Chewing through SD cards. CM or the phone? - T-Mobile LG G2x

I have gone through two SD cards so far. The cards worked fine in other phones, but in g2x they work for a bit and then poof... not recognized when inserted into the phone, no luck with other phones. I can't really test out with a computer as I don't have an adapter... ugh..
Any solutions?
I've had a similar issue with Evo 4G and fixed that with a few fastboot commands to completely reinitialize the phone's card reader. Any such thing with this phone?

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MicroSD slot...

I took out my microsd card from my old 8525 and put it in my fuze and it will not read it. I put it back in my 8525 and it reads it fine. I also use an adapter for my pc and windows reads it fine. Just got the phone today about 20 minutes ago. Could the microsd slot be bad? and YES I am putting it in the correct way. The SD cad is a 2GB kingston.
2GB SD cards are picky. I have a 2GB card in my camera that my laptop will only recognize about 50-75% of the time, although I've never had a problem with it in my camera nor with the card reader I have plugged into my other computer. Of course, it could be a defective slot in the phone, too. The only way to tell is to try with another card (preferably a different size).
microSD cards are cheap. I'd suggest getting a 4GB or 8GB card and seeing if the phone accepts that; if so, just use your pc to copy all the data from the old card onto your hard drive and then onto the new card. If not, you've still got a new card as well as evidence that the phone needs to be replaced.
wmm said:
2GB SD cards are picky. I have a 2GB card in my camera that my laptop will only recognize about 50-75% of the time, although I've never had a problem with it in my camera nor with the card reader I have plugged into my other computer. Of course, it could be a defective slot in the phone, too. The only way to tell is to try with another card (preferably a different size).
microSD cards are cheap. I'd suggest getting a 4GB or 8GB card and seeing if the phone accepts that; if so, just use your pc to copy all the data from the old card onto your hard drive and then onto the new card. If not, you've still got a new card as well as evidence that the phone needs to be replaced.
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Guess ill have to run to walmart and give one a try.
Actually I did a hrd reset and now it will read it fine. Guess its just typical windows BS.

[Q] 8gb Micro SD card not recognized

Hello. Recently just got a 8gb class 6 micro sd card for my HTC Desire (CDMA). When I put the card it it's not being picked up by the phone. Not giving me any kind of error message in the notification bar, just acts like no SD card is installed. My previous card was an 8gb class 2 card that came with the phone, so I know it can do high capacity. Threw the card in a card reader and re-formatted it FAT32, still nothing. Tried putting the card in a friends Samsung Galaxy and it picked up fine. Also my old card still works when I put it back in the phone, so I'm truly stumped here. The phone is rooted but Im not running any custom roms..
Well i think the problem in in your phone. Maby some dust on those golden pins or something you cound try another card to check if its the card or phone itself.
RyanJWZ said:
Well i think the problem in in your phone. Maby some dust on those golden pins or something you cound try another card to check if its the card or phone itself.
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Click to collapse
My old card works fine in my phone, and the new card worked in a friends phone, and on my PC. Tried re-formatting (FAT32 and FAText) and naming the volume. For some reason my phone just won't pick it up. No error messages or anything, just acts like there is no micro sd card in it.

