[Q] Should I give WP7 a go? For the second time. - HD2 Windows Phone 7 Q&A, Help & Troubleshooting an

Goodnight/Good morning my fellow XDA-ers!
Okay so I have a USA T-Mobile HD2 I installed WP7 the day after it was released by DFT but the day after I was forced back to WM6.5 due to the SD card issue, my device was constantly restarting every 15-ish minutes. I was wondering if anyone has any experience running WP7 successfully on their HD2's for a decent amount of time with a specific card. I'm willing to purchase one of these cards as I want to get away from WM6 as soon as possible, but I really want to know if the card will work!
What I'm looking for is a 16Gb card that works. So if you have purchased a 16GB micro SD card that has been working flawlessly with your HD2 for some time now, please chime in, and please include a serial number as I want to get the exact thing!
Thanks for your time.

WoodbineG said:
Goodnight/Good morning my fellow XDA-ers!
Okay so I have a USA T-Mobile HD2 I installed WP7 the day after it was released by DFT but the day after I was forced back to WM6.5 due to the SD card issue, my device was constantly restarting every 15-ish minutes. I was wondering if anyone has any experience running WP7 successfully on their HD2's for a decent amount of time with a specific card. I'm willing to purchase one of these cards as I want to get away from WM6 as soon as possible, but I really want to know if the card will work!
What I'm looking for is a 16Gb card that works. So if you have purchased a 16GB micro SD card that has been working flawlessly with your HD2 for some time now, please chime in, and please include a serial number as I want to get the exact thing!
Thanks for your time.
Click to expand...
Click to collapse
Just recently purchased a Sandisk 16gb card. Works flawlessly. No crashes, hangs, resets or whatsoever.

AAARRRGGHHH!!!!
how many times do a few others and myself have to tell people this!!!
no two cards are alike, you could buy two identical cards and one might not work, there is no "working card list"
Statistically you will have better luck with a class 2 or a class 4, ive personally had better luck with sandisk class 4
but that is it, its just luck

I've been running mine flawlessly since the first rom (now on my second) on my HD2. I'm using the stock 16gb SanDisk that came with the phone. Indeed it is "luck of the draw" but most people I've talked with and/or flashed for others have had no problems with the stock sd cards.

dazza9075 said:
AAARRRGGHHH!!!!
Click to expand...
Click to collapse
Alright my man no need to freak out. I guess this isn't the thing for me since I don't believe in luck and I don't feel like wasting my money.
Thanks to the others for your replies.

I like you had the same problems with a few SD cards. I remembered seeing a post going back about Sandisk selling SD cards as being HD compatible. So I did a search and found the cards and their model numbers, bought one and have had no problems at all, no lag and WP7 runs perfectly!
http://www.mobiletechworld.com/2010...mpatible-micro-sd-cards-certified-by-sandisk/

mickfarr said:
I like you had the same problems with a few SD cards. I remembered seeing a post going back about Sandisk selling SD cards as being HD compatible. So I did a search and found the cards and their model numbers, bought one and have had no problems at all, no lag and WP7 runs perfectly!
http://www.mobiletechworld.com/2010...mpatible-micro-sd-cards-certified-by-sandisk/
Click to expand...
Click to collapse
Yeah, the class 2 sandisk with serial ending in A11M were called wp7 certified by sandisk for about a day before they pulled that certification. What dazza said is true... at the moment, card makers don't test their random access speeds and don't keep them consistent enough batch to batch to guarantee any specific card will work. Sandisk makes very high quality cards and I think you're best chance of getting a card that works is to go with class 2 or 4 sandisk. I have few Sandisk class 2 cards ending in A11M... 1 8gb, 2 16gb, and 1 32gb. All work... All work flawlessly except for 1 of the 16gb cards, which give a little lag, but no resets or anything like that. After testing, the access speeds are very different on the 2 cards, even though they are the same brand,class, and model number. Were even bought from same store, but 6-9 months apart.
So yeah, if you want to try wp7, go for a class 2 or 4 sandisk. It will most likely work... but there's no 100% guarantee. But sandisk has good warrantee... if in the rare case it doesn't work, tell sandisk it's brok or something and try to get them to send a different one.

zarathustrax said:
Yeah...
Click to expand...
Click to collapse
Thanks a lot my man.

