Database Users

Database of currupted sd cards.

Due to the amount of cards dieing. I want to start a database of dead cards to see if there are any patterns. I would like to have: Brand, Capacity, and where it was made. (if you can think of any other important info, I'll add that as well)
Just post the info and I will keep the original post up to date with a list of failed cards.
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Huh? I've been using the same 8GB MicroSD card, SanDisk, for a few months now. Always works the way it should, and I've reformatted almost as many times as I have hard reset, which is a bunch.

If you read through the android thread, there are a bunch of people who have had cards quit working. I'm wanting to see if it's a problem with cheap cards or if it is something else. I'm willing to bet it's just cheap cards that do not perform write leveling.

Sandisk 4GB, speed rating 2.

Transcend 2GB
never failed yet .. still running happy, even with dzo's Android port

Transcend 4GB SDHC assembled in Taiwan.
2 months of normal use, and now corrupt. Returning for a different card
bugzy said:
Transcend 2GB
never failed yet .. still running happy, even with dzo's Android port
Click to expand...
Click to collapse
This thread is clearly for cards that DO NOT work. Who's to say your card fails 4 months from now.

thirteenthcell said:
Transcend 4GB SDHC assembled in Taiwan.
2 months of normal use, and now corrupt. Returning for a different card
This thread is clearly for cards that DO NOT work. Who's to say your card fails 4 months from now.
Click to expand...
Click to collapse
I think its also important to know cards that are working as well.
Mine's probably not a SDHC, which maybe why it seems to work so far.
Ive been using Android for 3-4 months without issue on my SD card

cheap manufacturing
That's my conclusion well partly, I've been trough many sd cards and brands mine's and my friend's (they always come to me when something goes wrong)
after using many cards from the same manufacturer I had one or the other fail for no apparent reason,always make sure never to pull a card out while it's doing some operation, never write the card to full capacity either,there's nothing said on that , but just to be safe,still they keep failing. one thing I've notice is that this is happening more frequently lately more often specially on the vouge phone with wm6,and of course the bigger capacity cards.

I have to agree on the poor manufactoring. I have seen a huge increase in dead flash memory products recently. (3 or 4 friends with flash drives and one with an sd card)
I have noticed a difference in where they are made though. The Japanese cards seem to be of higher quality. That's one of the reason I wanted to keep up with where they are made. None of the flash drives i've seen dead have been made in japan.
The poor quality will eventually catch up with them.

ssdarius said:
...always make sure never to pull a card out while it's doing some operation...
Click to expand...
Click to collapse
I think you're 100% on the money. It's hard to reproduce card corruption as it seems very random as far as the damage done, and frequency.
Most PDA users (myself included) load up an SD card with 3rd party software as apposed to internal storage which is somewhat limited in size. This leaves plenty of room for Program Memory and less hangups.
It only makes sense that piling software on the SD card will cause an increase in simultaneous reading / writing over a period of time. Removing an SD card while the PDA is running / or even idling could easily cause a corrupted card, depending on whether a piece of software was randomly accessing data on that card at the moment of removal.
Now what can be done to eliminate this problem?
We need to develop a simple "switch" to isolate the SD slot from communication while removing or swapping a card. Microsoft realized this issue with SD cards and developed a "Safely Remove Hardware" wizard from your desktop PC. I've never had problems with SD cards / flash sticks once I religiously used this wizard to and from my PC.
Could someone development savvy write this code for PDA's, since Microsoft didn't feel the need to incorporate this functionality onto their Windows Mobile environments. I wouldn't know where to start lol.
Anyone agree?

Sim card scratched

I have been using this sim card for over 5 years already and today when i turn on my phone it no longer detects the sim card, so i tried putting another sim card and it works. Then i checked the sim card and it heavily scratched as i have been changing several phones already in the past, i asked my network operator but they say i have to pay them $20 to issue an new sim card. I think it too expensive, just wondering does anybody know a way that i can try to get my sim back to life? Thanks in advance.
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there is no way ... just change sim card

ravichandrabr said:
there is no way ... just change sim card
Click to expand...
Click to collapse
I agreed with Ravi there is no other option available and if you are paying for your monthly recurring charges your charges will be deducted unless your not using the service so just purchase the new sim card.

