Sd card - Samsung Epic 4G Touch

My wife has been using her et4g for many months and she has a 32 gig sd card installed but can't seem to put anything on it pics, app, etc. I have formatted and mounted it any ideas?
Sent from my PC36100 using Tapatalk

What class? Some low end sd cards wont work as it doesnt allow fast enough write/read speed

i have the same problem. it's from amazon, and made by amazon, 16 gb class 10. it used to work find on GB but after the ics update, I can't install any apps on it, but i can move files to it

Things don't save to external by default. I've always used mine as a backup, to unload crap from the phone's memory to it. I don't know how to make things save and use the external, if that's possible.

Perhaps its a bad card. Have you tried it in an adapter on a computer or another device? If the card works it could be something else.
I doubt its the class affecting it unless its a really cheap POS.
Sent from my SPH-D710 using xda premium

I believe it's a class 4 or 6 the phone can see it in the menu /settings /storage section and you can mount and format it there. But we are unable to to move anything to it
Sent from my PC36100 using Tapatalk

Have you formatted it with Windows or with the formatter from the SD Card Association?

LordJummy said:
Perhaps its a bad card. Have you tried it in an adapter on a computer or another device? If the card works it could be something else.
I doubt its the class affecting it unless its a really cheap POS.
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
to the other guy, i know it's not saved on sd on default, but i tried to move the apps, and it doesn't work.
and also yes, i have used it with adapter on a computer and it works fine
---------- Post added at 05:45 PM ---------- Previous post was at 05:44 PM ----------
Don Qua said:
Have you formatted it with Windows or with the formatter from the SD Card Association?
Click to expand...
Click to collapse
yes i have, too many times

I guess phones can be finicky. One of my old phones didn't like a card. I don't remember if it was my evo or epic, but one of them didn't like sandisk or Samsung cards. I've got a pny 32, forgot the class, and its not giving me any problems. Never heard of a card not accepting files. You think maybe the rom might have a snafu in it? I don't remember if you said she was running custom rom or not. Try a different brand. If it still does it then the phone might have a hardware problem.