I got a Sandisk Class 4 at radio shack (good sale at the time) and it works perfect. Not a single hicup.

I am using the original class 2 16GB card that came with my HD2 and it works flawlessly.

Related

Maximum GB that works smoothly in Elf..

Hey guys, I tried to search about this topic in the forum but I don'y anything about it or was it just already in pit of the forum?
Anyways, I would like to ask the maximum capacity of memory card for Elf(in)? I am planning to buy a micro-sd and I just want to buy the best available.
Does it support SDHC memory cards? And also, does using a large GB of memory presents a risk on my device to be brick when time goes on?
Thanks for the help guys!
d1srupt3r said:
Hey guys, I tried to search about this topic in the forum but I don'y anything about it or was it just already in pit of the forum?
Anyways, I would like to ask the maximum capacity of memory card for Elf(in)? I am planning to buy a micro-sd and I just want to buy the best available.
Does it support SDHC memory cards? And also, does using a large GB of memory presents a risk on my device to be brick when time goes on?
Thanks for the help guys!
Click to expand...
Click to collapse
I have 4gb micro sdhc and it works fine. I have heard that 8GB won't function properly after a while. But I am not a genius
SanDisk 8GB
I've been working with a SanDisk 8GB MicroSD HC for about 4 months now, and still have had no issues...
And that goes without saying that I think It's a fake SanDisk, because of the packaging.
Have an 8GB SanDisk on my Elfin. Works great.
@vette95: Good to hear that! Thanks for responding..
@htedum: how long have you bean using your 8gb micro-sd? Haven't experienced any problem yet? Any slow down or hangs?
i've been using 8gb in my elf for over a year and did not ever have any issues or hangs so i would recommend it.
just my 2 cents
Wow! Thanks bro for the feedback! Will buy 8gb now.. hehe..
Been using it for two weeks now; no problems at all. I've overclocked to 273 using HomeScreen, maybe that helps. Loaded up 6G worth of music and 1G worth of movies. Installed PocketPlayer (and TCPMP for movies), and I have a slick, portable media player. Battery life isn't bad at all, but I've ordered a 2500mAh replacement, waiting for that to come in.
A tip - be sure to pick up an original, name-brand card, even if you have to pay more. A lot of fakes going around, they may slow down your phone.
@vette95: No problems with your fake?
I've been searching google how to detect fake micro-sd but unfortunately the only info I got was to make sure the serial of the memory is readable and also try to call on the manufacturer and confirm the serial. Of course, I cannot do that when I am in the store, to check each items and call them. LOL. So do you know other ways how to know it if it is genuine?
The best bet would be to avoid ebay and the like; that's where most of them are floating around. Since you're buying retail, you should be pretty safe, since you can go right back to the store if you discover that it's fake.
From what I've read, there's also the issue of classes; best pick up class 6 or at least class 4. Class 2 will be slow.
htedum said:
The best bet would be to avoid ebay and the like; that's where most of them are floating around. Since you're buying retail, you should be pretty safe, since you can go right back to the store if you discover that it's fake.
From what I've read, there's also the issue of classes; best pick up class 6 or at least class 4. Class 2 will be slow.
Click to expand...
Click to collapse
Also check the packaging. Check if the fonts are printed alright and not fading or anything.
I have already bought a 4gb sdhc class 6 kingston micro-sd. There is no 8gb available in store so I decided to just go with 4gb and just upgrade when I need it. It was fast and I guest it is not fake(though I'm not sure). Thanks for the advice guys. I hope this will also be helpful for people who are planning to upgrade memory.
As far as I know, Transcend and Sandisk are the brands that are flooding in the market which are fake so I really looked for other brand. Fortunately I found one and it is made in Japan(the fakes are made in China written at the back of this brands) so I'm little confident with the memory I bought. hehe..
ive been using an 8gb card too for awhile now on my elfin. just got my 16gb card last month and havent had a problem yet. everything runs very smoothly.
i have 8GB V-gen and running well until now...
8gb
i´ve used a 8gb sdhc since a month without problems...it runs smoothly...
I bought a 16 gb sandisk sdhc. It didn't even register regardless of what drivers I installed on my phone.

[Q] Right SD Card for WP7 ?