Your SD card likely isn't the problem

I was going to post this in response to a couple of people in the development sections but my post count is too low so I'll post it here instead.
The SD slot in this phone seems to have an issue with corrupting SD cards, I've had to format both my old and new SD card multiple times with this phone as it becomes unusable every few days. I'm not versed enough in hardware to know if this is a bad connection between the SD slot and the "motherboard" of the phone. I've seen a number of people have their SD cards go bad with this phone and I assume that means we had a manufacturing issue. It would be really cool if a hardware hacker experiencing this issue could take a look inside and confirm whether or not the hardware is connected correctly.
Well, perhaps there's a high number of bad readers....
I've had the same card in my Q since the day I got it (mid-September), no issues.
Mine wouldn't read the day I swapped up from My Epic 4g Touch to This phone, So I popped in an sd reader backed up my data then let the Moto format it, no issues sence
Curious to know what class of card you guys are running. I've been running a Patriot class 10 but my previous was a class 4 without branding that came with my old Transform.
I'm really hoping that I just had my old SD card die at a bad time and that my newer SD card was just sent bad. Today I couldn't get the card to read from the SD slot in my computer, and it would not be cool if my phone caused it to become that way.
Solust said:
Curious to know what class of card you guys are running. I've been running a Patriot class 10 but my previous was a class 4 without branding that came with my old Transform.
I'm really hoping that I just had my old SD card die at a bad time and that my newer SD card was just sent bad. Today I couldn't get the card to read from the SD slot in my computer, and it would not be cool if my phone caused it to become that way.
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Click to collapse
Class 10 Maxell
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2074251
No issues here. I tossed the crappy class 2/4 that shipped with my Epic long ago.
Well I found an extra class 4, 2 GB SD card lying around the house when I was cleaning today. It may be that the local shipment of phones was bad, so if this SD card goes on me then I'll try exchanging the phone in another town just to be safe.
Just out of curiosity does anyone know whether Sprint orders enough phones for replacements with their original shipments? I'm not from a very large town so I'd imagine they would keep replacing with phones from the same batch.
I've got a Samsung 32GB class 10 mSD.
Nearly everytime I reboot my Photon Q it says "SD Card is damaged".
Go into settings, Mount SD Card once or twice and it works.
I've read, that other Android Devices have also problems with that size of SD Cards. (Google)
I had also problem in recovery restoring a backup, the restore process didn't went correctly
(said that everything was fine), had to use my 2GB mSD, which worked nicely and the backup also.
So I think it's an android/kernel issue than a hardware issue.
I have noticed that I get the corrupt sdcard error everytime I try to use the "mass storage" or "media device" setting with Windows.
I use Ubuntu 99% of the time and leave it connected in "camera" mode, have never had that pop up like that...
I usually just use ADB to copy everything anyway so I do not miss the "mass storage" mode at all.
Just had a 16gb class 10 microcenter branded card go belly up on me. Phone just all of a sudden said it was removed and now nothing seems to recognize the thing. The mount option is completely greyed out, and does the same on my note 10.1 if i pop it in there.
When your cards have gone did they completely disappear and refuse to read?
Sent from my XT897 using xda app-developers app
I wonder if it's the c10 cards...
You guys really shouldn't be using high class cards in a phone - there's really no benefit, as phones use SD card's very differently from camcorders or cameras...
On my ooooold phone, anything above Class6 was bad juju. I have always had class4 or lower cards, no fried cards (yet... lol)
kinda what I am feeling too. Not sure what class card I have but it was just a cheap 32gb from wallmart... Only had that error pop up once with this one though, and that was after trying to use usb storage.
Sent from my XT897 using xda premium
arrrghhh said:
I wonder if it's the c10 cards...
You guys really shouldn't be using high class cards in a phone - there's really no benefit, as phones use SD card's very differently from camcorders or cameras...
On my ooooold phone, anything above Class6 was bad juju. I have always had class4 or lower cards, no fried cards (yet... lol)
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Click to collapse
Class 10 shouldn't make a difference to a device. The class/speed only comes in to play when transferring data from/to a computer, which will be faster on Class 10 vs Class 4 or 6.
Sent from my PC36100 using Tapatalk 2
arrrghhh said:
I wonder if it's the c10 cards...
Click to expand...
Click to collapse
As best as I can tell, thats a negative. Ive been running with a 32GB class 10 since around when the phone was released, and Ive had no issues. Quite surprising on its own, seeing as I abuse the poor thing. True that class 10 arnt useful for the phone specifically, but some shops only carry class 10 cards.
@hfase
I dont seem to have any issues with mass storage, with ~1GB written a day. Im quite curious as to why some people have this issue.
ADegtyarev said:
As best as I can tell, thats a negative. Ive been running with a 32GB class 10 since around when the phone was released, and Ive had no issues. Quite surprising on its own, seeing as I abuse the poor thing. True that class 10 arnt useful for the phone specifically, but some shops only carry class 10 cards.
@hfase
I dont seem to have any issues with mass storage, with ~1GB written a day. Im quite curious as to why some people have this issue.
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Maybe it's all down to the quality of the actual card itself?
Perhaps the cheaper no-name / off-name brands have a much higher failure rate....?
I'm not really sure, short of actual hardware issues on the device.
AW: Your SD card likely isn't the problem
Well here is my experience:
I am using a new san disk 32GB class10 micro sdcard. It was never format ed/ used before. The q itself formated the disk.
I have had no problems until using the twisted asanti prebuild
Version. Since then I only got problems with the qu saying the sdcard would be corrupt, after reboot. ( I expected some additional wired things, like the currents widget, which I deleted before reboot reappeared). So I would suggest it is an error in un mounting the sdcard before shutdown, which causes this failure.
Since I usually do not reboot the phone expect for flashing new roms, I had no trouble since then.
Hope this might help to further circle the problem, and maybe find a solution for this.
Sent from my awesome XT897
Since CM10 I haven't noticed any SD-Card issues, but I have the feeling, that there are some issues, which aren't detected.
In the last few days my CM10 was acting weird.
1. The gallery (together with the camera app, 2in1 app) disappeared in the App Drawer (was still in /system/app) and didn't appear again after overwriting gallery2.apk again.
2. The Google Weather App had a graphical issue, so I was sure, that there was a flash issue by restoring ASA14 and flashing CM10 (from SD-Card!).
I solved this issue in copying the nandroid backup and CM10 to the phone and flash it from there.
I have tested my SD-Card in my external cardreader, it had no issues in doing so.
My guess is, that the SD-Card needs more power than the Photon Q can give and is losing some read/write commands.
arrrghhh said:
Maybe it's all down to the quality of the actual card itself?
Perhaps the cheaper no-name / off-name brands have a much higher failure rate....?
I'm not really sure, short of actual hardware issues on the device.
Click to expand...
Click to collapse
I think This may have hit the nail on the head. I have had a couple cheap discount cards die but they really died. Cant even read in the PC and one even got really hot when plugged in. Got a good branded card from amazon and havent had a problem since.
Mordannon said:
I think This may have hit the nail on the head. I have had a couple cheap discount cards die but they really died. Cant even read in the PC and one even got really hot when plugged in. Got a good branded card from amazon and havent had a problem since.
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Click to collapse
I've used better Samsung and Sandisk cards and have had this issue. It just randomly wipes all my data and creates the LOST.DIR with it all in there, but file names are all renamed and would takes years to sort through and try to figure out what is what. All my photos, music, etc.. were basically gone then. It didn't matter that the card was a name-brand or not. I've had the issue with several cards.
I constantly have this problem as well, and I've found that mounting the SD card with a reader or in another phone in a Linux environment fixes it for the most part. I think files still get lost, but you get most of what you had back.
I got a 32GB UHS1 card last week and it hasn't had a problem.