Related

format 64GB micro SD card to fat32

I purchased a Sandisk 64GB micro SD card through Amazon. I got the card and put it in my phone and the phone said it was damaged. It wouldn't mount the SD card to format it. I tried to format it with my laptop, but it would not give the option for fat32.
I did a Google search and found this.
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
You have to use Dos commands, but it formats the SD card to fat32 in about 3 seconds. Needless to say, this has to be done on a Windows computer. Mine is running Vista.
BE CAREFUL! IF YOU AREN'T PAYING ATTENTION, YOU COULD FORMAT THE WRONG DRIVE AND MESS UP YOUR COMPUTER!
(If this is in the wrong place, please move to the correct forum.)
I'm sure most of you already know how to do this. I just figured I would post it for people that don't.
How much did u pay for it?
Sent from my SGH-T989 using XDA
anomy13 said:
How much did u pay for it?
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
The micro SD card? 60 bucks off of Amazon about a month ago. I thought the first one was defective so I sent it back. Just got the replacement today.
v8dreaming said:
The micro SD card? 60 bucks off of Amazon about a month ago. I thought the first one was defective so I sent it back. Just got the replacement today.
Click to expand...
Click to collapse
Was it the class 6 or the class 10 one? I got the class 10 64gb for like 75
Sent from my SGH-T989 using xda premium
wow 64g, can save me loads of porn.........
Sent from my SGH-T989
If it won't format in the phone, it may be defective. I went through something similar, I ordered a 64gb class 6 card off Amazon a few months ago. It was made by "Komputerbay" & had good reviews, but would not format at all in my phone. Wouldn't even mount or anything. I sent it back & ordered a Sandisk, and it formatted in my phone right away with no problems.
kabuk1 said:
If it won't format in the phone, it may be defective. I went through something similar, I ordered a 64gb class 6 card off Amazon a few months ago. It was made by "Komputerbay" & had good reviews, but would not format at all in my phone. Wouldn't even mount or anything. I sent it back & ordered a Sandisk, and it formatted in my phone right away with no problems.
Click to expand...
Click to collapse
It's not defective. I'm using it in my phone right now. I find it interesting that people are able to mount this card in their phone when, out of the box, it's in a format that the phone doesn't recognize. Also, without a workaround, you aren't supposed to be able to format anything over 32GB to fat32.
This is my understanding after reading up on it anyway.
skyfolly said:
wow 64g, can save me loads of porn.........
Sent from my SGH-T989
Click to expand...
Click to collapse
I have 55GB of music and we aren't allowed to use the wifi at work. Streaming music for 8 hours straight would kill my data plan.
v8dreaming said:
I have 55GB of music and we aren't allowed to use the wifi at work. Streaming music for 8 hours straight would kill my data plan.
Click to expand...
Click to collapse
you can't use grooveshark at work?
new ion? said:
you can't use grooveshark at work?
Click to expand...
Click to collapse
They password protected the wifi network. So, we aren't allowed to use it.
I could use grooveshark with my cell data, but I would go through my 5GB data plan in about a week.
v8dreaming said:
They password protected the wifi network. So, we aren't allowed to use it.
I could use grooveshark with my cell data, but I would go through my 5GB data plan in about a week.
Click to expand...
Click to collapse
You have a computer workstation connected to the internet no?
Sent from my SAMSUNG-SGH-T989 using xda premium
Jesus H! Thank you for this! I've been fighting this for about a week now since I started playing with CM10 on the S3. Tried 4 or 5 methods of formatting with various commands and apps, and the most I could get out of the card was 32 GB in FAT32.
There's also a gui version of the utility that worked when all other found the card unreadable. Took all of 10 seconds!
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
new ion? said:
You have a computer workstation connected to the internet no?
Sent from my SAMSUNG-SGH-T989 using xda premium
Click to expand...
Click to collapse
No I do not. I do not sit down to work. I am a diesel mechanic.
L_E_O said:
Jesus H! Thank you for this! I've been fighting this for about a week now since I started playing with CM10 on the S3. Tried 4 or 5 methods of formatting with various commands and apps, and the most I could get out of the card was 32 GB in FAT32.
There's also a gui version of the utility that worked when all other found the card unreadable. Took all of 10 seconds!
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
Click to expand...
Click to collapse
Glad it worked for you also.
v8dreaming said:
No I do not. I do not sit down to work. I am a diesel mechanic.
Click to expand...
Click to collapse
Never mind then lol. I'm glad to hear you work with your hands... I'm going to school for a desk job and half the time I wish I could be under some motor
Sent from my SAMSUNG-SGH-T989 using xda premium
I thank v8dreaming for posting the link to Ridgecorp.
I downloaded their fat32 format tool, and now my Sandisk 64GB micro SDXC works with my 3year old Samsung Jet S8000!
more memory than a $1000,- iPhone FTW
thanks again!
For those of you having a problem with formatting your 64 gig card in FAT32 go here.
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
EDIT - LOL I just saw your post but here is the link.
05Warrior said:
For those of you having a problem with formatting your 64 gig card in FAT32 go here.
http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm
EDIT - LOL I just saw your post but here is the link.
Click to expand...
Click to collapse
I have followed the tutorial and have formatted it, but windows still reports a size of 27.4GB which would mean 32GB.
I have a class 10 64GB card, i can format it in exfat no problem, just not fat32.
Any ideas?
Just in case someone has this problem
I was trying to format my sandisk 64gb that was formatted in exfat but I was having an error message saying that the card was being used by another program but there was nothing using it. What I did was that I formatted it with windows 7 to NTFS and after it was done I used the program again and this time it works. To make sure I put my card in the phone and formatted it with the phone also. I tried to formatted it in the phone before and it was formatted but it stayed in exfat. I want it to be FAT32 because the clockworkmod recovery touch can't access the card formatted in exfat to make backup. Now I will try it with fat32 which they say it will work.
Try to get another recovery like twrp, it let's you use your external sd.
Sent from my SAMSUNG-SGH-T989 using xda premium