Hey Buddies from all over the world....
Flashed WP7 on HD2 with the original SD-Card, which came along with HTC's HD2,
so far, so fine....
Tried the same with my Kingston 8GB SDHC, but WP7 won't be flashed....everything is soooooooooo slow and I have the feeling that the flash process gets stucked...
So, how can i formate this SDHC to be compatible with WP7 ?
Mordanius said:
Hey Buddies from all over the world....
Flashed WP7 on HD2 with the original SD-Card, which came along with HTC's HD2,
so far, so fine....
Tried the same with my Kingston 8GB SDHC, but WP7 won't be flashed....everything is soooooooooo slow and I have the feeling that the flash process gets stucked...
So, how can i formate this SDHC to be compatible with WP7 ?
Click to expand...
Click to collapse
Try sdformatter. Then inserted into the phone and do a full reset.
its worth pointing out that there is no "right" SD card that will work, well there is but not using a method other than buy and try.
Even within brands the cards may be different, just because one bloke gets it working doesnt mean you will with yours. I have 2 2GB Sandisk class4 bought on the same day at the same store, identical, one works one doesnt, i hve a 4GB Kingston that wont but the 8GB does.
Its a bit of a lottery im affraid, im sure folk will disagree but from my point of view i wouldnt go spend a fortune on a card that maybe useless, if you dont mind burning money or have another use for it then get whatever but just edge on the side of caution!
try re-formatting your sd card, if problem still happens then it's your sd card and you need a new one.
dazza9075 said:
its worth pointing out that there is no "right" SD card that will work, well there is but not using a method other than buy and try.
Even within brands the cards may be different, just because one bloke gets it working doesnt mean you will with yours. I have 2 2GB Sandisk class4 bought on the same day at the same store, identical, one works one doesnt, i hve a 4GB Kingston that wont but the 8GB does.
Its a bit of a lottery im affraid, im sure folk will disagree but from my point of view i wouldnt go spend a fortune on a card that maybe useless, if you dont mind burning money or have another use for it then get whatever but just edge on the side of caution!
Click to expand...
Click to collapse
You're completely right... there's no guarantee that any particular sd card will work. Manufacturers don't rate the random access speed and they don't keep it consistent. One batch of the same may work while another batch made the next day may not work. Sandisk class 2 and 4 seem to most consistently work... no kingston has worked well for me yet, but 7/8 of the sandisk class 2 and 4 cards I've tried has... the one sandisk card that didn't work well was a 16gb class 2, but I have another 16gb class 2 sandisk with same model number that works great.
i cant find it just now, but there is a list somwhere of all the different types of cards over several brands that some chap managed to get, stacks of data for each card, and its shocking what the companies get up to, it "appears" in somecases, main stream branded cards may infact be cheap rip offs, im not talking dodgy Ebay sales here im talking propper branded cards may infact be rebranded tat. for that reason im happy with the card i have, its slightly smaller than i would like but i dont have another use for a large card so im buggered if im going to folk out for a tiny wee paper weight if it doesnt work.
Mordanius said:
Hey Buddies from all over the world....
Flashed WP7 on HD2 with the original SD-Card, which came along with HTC's HD2,
so far, so fine....
Tried the same with my Kingston 8GB SDHC, but WP7 won't be flashed....everything is soooooooooo slow and I have the feeling that the flash process gets stucked...
So, how can i formate this SDHC to be compatible with WP7 ?
Click to expand...
Click to collapse
I bought TEAM SD CARD (CLASS 6) 16 GB ... EXCELLENT PERFORMANCE ... PHONE ABSOLUTELY FLIES ... and I experience 0% restarts 100% compatibility.....
Regards
Al
Guys,
Maybe it will be helpfull for smbd as well. I have a Sandisk 2GB card (which was included when I buy the phone) and it was incompatible several times I flashed Windows Phone 7. But when I formatted it with FAT system (not FAT32), looks like this helped - using now several days without any restarts

ZDNet Article Claims Lockups and Wi-Fi Issues Related to Bad SD Cards?

This morning an article in ZDNet claims that the writer himself was able to fix these issues by swapping out the stock SDCard on the DVP. Has anyone who has had these issues fixed their problem by doing just this? I myself am a little skeptical myself, but am wondering if this is even a possible reason for all of our problems.
Article is here: http://t.co/38b4FiY
Who knows, some of the guys who got the earliest DVP's bought from MS stores on Nov 8 tried swapping the card, results were hit and miss for compatibility. Some Samsung Focus owners have no problems with their cards, some do. No guarantee the card you use wont give problems. I'd like to see if Dell truly has a fix for the freezing issue, whatever it may be and then look further into this claim.
richlee111 said:
This morning an article in ZDNet claims that the writer himself was able to fix these issues by swapping out the stock SDCard on the DVP. Has anyone who has had these issues fixed their problem by doing just this? I myself am a little skeptical myself, but am wondering if this is even a possible reason for all of our problems.
Article is here: http://t.co/38b4FiY
Click to expand...
Click to collapse
I find it hard to believe, but I have not seen anyone say it has not worked for them. I swapped my 16g card for a different one, no problems. A friend of mine did the same with a 32g card, same thing. Word is, the issue does not exist on the 8g card. Conclusions...they say none. They're smarter than me. But my phone works well. They're still looking for answers.
I swapped to an 8GB card - no problems.
I swapped to a 32GB card - more problems than before.
Swapped back to my 8GB card - no problems.
I still need to exchange the 32GB card and try a new one, maybe the DVP is just very picky about cards (including the 16GB that Dell includes).
PS: my post on how to do the card switch was mentioned in the article! I feel special.
I swapped to a previously owned 8gb... no issues.
then swapped to a newly purchased 32gb sandisk card... no issues.
getting a 32 gig class 4 microsd to try hopefully monday
My 16GB passes the SD test but I still have issues using WiFi and marketplace at the same time.
rsacipher said:
My 16GB passes the SD test but I still have issues using WiFi and marketplace at the same time.
Click to expand...
Click to collapse
Passing the test means nothing.
DeekoVB5 said:
I swapped to an 8GB card - no problems.
I swapped to a 32GB card - more problems than before.
Swapped back to my 8GB card - no problems.
I still need to exchange the 32GB card and try a new one, maybe the DVP is just very picky about cards (including the 16GB that Dell includes).
PS: my post on how to do the card switch was mentioned in the article! I feel special.
Click to expand...
Click to collapse
Update: I tried another 32GB card (Transcend Class 2), it was a little crashy, so i did another reset, and since then its been running great. Good news so far!
DeekoVB5 said:
Update: I tried another 32GB card (Transcend Class 2), it was a little crashy, so i did another reset, and since then its been running great. Good news so far!
Click to expand...
Click to collapse
Was this the Transcend card you got http://www.amazon.com/Transcend-mic...YOC/ref=sr_1_6?ie=UTF8&qid=1297964644&sr=8-6? I tried a Sandisk 32GB and it still crashes with wifi but I'm thinking it may be a class 4 as its not labelled in any way, and still crashes. And how is the speed of the device with the new card?
Will be picking mine up in a few mins at the Microsoft store near my house. 8Gb. Salesman yesterday acknowledged the problems but said the newest builds run much smoother. Well see about that!
Sent from my Nexus S using Tapatalk
robstunner said:
Will be picking mine up in a few mins at the Microsoft store near my house. 8Gb. Salesman yesterday acknowledged the problems but said the newest builds run much smoother. Well see about that!
Sent from my Nexus S using Tapatalk
Click to expand...
Click to collapse
The 8GB version has not been having the stability problems that the 16GB version has. There were some other issues with the phones sold in November at the Microsoft Store WP7 launch, but those have long since been resolved.
In other words, you should be fine
efjay said:
Was this the Transcend card you got http://www.amazon.com/Transcend-mic...YOC/ref=sr_1_6?ie=UTF8&qid=1297964644&sr=8-6? I tried a Sandisk 32GB and it still crashes with wifi but I'm thinking it may be a class 4 as its not labelled in any way, and still crashes. And how is the speed of the device with the new card?
Click to expand...
Click to collapse
Yep, that's the new card. I have not had any speed issues with it, either.
DeekoVB5 said:
Yep, that's the new card. I have not had any speed issues with it, either.
Click to expand...
Click to collapse
Thanks, good to hear, already ordered it and will be installing it today.
Edit: well looks like I'm definitely out of luck, the Transcend card also locked up when using wifi so I'm stuffed. Now have to suffer 8 months of no wifi till I can move to a Nokia WP7.