SD card not recognized every time I swap battery

Every time I swap a battery from my charger into a phone, it does not recognize the SD card. I power down and then swap the battery. It again recognizes in a day or two. Anybody know what could be the problem? This is Sandisk 32 GB. Worked fine with my S4.
Have you tried reformatting the card yet? I had a similar issue when I went from the Streak to the Note 1. I eventually reformated the card and it stopped happening, but the card failed completely shortly after. Not sure what happened. Everything was normal before I switched phones and seemed normal (for the couple of weeks befored it failed) after I reformatted the card.
Sent from my SAMSUNG-SM-N915A using Tapatalk
I have an issue with it unmount in and remount in my sd card. Some of my pictures also dissappear and come back and some im not able to view.
Yes I reformatted but the card is a goner. It is not recognized at all now. Just ordered another one Samsung 64 GB EVO from Amazon. Hope this will work longer than Sandisk. Anybody know how to get my music from iTunes from my MAC on Edge? On my S4 I had used Kies but any other options?

SD card not working properly anymore

My phone is just over 1 year old now and I've never had any issues before. A few days ago I would get the message that the SD card was removed unexpectedly when it wasn't, and then it would work for a few hours and repeat. Now, I cannot get either of my 2 micro sd cards to be recognized by my phone. Both these sd cards are able to be read by my pc so I am confident they aren't corrupted or have an issue. Is this most likely an issue with the SD card reader in my phone or somehow the sd cards have been corrupted?
ez4nick said:
My phone is just over 1 year old now and I've never had any issues before. A few days ago I would get the message that the SD card was removed unexpectedly when it wasn't, and then it would work for a few hours and repeat. Now, I cannot get either of my 2 micro sd cards to be recognized by my phone. Both these sd cards are able to be read by my pc so I am confident they aren't corrupted or have an issue. Is this most likely an issue with the SD card reader in my phone or somehow the sd cards have been corrupted?
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I have the same issue since last month. Tried to flash back to the stock 4.4.2 Rom (From Lollipop) and now the SD cards cannot be even recognized by the phone. My PC can read/write to the SD cards without any issues. It seems it is a common problem for LG G3 phone. Mine is D855 version though.
I just had that problem as well and it ended up with the SIM not being detected as well. Had to get a replacement. I assumed that the SD card/ SIM tray combo was a removeable component - it's not, it's soldered to the phone so I couldn't replace it. (D850) Now, I'm worried that this replacement is going to suffer the same fate... Hopefully later, rather than sooner.
marv_in_lbc said:
I just had that problem as well and it ended up with the SIM not being detected as well. Had to get a replacement. I assumed that the SD card/ SIM tray combo was a removeable component - it's not, it's soldered to the phone so I couldn't replace it. (D850) Now, I'm worried that this replacement is going to suffer the same fate... Hopefully later, rather than sooner.
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Here is my update:
Sent in my phone to LG to be repaired and after receiving it back I had the same issue. LG claims they replaced the sim/micro sd reader. Then I thought it must be the software, so I downgraded to the stock software from the factory (4.4.1 I believe) and I had the same issue. Annoyed, I told LG they did not fix the issue and sent it to them again with the hope they would replace it but unfortunately I received it back and they claim all they did was update the software (4.1.1 -> 5.0.1) and obviously this did not fix the issue. At this point I simply just don't use a micro sd card anymore because of this annoying issue. Still searching for a solution..
Exactly my problem. So annoying!!! I've got my sim/sd tray replaced and the problem occured for the 2nd time after 2 weeks.

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