[Q] microSD card died

I had a SanDisk Mobile Ultra MicroSDHC Class 6 32GB (formatted FAT32) in my Galaxy S3 with no issues for about a month. Then one day I was at work, unlocked my phone and got a "SD card has been unexpectedly removed" notification. After that the microSD card wasn't recognized in the phone, my laptop, nor my desktop PC.
Has anybody else had this issue?
AlienMindbender said:
I had a SanDisk Mobile Ultra MicroSDHC Class 6 32GB (formatted FAT32) in my Galaxy S3 with no issues for about a month. Then one day I was at work, unlocked my phone and got a "SD card has been unexpectedly removed" notification. After that the microSD card wasn't recognized in the phone, my laptop, nor my desktop PC.
Has anybody else had this issue?
Click to expand...
Click to collapse
question is, where did u buy the sd card it might of been a fake, their are multiple sdcards which look good and real but overall are fake due to the ability to operate in heat, so it might of overheated and crashed(died) its a big issue with fake sd cards out there, they usually go out or burnt due to not being able to take the heat of the phone. On normal operate the sd card should be able to take 40 to 45C which make it 90-100 Ferenheit, if its a real SD card it should be able to take more then this and reach upto 65+C or around there.
easy ways to spot a fake is if ure saving files on ure phone and it says u got a class 6 or class 10 sdxc card and its operating less then it should, it crashes on u when trying to open a file or it resets itself and tries to scan again for it. in many cases it will get too hot and burnt out, or it just stops operating out of the blue.
Practitioner said:
question is, where did u buy the sd card it might of been a fake, their are multiple sdcards which look good and real but overall are fake due to the ability to operate in heat, so it might of overheated and crashed(died) its a big issue with fake sd cards out there, they usually go out or burnt due to not being able to take the heat of the phone. On normal operate the sd card should be able to take 40 to 45C which make it 90-100 Ferenheit, if its a real SD card it should be able to take more then this and reach upto 65+C or around there.
easy ways to spot a fake is if ure saving files on ure phone and it says u got a class 6 or class 10 sdxc card and its operating less then it should, it crashes on u when trying to open a file or it resets itself and tries to scan again for it. in many cases it will get too hot and burnt out, or it just stops operating out of the blue.
Click to expand...
Click to collapse
I bought the card from Adorama (a photography focused site) in April. SanDisk is letting me RMA the card (just got that approved last night). I just want to make sure it's not my phone causing the problem. Up until the "unexpectedly removed" error, I never had any issues with it crashing or having to scan for itself again (unlike the class 4 I was trying to test the card slot with right now).
AlienMindbender said:
I bought the card from Adorama (a photography focused site) in April. SanDisk is letting me RMA the card (just got that approved last night). I just want to make sure it's not my phone causing the problem. Up until the "unexpectedly removed" error, I never had any issues with it crashing or having to scan for itself again (unlike the class 4 I was trying to test the card slot with right now).
Click to expand...
Click to collapse
If that's the case have u tried varies card readers or card ports to see if it could be the unit itself..... However if it does out that way, I believe scndizk does back this up with a lifetime warranty if ure sd card does stop operating and then should be able to replace it.
sd card question...
I have a 32gb Samsung class 10 sd card in my S3 - running codenamedroid. receintly, when i connect to my desktop i shows an sd card but it doesnt display whats on the card or whats in my internal for that matter... my sd card is formatted to fat32. when i pull my sd card out and plug it directly into the comp everything shows up fine. how do i get it to show up when i plug my phone to the computer. i have searched for a while but no answers. does anyone know why this is happening ??? thanks
Root this !! said:
I have a 32gb Samsung class 10 sd card in my S3 - running codenamedroid. receintly, when i connect to my desktop i shows an sd card but it doesnt display whats on the card or whats in my internal for that matter... my sd card is formatted to fat32. when i pull my sd card out and plug it directly into the comp everything shows up fine. how do i get it to show up when i plug my phone to the computer. i have searched for a while but no answers. does anyone know why this is happening ??? thanks
Click to expand...
Click to collapse
Did u do a swap in memory, switched ure ext to internal and internal to external recently?
Practitioner said:
Did u do a swap in memory, switched ure ext to internal and internal to external recently?
Click to expand...
Click to collapse
no... nothing like that. it worked fine with TW roms, but im curious if its a CM10 issue. everything shows up on my phone (photos, music, etc) but nothing shows up when i plug it into the computer..
Root this !! said:
no... nothing like that. it worked fine with TW roms, but im curious if its a CM10 issue. everything shows up on my phone (photos, music, etc) but nothing shows up when i plug it into the computer..
Click to expand...
Click to collapse
go tot he android development or pm the dev for the CM10 mod and see if he could answer ure question, havent heard about this happening so he might have th answer.
AlienMindbender said:
I had a SanDisk Mobile Ultra MicroSDHC Class 6 32GB (formatted FAT32) in my Galaxy S3 with no issues for about a month. Then one day I was at work, unlocked my phone and got a "SD card has been unexpectedly removed" notification. After that the microSD card wasn't recognized in the phone, my laptop, nor my desktop PC.
Has anybody else had this issue?
Click to expand...
Click to collapse
FWIW, had the same exact problem. Only thing, I was running a STOCK ROOTED device. The SD just died. Tried on my laptop, DOA. Wound up sending back and got another one, so far so good(knock on wood).
I 32 gb patriot card from frys brandnew for 20$.....this badboy started telling me "vard removed unexpected error...even tried reformatting....truly believe its a gs3 thing....but i had no probs with my 8gb card....really pissed about this.....any ??????
Sent from my SPH-L710 using xda app-developers app
---------- Post added at 10:58 PM ---------- Previous post was at 10:55 PM ----------
And im also on stock ...non rooted
Sent from my SPH-L710 using xda app-developers app
soufdallas said:
I 32 gb patriot card from frys brandnew for 20$.....this badboy started telling me "vard removed unexpected error...even tried reformatting....truly believe its a gs3 thing....but i had no probs with my 8gb card....really pissed about this.....any ??????
Sent from my SPH-L710 using xda app-developers app
---------- Post added at 10:58 PM ---------- Previous post was at 10:55 PM ----------
And im also on stock ...non rooted
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Even so the gs3 should be able to read ure 32gb flawlessly since it's supportive to sdhc, now it does also supports sdxc which is expected from higher performance sd cards to not be able to read or install correctly on the gs3 unless u format to extfat or fat32. Chances are u might have a bad sd card. By default their storage capacity is 32, after that, that's where u need to take does drastic measures. Try formatting it on ure computer, if it doesn't format then ure gs3 should read it, if it doesn't format u already know.
Had the same issue with my S3.
Turned out that the SD card was dying, this caused it to be unmounted by itself and then mounted again (sometimes showing notification “sd card removed unexpectedly”), hence triggering the media scanning process.
I created an application to monitor how many times the SD card was removed, and turned out to be unmounted every ~3 mins!!!
I then bought a new Transcend 32GB Class 10 card, and until now, this never happens, no reports from the application whatsoever, and no media process eating my battery.
I just published this app in the play store now, this is the link:
https://play.google.com/store/apps/details?id=com.sdcardmonitor

