Kingston didn't work, only after I've done all that steps all is OK.
zarathustrax said:
Where did you buy the card from? The market is flooded with low quality counterfeits, so always buy good brand from reputable source. I always buy sandisk, and never had a problem.
Click to expand...
Click to collapse

I have the same issue with Kingston 8GB Class 4 SD card, it is very slow, unresponsive and sometimes it doesn't come back from lock screen... i have to restart it... right now i am using Scandisk 4GB Class 2 card, it is OK but my phone heats up pretty quickly...
How can i resolve the heating issue... any idea?

Well, Kingston re-brands their SD Cards, so you never know what you're getting. I have a few and you can just pull the "Kingston" labels off to see what the original manufacturer is, and often thats just another rebrand anyway. I'll assume they do the same with their Micro SD cards.

maybe its a fake card
If u want to verify your card genuine or not, go to fake-memory.com,
u can download some tools over there.
your card might be ok today, but once its near full, you will see weird thing happening again, I also bought OEM card. (unbranded)
lucky my "32GB" is really a 1GB, so I spot it early.
Just get refund from seller through ebay.

I would have think about the SD also. But due to the solution you apply, I think now about a corrupted file somewhere. Maybe at a low level of your NAND.
That's just a thought (so maybe not so helpfull).
We play sorcerers with our phone... so I'm not surprized this happens.
I also have a corrupted SD few times. The validation processes are important and I don't think we can do the same as manufacturer on this point.
As the first level loader is never touch we can't brick our phones but this is the price to pay. DO NOT PUT VITAL DATA WITHOUT BACKUP IN YOUR PHONE !

rikardo1979 said:
well normally I buy a Kingston or Sandisk. This was a first time I get unbranded cards but anyway at the and it wasnt caused by card quality cos this Kingston didn't work, only after I've done all that steps all is OK.
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Click to collapse
What I meant was where did you buy your kingston from? Kingston cards counterfeited alot. Kingston is also known to sell many low quality or defective cards. Kingston doesn't do any of their own manufacturing... they just rebrand cards, so many times they get bottom of the barrel cards. I won't buy kingston anymore after I did some research. Sandisk actually owns their own factories and create the chips they sell... they probably keep all the good ones for themselves and sell the bad quality or defective ones to kingston. I really don't understand how kingston is known as a good brand-name, because they shouldn't be. Buy sandisk cards from a reputable seller.

I got 3 micro cards
1. adata 16gb class 10
2. pqi 8gb class 6
3. sandisk 8gb class 2
All cards are without any errors and works with WM6 well. Unfortunatelu on Android with ext partition isnt so good.
There is no single rom using ext partition and working well on my class 10 card!!!
On PQI some works ok, some not
And on Sandisk every rum is running without errors.
What's going on? Ported android to HD2 probably is not 100% compatible with HD2 card reader ;-((((

I thought all is OK.well it was a day and now im back to sh*t.phone its slowing down,sometime cant wake up from lock screen or have to wait 30 or more seconds. i dont know whats the problem. looks like i have to sell my card and buy another one.this time i go for Sandisk but 100% genuine. its gona be expensive but what else i can do :-(
Sent from my HTC HD2 using XDA App

rikardo1979 said:
I thought all is OK.well it was a day and now im back to sh*t.phone its slowing down,sometime cant wake up from lock screen or have to wait 30 or more seconds. i dont know whats the problem. looks like i have to sell my card and buy another one.this time i go for Sandisk but 100% genuine. its gona be expensive but what else i can do :-(
Sent from my HTC HD2 using XDA App
Click to expand...
Click to collapse
Maybe you have tried before...
Why don't you try another build before buying another SD? This at least will cost nothing. Just to be sure.

it seems we're all agree to say that Kingston sucks...

cheers.
I've already tried and its same. Its definitely a card issue.
Damn, I have to buy another one, 4th card in week or twoo
will see, hope die last...
truc007 said:
Maybe you have tried before...
Why don't you try another build before buying another SD? This at least will cost nothing. Just to be sure.
Click to expand...
Click to collapse

[Q] micro sdhc 16gb

I have two 2gb micro sd cards and recently purchased a 16gb micro sdhc. They all read fine in my a500, but the 16gb gets fire hot after just a short time (~60 secs) and the two 2gb cards keep at a nice temp. Is this just a bad card or an issue with my tab? Any ideas?

n1nj4dude said:
I have two 2gb micro sd cards and recently purchased a 16gb micro sdhc. They all read fine in my a500, but the 16gb gets fire hot after just a short time (~60 secs) and the two 2gb cards keep at a nice temp. Is this just a bad card or an issue with my tab? Any ideas?
Click to expand...
Click to collapse
That's odd, they shouldn't get more than luke warm at worst. Could well be a short circuit in the card. If possible go and try another similar one or try the card in another device and see if the problem persists.