Agreed, a new sim card is probably best. Theres surely a way they can port your number across etc.

As everybody else said, no way to fix this card..
I had the same problem and just took a new one and replaced it..
This is the only way to be 100% sure that the card will survive another 5 years

With my carrier "3" in Aus, I can just drop in to any 3 store and grab an empty sim, and make a call to customer support to activate it. Its all free. and I've done it a couple of times.

if you need to get the contacts or any other stored data off of it
you can clean it with a pink eraser...GENTLY...
if you have friends in the electronics industry they can get you a thin conductive tape for repairing traces in circuit boards its only good for a very short time too &&&& it must be cut into tiny pieces for each pad of the sim cards pattern
get your data off the darn thing anD GO GET A NEW sim card.
my wife's company sells similar cards to these they are worth about $1 each up to about $7 each fully programmed and printed in fancy colours etc... but bought by the box lot.
you want 1 and don't want the company to make any money on these?
they do have to pay
shipping, handling, duties, taxes, distribution, and the wages of the pimply faced teenager at the store to get it out and hand it to you (10 minutes)
all before they see any profit from your transaction...oops forgot the Visa/interact fee's (3%-ish)
im not complaining its just that $20 doesn't go very far these days
there is frugal and then there is frugal.. this is neither

you can buy a magic simcard and clone that simcard to the new one. they sell them at dealextreme.com for like $6. i dunno if its legal or not where you live.
^dont try this with multiple devices at the same time though. your carrier will track you down.
this one should work:
http://www.dealextreme.com/details.dx/sku.12425

[Q] Omnia 7 - microSD card expansion

Has anyone taken their Omnnia 7 apart yet to see if you can replace the microSD card with a higher capacity one?
It's been done on the HD7 so we need a brave volunteer to try the same on the Omnia.

This is really intriguing to me... if anyone does it please take lots of pics!

You're on the OMNIA 7 has a MicroSD slot?

zincou said:
You're on the OMNIA 7 has a MicroSD slot?
Click to expand...
Click to collapse
No, not a normal slot.
In some mobile phones with windows 7, the MicroSD is hidden inside.
You cannot access without unscrewing, and it voids the warranty.
The phone must be taken apart into pieces to find the MicroSD, it is not one you just change for different music all the time!
We need a person to volunteer to take apart their phone!

Windows Phone uses a special high–performance SD card that works differently than SD cards in other devices.-Microsoft
Click to expand...
Click to collapse
exFAT disk format maybe?

I have an Omnia 7 testing device and I am willing to disassemble it. But I really don't know where to start with this. Seems that the phone can be disassembled only with special tools that I don't have...

Omnia must have a slot like the HD7?
Got this from a link (I am a new user: so can't post links yet: here's a goo.gl/Vi0e)
While the Omnia 7 has an microSD slot, it isn’t your run of the mill one. The microSD card that comes with the device is essentially locked to the device. If you remove the card, it will make the phone inoperable. I did read a tip that this may change later on, or if you swap cards and reformat then you have to suffer with losing your data, but that hasn’t been officially verified yet. Also someone will probably figure out a hack or way to copy the formatting scheme over to a new card to avoid losing your data, so don’t fret too much about this.

Just got delivery of Samsung Omnia 7.
I'm trying to open it up but I can only get access to 1 screw..the other ones are partially or fully obstructed!

@karthikraman - there is no card locking going on and upgrading memory is fully supported by MS. It just has its own special procedure and consequences. Too many tech writers have been reporting this as if it's some kind of hardware hack special to the HD7. Nonsense, as I said it's supported and designed to work that way.
Manufacturers have decided to hide the cards inside. Maybe they thought that was safer so that people didn’t swap in new cards and complain their phones had stopped working or, if they did the hard reset, that they had lost all their data.
Anyway, all we need to know is whether we can get to the SD card in the Omnia 7 or not. If we can the upgrade ought to work.
@lvoky - Can you post pictures or describe what tools you need?

digime said:
@lvoky - Can you post pictures or describe what tools you need?
Click to expand...
Click to collapse
Well, I can post some pictures later, but generally, as hboos mentioned, the screwes under the battery cover are partially obstructed with the rest of the phones casing... Which means that before unscrewing these, the casing has to be somehow removed. There are no other screws on the phones body, so I guess the plastic top and bottom part of the phone has to be "unclicked" somehow. Or maybe we have to begin from the display, like with iPhone 3G for example...