32 GB SanDisk Ultra class 10 will not read

This card used to work regularly for about 4 months then one day my phone said it dismounted and it became defective since that notification. I returned it due to the warranty and got a a brand new card from SanDisk. My computer reads it (and I formatted to FAT32) but, my phone refuses to even see it. And yes I attempted to format within the phone in the settings and it doesn't even say its mounted. Any possible suggestions? I tried everything it seems like. Thanks
well what rom and kernel are you running? that helps.
is it only that card or any card?
have you looked for any dirt or crud in the sd card slot. try blowing into there.
are you sure you have the card clicked in all the way? past the point where it springs back?
Here's another suggestion. Load a new rom @asop or touchwiz and if everything but your phone detects it still then you probably have a defective card reader.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
There is a thread on the forum about this very issue. Android runs a system thresd called media server and it runs every once in a while. When it is running, it will thoroughly thrash your sd card, by reading and writing. You can notice this behavior when you boot or reboot your phone; your phone is sluggish and laggy for the first few minutes-media server is running, reading the entire contents of your internal and external storage AND writing a new databse of what it finds.
This unnecessary thrashing dealt by the media server results in eventual ruination of solid state memory cards.
You can disable the media server by instaling and running an app called rescan media root. You have to root your phone to use it.
Sent from my SAMSUNG-SGH-I747 using xda premium
---------- Post added at 09:11 AM ---------- Previous post was at 08:56 AM ----------
Media scanner, not media server. My bad.
It's too early in the morning here in sunny california.
Sent from my SAMSUNG-SGH-I747 using xda premium
TRusselo said:
well what rom and kernel are you running? that helps.
is it only that card or any card?
have you looked for any dirt or crud in the sd card slot. try blowing into there.
are you sure you have the card clicked in all the way? past the point where it springs back?
Click to expand...
Click to collapse
It randomly began to work one day when I inserted it again. But occasionally when I turn on my screen, it says "Preparing sd card". It is a brand new Sandisk card so it doesnt appear to have anything wrong with it physically. It works for now but I'm afraid it may not function soon. I believe Sandisk class 10 sd cards have had trouble in some Galaxy S3 devices similar to mine. Any other ideas?
aval1392 said:
It randomly began to work one day when I inserted it again. But occasionally when I turn on my screen, it says "Preparing sd card". It is a brand new Sandisk card so it doesnt appear to have anything wrong with it physically. It works for now but I'm afraid it may not function soon. I believe Sandisk class 10 sd cards have had trouble in some Galaxy S3 devices similar to mine. Any other ideas?
Click to expand...
Click to collapse
The same thing happened to my friend, and it turned out the replacement SD Card was also defective. Have you tried Card swaps with another device to verify?