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.
Click to expand...
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

Sandisk 16gb Class 4 card problems

Hi, I just for the 16gb sandisk card that was on sale at newegg and my G2 is having problems dectecting it.
I know android has problems with class10 cards so I bought the class 4 one.
when i plug in the card and start up the phone sometimes it say the SD card is blank.
also while im using the phone the sd card will say it unmounted or the android files in the card will turn into weird icons.
does anyone have this problem too?
I formatted it to Fat 32 many times.
i bought the same card on newegg. Although i haven't had the chance to use it yet, i was just gonna format it and copy the whole of my previous SD to it. Does your card work on any other device? if not might need to RMA
No i haven't had time to try it on my other phones yet.
I had to Clone the old card to the new card and so far no problems.
so problem solved?
I think so.
I couldn't just drag the files over.
Do class 10 cards not work on Desire Z ?
via HTC Desire Z using XDA Premium App
I had a Class 10 patriot and it kept corrupting on me. I RMA'd it several times.
Hmm, I ordered a Transcend 16gb class 10. Hope it'll work.
via HTC Desire Z using XDA Premium App
The Transcend class 10 8gb worked for me.
Stoerner said:
Do class 10 cards not work on Desire Z ?
Click to expand...
Click to collapse
They may or may not work okay. But Class 10 cards seem to cause more problems than lower class cards, based on user posts here. Plus, the extra expense doesn't seem justified, as you will not see much if any performance gain.
Since I'm in school, I got a lot of problems with sandisk product. (stop working without a sing, corrupt, takes days to boot).
For my usb flash drives I use patriot now. Never got problems, especially with the little 8gb usb key. Excellent reviews on newegg.
I bought class 10 16 gb micro usb patriot. Run some bench marks, average 11 mb/s writing. Since 5 months, lot of testing roms and watching videos, no problem yet.
Be careful with bad reviews because some people runs day long benchmarks. It kills flash memory.
oVeRdOsE. said:
Since I'm in school, I got a lot of problems with sandisk product. (stop working without a sing, corrupt, takes days to boot).
For my usb flash drives I use patriot now. Never got problems, especially with the little 8gb usb key. Excellent reviews on newegg.
I bought class 10 16 gb micro usb patriot. Run some bench marks, average 11 mb/s writing. Since 5 months, lot of testing roms and watching videos, no problem yet.
Click to expand...
Click to collapse
Does Sandisk work better if you're not in school
Odd. Was it a genuine Sandisk product, purchased from a reliable source (like Newegg). Because there are a heck of a lot of Sandisk counterfeits on places like eBay. Sandisk and Kingston are probably the most counterfeited brands of flash memory. On the other hand, its just possible you had a defective unit. Its impossible for even the most reliable electronics manufacturer to be 100% free of defective units.
I've used 3 different Sandisk Micro-SD cards in my smartphones and tablet, one of them is almost 4 years old. Only had a problem once, and a format fixed it right up. Also used Sandisk SD and CF cards in my cameras for years, without issue.
Today my Transcend 16gb class 10 arrived and I installed in my DZ.
Not any problems until now ...
via HTC Desire Z using XDA Premium App
My 16gb Sandisk just crapped out on me while i was downloading apps. I just suddenly said the card unmounted? I had to reboot to get the hard back. anyone else having problems?
Ray_jai said:
My 16gb Sandisk just crapped out on me while i was downloading apps. I just suddenly said the card unmounted? I had to reboot to get the hard back. anyone else having problems?
Click to expand...
Click to collapse
Happens to me about every other week. My Sandisk 16gb class 4 card is from my local Radio Shack, so I doubt it's fake. Perhaps some G2's don't like class 4 cards? When it happens to me, I see that message when I get up in the morning.
Sent from my HTC Vision using Tapatalk
Oh good, so it's not just me. But damn that sucks. it does get annoying.
I'm using the pre-root Stock 2.3.4 rom. you?
Ray_jai said:
Oh good, so it's not just me. But damn that sucks. it does get annoying.
I'm using the pre-root Stock 2.3.4 rom. you?
Click to expand...
Click to collapse
That ROM, and cm7 nighty 204.
Sent from my HTC Vision using Tapatalk

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