OK, I have got it apart, but haven't found the SD card yet.
Where the slider is for the USB charger, use a small screwdriver & gently prise the plasic up (with the slider open), gently work your way around to get the complete cover off.
There you will find three screws, once these are rmoved the end will come off, after which you can slide the metal case off. You can then access all the screws.
HTH, Vince

VinceRothwell said:
OK, I have got it apart, but haven't found the SD card yet.
Where the slider is for the USB charger, use a small screwdriver & gently prise the plasic up (with the slider open), gently work your way around to get the complete cover off.
There you will find three screws, once these are rmoved the end will come off, after which you can slide the metal case off. You can then access all the screws.
HTH, Vince
Click to expand...
Click to collapse
take photos and videos if you can would love to get a 32gb card in my omnia

Thanks Vince!
Taking it apart just now!
Just for clarity...to take the first bit off, open the usb slider and put a screw driver in to take off the plastic from the END of the phone... then everything is easy from there.

is it possible for the microsd card to be underneath the sim card slot or inside the area with the antennae?
Update:
I've pretty much dismantled the whole thing...just need to get the screen off and I can't seem to locate teh sd card.....it might be underneath the samsung sticker?
I have two photos but don\t knoiw hwo to put them up...they are 1.5 mb in size

Right guys,
After faffing around with this...the microSD card must be located just beneath the screen..unfortunately, I am unable to check for sure because the board has connections glued on to the sides for the power, camera and volume buttons..
what a downer
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HTC, and maybe Motorola, is known to use microSD card for internal storage in various phones. Samsung, on the other hand, doesn't do that normally. All the Galaxy S phones have flash chips mounted directly on the circuit board. Samsung makes those flash chips, so it makes no sense for Samsung to use someone else's microSD cards.

Nice try and thanks for giving it a go.
Here's more info on the official position from MS:
http://windowsphonesecrets.com/2010/10/29/microsoft-speaks-on-micro-sd-and-windows-phone-storage-expansion/
I said on an HD7 thread that I think they are just being really careful and making sure they minimise potential problems - they don't need the launch to collapse with any Apple-antenna type bad press.
I think I've decided to go for an HD7 and will probably upgrade the memory once I've used up the 16GB.

there is no card in omnia7
digime said:
Has anyone taken their Omnnia 7 apart yet to see if you can replace the microSD card with a higher capacity one?
It's been done on the HD7 so we need a brave volunteer to try the same on the Omnia.
Click to expand...
Click to collapse
here's proof

Pity about that. I thought it would be upgradable but I was wrong

root beer said:
Pity about that. I thought it would be upgradable but I was wrong
Click to expand...
Click to collapse
Well on the bright side at least we wont have the memory failures prominent in SD-cards Charlie Kindel spoke about.

Problem following Internal SD replacement

Sooooooo, I replaced my internal sd card with a 4gb class 10. I used the "cut away the plastic" covering the card method because I was too lazy to take the phone apart. Now the phone will not turn on. Tried placing the original card back in......still nothing. Plug the phone in and I get a battery symbol with a yellow triangle and exclamation mark. Any thoughts?
I pried up the one edge of the piece of plastic that I removed which was close to the contact for the back cover, so maybe I messed up that contact and the phone thinks the cover is not on there? Was there not a fix for the Streak to eliminate the need for the back cover to be on for powering up?
Any help is sincerely appreciated since I now have no phone, which is clearly not going to be warrantied. Congratulations me

Don't know if this helps because it requires what you didn't want to do - take your Streak apart. But a quick look at that tutorial and it seems that the 'switch' for the back cover is not near the internal sd card, so perhaps your problem is something different?
Did you do a reset from the recovery? I believe that you need to di that to initialize the new sd card?
There are a few threads here and at MoDaCo dealing with the replacement of the internal sd card, more reading may be in order.