SD Card issues

So Im going on vacation here in a few days and was downloading my Amazon prime music to my 64 GB SD card and then randomly after I was done downloading it it gave me a error that said the SD card was blank or had file types that were unsupported. Now when you go to the storage location under settings it would act like the card was not even mounted and would tell me to reformat it.. So I've done that twice and re-downloaded and still the same issue. Now this happened on my Note 3 with a compactly different SD card.
The SD card in my note 4 is brand new is there something Im missing? Its getting super annoying. Because when I have apps to the sd card and pics you cant seem to retrieve them. Is it possible that after I use 32GB of space on that card that anything after that corrupts? Pretty sure that sounded stupid!
I had a issue on my camcorder that i put a 64 gb card in my camcorder when it stated that it supported up to 32gb and anything after that corrupted,
Any suggestions>?
eyesofice said:
So Im going on vacation here in a few days and was downloading my Amazon prime music to my 64 GB SD card and then randomly after I was done downloading it it gave me a error that said the SD card was blank or had file types that were unsupported. Now when you go to the storage location under settings it would act like the card was not even mounted and would tell me to reformat it.. So I've done that twice and re-downloaded and still the same issue. Now this happened on my Note 3 with a compactly different SD card.
The SD card in my note 4 is brand new is there something Im missing? Its getting super annoying. Because when I have apps to the sd card and pics you cant seem to retrieve them. Is it possible that after I use 32GB of space on that card that anything after that corrupts? Pretty sure that sounded stupid!
I had a issue on my camcorder that i put a 64 gb card in my camcorder when it stated that it supported up to 32gb and anything after that corrupted,
Any suggestions>?
Click to expand...
Click to collapse
Sounds like you're using a counterfeit SD card. They're usually a smaller card (8GB or something) hacked to make it appear to be a larger capacity (say 64GB). When you put the card into a device, it reads as the larger capacity. When writing to it, it can only write up to the actual size, then loops back to the first sector on the card and continues writing.
So basically, in your case, the card may actually be 16GB or something. When writing to it, the card will fill up the 16GB, loop to the first sector, and write over what was just written. It'll do this 4x! (4x16=64). So this will corrupt your card and give you these problems.
Sent from my SAMSUNG-SM-N910A using Tapatalk
Thank you for the info what type would you recomment. I want to get another 64gb. I thought the one I bought was San Disk... is there a better brand that you would suggest??
eyesofice said:
Thank you for the info what type would you recomment. I want to get another 64gb. I thought the one I bought was San Disk... is there a better brand that you would suggest??
Click to expand...
Click to collapse
I prefer Sandisk, Samsung, Sony, or Kingston. Buy at a brick and mortar store though. Don't buy online. Well, you can buy online, but do it from brick and mortar store websites (like Best Buy). It's the only way I've found to guarantee not getting a fake. Fakes are especially on Aliexpress, Amazon, and Ebay. Avoid those places for sure.
Sent from my SAMSUNG-SM-N910A using Tapatalk
Ok i think im gonna go with samsung on this one
eyesofice said:
Ok i think im gonna go with samsung on this one
Click to expand...
Click to collapse
Just out of curiosity, where did you buy your current SD card, what brand is it, and how much was it?
Sent from my SAMSUNG-SM-N910A using Tapatalk
The one that's in there now that's giving me issues it was ebay
The new one I ordered from best buy.com
eyesofice said:
The one that's in there now that's giving me issues it was ebay
Click to expand...
Click to collapse
Yeah, high possibility it's fake. If I had pics of it, I could probably tell, but I'm not going to ask you to go through all that trouble.
Instead, read this:
http://www.ebay.com/gds/Detecting-f...drives-flash-memory-/10000000177896377/g.html
Also try this if you want. It's an app that tries to detect the authenticity of your micro sd.
https://www.google.com/url?sa=t&sou...lzpDubsqATx95-hSw&sig2=bjJOrORaMPyHAxCTv8BJqQ
Sent from my SAMSUNG-SM-N910A using Tapatalk
---------- Post added at 02:51 AM ---------- Previous post was at 02:49 AM ----------
eyesofice said:
The new one I ordered from best buy.com
Click to expand...
Click to collapse
Best Buy only sells genuine cards, and sellers on their marketplace should be authentic too. You should be safe, but I would've gone with whatever was on sale there. No matter what, it should be real.
Sent from my SAMSUNG-SM-N910A using Tapatalk
EDIT.
Not sure how I double posted. Sorry about that. Using Tapatalk.
Wow just ran that app and it says it's invalid. Fake it ia. Thank you for that app very helpful. Haha you any good with unlocking lol? I've got a unlock code that doesn't work and I'm trying to figure out how to turn the network lock off via the hidden menue
eyesofice said:
Wow just ran that app and it says it's invalid. Fake it ia. Thank you for that app very helpful. Haha you any good with unlocking lol? I've got a unlock code that doesn't work and I'm trying to figure out how to turn the network lock off via the hidden menue
Click to expand...
Click to collapse
Sorry, but I don't know anything about unlocking. I only know about sd cards because of personal experience. I've bought many cards over the years and many were fakes or crapped out on me in under a year due to poor quality. I've learned where to buy and where not to, trustworthy and untrustworthy brands, etc.
Sent from my SAMSUNG-SM-N910A using Tapatalk

SD card unexpectedly removed

Just received my unlocked 10, t-mobile. Put my 128gb sandisk card in and it works fine, but I keep getting a notification that the SD card is unexpectedly removed. Tried reseating it, still get it. Anyone else?
I put a 200gb sandisk on my htc 10 and no problems so far.
Sent from my iPad using Tapatalk
Maybe I'll try reseating it again
Still no luck, might need to reformat it
metalfan78 said:
Still no luck, might need to reformat it
Click to expand...
Click to collapse
Could be a defective card too. Or even the reader. My 128 Samsung hasn't made a peep so far.
Sent from my HTC6545LVW using Tapatalk
It worked fine the other day, I've had it for awhile. I think I'll try a reformat and see what happens. I'll let you guys know. Thanks.
My PNY 128GB has been doing that too. It would show the message and when I check on it, sure enough, it's unmounted. So I took it out and formatted it in another phone and it's slightly better. I get the unmounted message, but the card stays mounted. I'll probably try a different card tomorrow.
I have same issue with my Samsung 128gig card. Random unmounted status.
HTC 10
@dottat @protoadies01 Is it possible for you guys to provide the exact model numbers for your Samsung cards for comparison sake? It may help rule out defective device and/or card. My PNY card is the P-SDUX128U160G-GE model.
Ravenmtx said:
@dottat @protoadies01 Is it possible for you guys to provide the exact model numbers for your Samsung cards for comparison sake? It may help rule out defective device and/or card. My PNY card is the P-SDUX128U160G-GE model.
Click to expand...
Click to collapse
Same card, same problem.
Howdo i format the card before I insert it as I would like to copy stuff onto it. Guessing exfat but what allocation size?
Sent from my LG-D855 using XDA-Developers mobile app
Update: I bought a Sandisk 64GB. Model #SDSQUSC-064G-AN6TN. No problems at all
gsw5700 said:
Howdo i format the card before I insert it as I would like to copy stuff onto it. Guessing exfat but what allocation size?
Sent from my LG-D855 using XDA-Developers mobile app
Click to expand...
Click to collapse
exFAT Default allocation should be fine, but you can just format it in the phone. If you run into issues, try FAT32. If you still run into issues, try another card.
I'm going to try a reformat today, see if it works
I've been on a clean reformatted card for about 2 hours now, so far no error. I haven't loaded back up yet though.
My pny only gave me problems when I was writing a lot or something big to the card.
I swapped mine out of 4 different phones, then into this one, so it's no wonder it errored
I have a Lexar Professional 128GB Class 10 and am now getting the same problem.
It has been fine all week but all of a sudden from yesterday morning it has started playing up.
I have tried RE seating and it works for a little while then complains.
I have also found just restarting wakes the card up for a little while so am wondering if it is software related rather than physical?
I don't know, I did a full reformat on my laptop, then formatted it on my phone and haven't had any problems since.
metalfan78 said:
I don't know, I did a full reformat on my laptop, then formatted it on my phone and haven't had any problems since.
Click to expand...
Click to collapse
Did you reformat as internal memory or just a standard format?
Sent from my HTC 10 using Tapatalk
---------- Post added at 12:40 PM ---------- Previous post was at 12:13 PM ----------
metalfan78 said:
I don't know, I did a full reformat on my laptop, then formatted it on my phone and haven't had any problems since.
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I just tried reformatting mine in my phone as internal memory, but it is failing to recognise the card as U3 which it is supposed to be.
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I did it as external.

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