If it's an option, return the 16 for an exchange and test the new one before you leave the store. What brand is it?

WereCatf said:
That's odd, they shouldn't get more than luke warm at worst. Could well be a short circuit in the card. If possible go and try another similar one or try the card in another device and see if the problem persists.
Click to expand...
Click to collapse
Thats what i was thinking. I felt the top of my a500 getting hot and when i opened the sd slot i burned my fingers getting my card out.ill be returning it tomorrow.
muqali said:
If it's an option, return the 16 for an exchange and test the new one before you leave the store. What brand is it?
Click to expand...
Click to collapse
I purchased it from walmart, so ill see what they say at customer service about checking it before i leave.
Its made by sandisk.

Worst case take your tablet with you and just test it in the car after you buy it. Does the same thing, walk back in and exchange it. Sandisk is a quality brand, so if you get 2 in a row doing it it's bad luck. Maybe try a different Wal-Mart or a PNY card.

It IS possible - I have a class 10 here that gets hot when i transfer a large number of files (or 1 big file) to it.
It's doing that at about 44Mb / sec, maybe it's just that the speed, like with a CPU, is causing the heat build up??

Fluffbutt said:
It IS possible - I have a class 10 here that gets hot when i transfer a large number of files (or 1 big file) to it.
It's doing that at about 44Mb / sec, maybe it's just that the speed, like with a CPU, is causing the heat build up??
Click to expand...
Click to collapse
No sadly, i just tested it again, i rebooted my tab and put the card in, within 15-20sec i pulled it out and cou;d barely touch it. Im taking it back this morning so ill let everyone know what happens

yeah, that's waay to hot - mine gets warm, not that hot!

Something is wrong
I use my MicroSD slot on my a500 often - it never gets anything more then slightly warm to the touch. Would consider returning your a500 if possible - assuming you have tested a few diff brands/sources of MicroSD card.

I returned it with no problem, I bought a pny this time, little more expensive but so far I haven't had any problems, it's at a normal unnoticeable temp

wan the card working in that state..?

shaun298 said:
wan the card working in that state..?
Click to expand...
Click to collapse
I thought it was... i saved a picture on it and removed it, put it in my phone, which gave me an error that it was unreadable, then i tried it in the tab again and it was empty, so no. But my new one works great, ive checked it a few times today and it hasnt been hot at all. This one im using now is a class 4

"I returned it with no problem, I bought a pny this time, little more expensive but so far I haven't had any problems, it's at a normal unnoticeable temp" (forgot to hit the quote button, damn it!)
It's possible in had some sort of short or shunt inside - you might have found that you would not be able to put a full 16G or whatever on it. (like one of the fake ones off EBay..)
Glad to hear you got it all fixed though.

Fluffbutt said:
you might have found that you would not be able to put a full 16G or whatever on it. (like one of the fake ones off EBay..)
Click to expand...
Click to collapse
I just had one of the chinese fakes sent to me from this Finnish EBay-like site, though the seller himself didn't know either that they were fakes. I actually could copy as much stuff on the card as I wanted, but only the first 1 Gigabytes was actually working; the firmware on it had been modified to just update the FAT32 header but ignore all the data Neat trick and would easily fool anyone less-knowledgeable.

WereCatf said:
I just had one of the chinese fakes sent to me from this Finnish EBay-like site, though the seller himself didn't know either that they were fakes. I actually could copy as much stuff on the card as I wanted, but only the first 1 Gigabytes was actually working; the firmware on it had been modified to just update the FAT32 header but ignore all the data Neat trick and would easily fool anyone less-knowledgeable.
Click to expand...
Click to collapse
Yea, the chinks are crafty these days. You'd think for all the work they gotta do to hack and make the card look like 16GB they'd just make a real damn 16GB card.

muqali said:
Yea, the chinks are crafty these days. You'd think for all the work they gotta do to hack and make the card look like 16GB they'd just make a real damn 16GB card.
Click to expand...
Click to collapse
You gotta think side-ways - with cheap 8/16/32 gig cards out now, they probably have ****-loads of 1/2/4 gig cards sitting around.
It's only a minor bios or spd module flash to make it think it's 8 or 16 Gig, then they sell is as such.
Gets rid of all the wasted 1/2/4 gig cards AND makes them money!