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The innerSD is the black square in the top right corner, slightly to the top and right of the sd card picture (that is the outerSD slot)
The battery cover switch is near where the greenish square in the bottom left corner.
It's possible he might have damaged a trace that connects the switch, but it seems a bit unlikely for it to run exactly where cut and also happened to be the only trace damaged.
You could try installing streakdroid as it ignores the batt cover switch, assuming that's the only issue

TheManii said:
The innerSD is the black square in the top right corner, slightly to the top and right of the sd card picture (that is the outerSD slot)
The battery cover switch is near where the greenish square in the bottom left corner.
It's possible he might have damaged a trace that connects the switch, but it seems a bit unlikely for it to run exactly where cut and also happened to be the only trace damaged.
You could try installing streakdroid as it ignores the batt cover switch, assuming that's the only issue
Click to expand...
Click to collapse
Can we use microSD card reader for innerSD card too? Does fixing innerSD helps power on our device(not booting but just power on)?

rapol.goutham said:
Can we use microSD card reader for innerSD card too? Does fixing innerSD helps power on our device(not booting but just power on)?
Click to expand...
Click to collapse
The inner SD Card is just a 'normal' micro sd card, so yes if you remove it you can put it in a card reader.
Whether making sure that the inner card is working properly it will fix your problem is unknown.
If you have not taken your Streak apart I recommend cutting the area above the inner card to remove it. I have done this to two Streaks with no issues. YMMV.

Thank you marvin,
Ill try it tomorrow, hope it will fix the device.
Sent from my Dell Venue using XDA App

The innerSD is formatted in ext3, so you'd need to be able to read ext3 partitions if you wanted to examine it's contents

A few days ago I used TheManii's guide for flashing an image to the innerSD and it went off without a hitch, and solved a small error I was getting when booting into recovery. So if you want to eliminate a variable, I would highly recommend that so you know it has nothing to do with your problem

Stop Sign after new sim card

hi i activated my sim card after losing my other one and now i get this weird stop sign hopefully u guys know how to fix it does not recognize the sim card aswell
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i rooted my phone but it is now back to factory settings and stock rom

guitarpunkmasta said:
hi i activated my sim card after losing my other one and now i get this weird stop sign hopefully u guys know how to fix it does not recognize the sim card aswell
i rooted my phone but it is now back to factory settings and stock rom
Click to expand...
Click to collapse
is it the same carrier as before
just because you rooted does not make your device sim unlocked for any carrier

TheMadScientist said:
is it the same carrier as before
just because you rooted does not make your device sim unlocked for any carrier
Click to expand...
Click to collapse
yes its the same carrier i just went to the shop and activated it then went home and put it in i even tried my old S7 and it worked on there the only thing i can think of is that the card slot is damages as i thought the sim card that i lost might have been stuck inside the phone but im pretty sure i didnt damage it
if i cant fix this ill go back to my provider tommorow

guitarpunkmasta said:
yes its the same carrier i just went to the shop and activated it then went home and put it in i even tried my old S7 and it worked on there the only thing i can think of is that the card slot is damages as i thought the sim card that i lost might have been stuck inside the phone but im pretty sure i didnt damage it
if i cant fix this ill go back to my provider tommorow
Click to expand...
Click to collapse
I have had now several issues with broken sim trays and sims getting stuck in mine was your tray damaged at all?
the icon you are seeing. Is a no service icon so you know:good:
I have seen people with issues and sim trays and slots that could be a issue

guitarpunkmasta said:
yes its the same carrier i just went to the shop and activated it then went home and put it in i even tried my old S7 and it worked on there the only thing i can think of is that the card slot is damages as i thought the sim card that i lost might have been stuck inside the phone but im pretty sure i didnt damage it
if i cant fix this ill go back to my provider tommorow
Click to expand...
Click to collapse
Take a nice bright flashlight and shine down the port and see if it's in there. In was able to see mine

TheMadScientist said:
Take a nice bright flashlight and shine down the port and see if it's in there. In was able to see mine
Click to expand...
Click to collapse
alright thank you i will try that

right i downloaded sam mobiles one and it is activated now thanks

guitarpunkmasta said:
right i downloaded sam mobiles one and it is activated now thanks
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Click to collapse
nice good job and find:good::good::good: