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Hey guys I just wanted to ask u all a question bout upgrading sd cards on the Evo. I just purchased a Lexar 32gb class 10 sd card from Amazon. I still hav the stock 8gb card that has all my data....music,movies,music videos,custom roms,kernals amd so on. I hav heard that some people are having problems with changing their cards. So my question is what is the proper procedure to getting this transfer to be successful. Is it better to format new card thru windows or phone? Do I need to partition the new card? What is the easiest procedure to transfer my 8GB card stuff to my new 32gb card. The reason Im asking is I dont want to corrupt the new card in anyway...as u all kno they are NOT CHEAP!!! I just want the transition to workout smoothly with NO problems. Any advice wud b much appreciated. Thanks Yall!!! Evo runnin MikFroyo v4.61 w/ netarchy-toastmod-4.3.4-cfs-havs-more-nososbc...overclocked to 1152mhz.
Copy the contents of your current card onto your computer or an external drive. Shutdown your device. Remove your current card and replace it with your new card. Make sure your device supports the 32 GB size. Reboot your device. Many cards already come formatted, however, it wont hurt to reformat it to be sure. When your phone finish booting up, go to the SD card and phone storage setting within the menu. Select unmount SD card. After it unmounts, the option to format it will appear. Select format. When finished, select mount. Back out of that menu back to your homescreen. Connect your device via USB to your computer or external drive and transfer the items you copied to your newly formatted card. Reboot your device when you're finished. You can also format from your computer and from within recovery. Take your pick.
posting & replying via the XDA Premium app.
If am not wrong EVO supports max 16 GB and EVO Shift is 32 GB
^You're mistaken, the EVO does support the 32gb.
Says so on the HTC support page for EVO
Whew, you had me scared for a moment... I just ordered the same 32 gb microSD this morning. :]
I've been through 2 lexar 32gb cards. Within a matter of weeks to days, I was getting data corruption. Not sure if it's limited to the lexar class 10 cards, or any class 10. It would appear to function fine at first. At some point during the day i'd go to check my email and get a sd card mounted in read only mode message on the status bar. Rebooting would usually not help. Had to hook up the phone to the pc, mount the sd in recovery, then run a chkdsk. I'd typically get many many corrupted files.
Now mind you, i'm always careful to shutdown properly, only mount the sd when recovery. I've come to the conclusion that there is some incompatibility issue either due to the size, or perhaps lexar's ability to be downward compatible with the slower speed devices (I think the evo can only take advantage of up to class 6 devices).
Lets hope you have better luck than I did, but after multiple corrupted files, I'm back with the stock card, which has caused no issues at all (besides being low on space).
i have 32g patriot class 10 card and it works great for me. i just transfered my old sd card stuff onto my computer via the card adapter it came with. i inserted and formatted my new card into my phone. and transfered everything from my computer tomy phone via usb.
Ditto on the formatting with the phone. Since i am using ext, it had to be via the phone as I don't have the right tools to do it in windows.
FWIW, with the initial lexar card, there were no problems for nearly 3 weeks. With the replacement card they sent me, issues started showing up 2 days later. Could be my phone is less tolerant of media quality than others..
one thing you need to remember when copying the files, is to hit the option to see the the hidden files on your sd card, if you dont your phone will have glitches because it will be missing those files, because when they are hidden they dont get copied
Hate to hijack here but it's along the same lines.
If I don't listen to music or take a bunch of pictures what if any difference will I notice upgrading my class? Sorry I am coming from a Vibrant that had 14gigs internal and the sc card was purely optional.
I was thinking about just getting an 8 gig class 10 if it would make a difference.
pc to dupe sd card?
Could you just copy the sd card using an adaptor to your pc hard drive, then copy the files onto the larger sd card, again using the adapter in the pc. then install the new sd card into the phone? I am new, to this, i'm just askin.
blairan...I think you wud b safe to do that but u must format the new sd card first via phone(itself) or thru windows before any transfer of data is made. My question was simply that I hav read that many people hav had complaints bout corrupted files being present thru their new cards. Or problems with "read only" errors and not being able to access things on the card. If u are rooted and are running a custom ROM that allows Apps2sd to help free up internal memory on ur phone then u wud also need to partition the card as well to allow that. I just dont understand why their have been so many people having these problems with the 32g class 10 cards.
blairan...Im pretty sure u wud be safe to do that but if it is a new card u must make sure it is formatted first via phone itself or windows before u transfer anything to it. My question was simply I dont understand why so many people have complained bout corrupted files and or read-only errors on the 32g class 10 cards. Problems that seem to arise days or weeks later after installing new cards. I wud really like to get to the bottom of it and find out why.
blizzard1017 said:
Hate to hijack here but it's along the same lines.
If I don't listen to music or take a bunch of pictures what if any difference will I notice upgrading my class? Sorry I am coming from a Vibrant that had 14gigs internal and the sc card was purely optional.
I was thinking about just getting an 8 gig class 10 if it would make a difference.
Click to expand...
Click to collapse
If anything, you'd probably notice quicker loading from apps that you've moved to the SD card. But admittedly, video, music, and photos are the places you'd see the most tangible improvement.
Doug,
I've tried this several times (I think I'm up to double digits, now) on my rooted Evo running the stock ROM. After I transfer all the files and reboot, several apps are not installed and the phone says it has a low amount of space. I've tried restoring a Clockwork Mod backup as well and I get the same thing. I have everything backed up in Astro, but when I try to install the missing apps, the low memory issue prevents them from being installed. Should I remove all my apps and start over? Should I un-root my phone and do a factory reset? I'm so frustrated I'm about to do the latter.
I'm upgrading to a 32GB class 10 card and I just can't figure it out. Any thoughts?
jmattix said:
Doug,
I've tried this several times (I think I'm up to double digits, now) on my rooted Evo running the stock ROM. After I transfer all the files and reboot, several apps are not installed and the phone says it has a low amount of space. I've tried restoring a Clockwork Mod backup as well and I get the same thing. I have everything backed up in Astro, but when I try to install the missing apps, the low memory issue prevents them from being installed. Should I remove all my apps and start over? Should I un-root my phone and do a factory reset? I'm so frustrated I'm about to do the latter.
I'm upgrading to a 32GB class 10 card and I just can't figure it out. Any thoughts?
Click to expand...
Click to collapse
No, you do not need to unroot, but I do recommend you start from scratch. Since you already have the contents of your card backed up to your computer, go into recovery and re-partition and re-format your card. In amon_RA select "partition SD card" from the main menu. You will be prompted to set a size for 3 different things. Insert a zero each time. Doing so will allow you access to your entire card. Afterwards, copy the rom you want to use to the card via the MS-USB or the Mount USB option, if using ClockworkMod and flash it. Your paid apps will be listed in the Market after you've logged in with your credentials. Your unpaid apps will have to be redownloaded and reinstalled unless you have them backed up to Google's servers or backed up with Titanium Backup. Anyway, you will have a clean install of your rom, a clean install of your apps and a freshly formatted and partitioned SD card. If you still get the low memory error afterwards then I am assuming you have too many apps on your internal memory and thus, you will need to move many of them to your SD card to free up your internal memory. There are tutorials available to learn apps2sd. Anyway, I hope this helps you.
posting & replying via the XDA Premium app.
Thanks so much. I'll give it a try.
jmattix said:
Thanks so much. I'll give it a try.
Click to expand...
Click to collapse
You're very welcome. Enjoy the rest of your holiday...
posting & replying via the XDA Premium app.
Now I'm not moaning about CyanogenMod here, I'm just trying to understand how I can fix the issue.
Basically, I had CyanogenMod 7 RC2 on my Desire Z. That was it.
Eventually I saw through ROM Manager that the full release of 7 was out so I downloaded, took a backup, wiped everything and did a fresh install of the new ROM.
It installed fine, but none of my apps that needed root access were getting it.
So I booted into recovery, restored my backup, root was back.
I then installed 7.0 over my RC2. That worked fine, but again root was gone.
At this point, my phone started damaging SD cards.
It suddenly started saying that my 8GB card that came with the phone was damaged. I tried to fix it on the phone, but it just said 'Checking card' and then giving up.
Putting it in an old MP3 player, it is not detected at all.
Putting it in a card reader, the card is unreadable and when I try to format it Windows says the card is 'read only' (this is not due to the reader).
I put a functional 2gb card I had lying around into my Desire Z and it broke it in the exact same way.
My question to you guys is - what could be causing this and how do I fix it because I have a 16gb card coming and I'm obviously cautious of putting it in the phone.
Also, how would I go about flashing the new Cyanogenmod 7.02 ROM if my phone keeps breaking SD cards I put into it?
This error can be because when ever you install a CyanogenMod ROM over another, It leaves files your new ROM think is useful such as data that the new ROM doesn't support. It is damaging your SD Card because it keeps attempting to fix the error but is making it worst by trying to remove system files. Your best bet is to try another ROM and see if it does the same thing and report it to CyanogenMod Developer Team if it only does this to CyanogenMod ROMs otherwise it would be just a virus on your SD Card feeding off of personal data. If it is only CyanogenMod ROMs, we will adress this issue ASAP. Hope I helped
Thank you VS4, you are indeed helpful
I've since heard some people have managed to fix their SD cards by formatting them in ClockworkMod but I can't even mount it first in order to do this! Is my card truly dead?
Also, do you think the reason that CM7.0 had no root (even when it was a clean install) was due to me not 'fixing permissions'?
Thanks
Just a note to say that I've managed to fix it!
Despite being unable to 'mount sdcard' in clockworkmod, I found I was able to activate USB Storage and through this I was able to format the card (Windows 7 was previously saying that the same card was 'read only' in a multitude of card readers).
I hope this helps any poor chap with the same problem.
I had this exact same problem, munched 2 of my 8GB cards, and had a 16 on the way. I somehow fixed it before the 16 came and I've never had the issue since, glad to see an explanation of it.
Thanks, nofixio!
I had the same problem on my Samsung Fascinate with CM7. It ate my 16GB SD card to the point where the phone wouldn't recognize it, CWM wouldn't mount it, and it wouldn't show up on my computer in multiple SD readers.
I wasn't quite clear what you were suggesting when you said you were able to "activate USB Storage." I thought maybe you meant within CWM. That didn't work for me, but I was able to boot the phone up with the problem SD card in it and turn on USB storage as normal. Suddenly my computer could not only see the SD card, it could see all the files that were on it before it died! I backed everything up, formatted the card in Windows, and everything's good now. Thanks for the tip!
rfschmid said:
Thanks, nofixio!
I had the same problem on my Samsung Fascinate with CM7. It ate my 16GB SD card to the point where the phone wouldn't recognize it, CWM wouldn't mount it, and it wouldn't show up on my computer in multiple SD readers.
I wasn't quite clear what you were suggesting when you said you were able to "activate USB Storage." I thought maybe you meant within CWM. That didn't work for me, but I was able to boot the phone up with the problem SD card in it and turn on USB storage as normal. Suddenly my computer could not only see the SD card, it could see all the files that were on it before it died! I backed everything up, formatted the card in Windows, and everything's good now. Thanks for the tip!
Click to expand...
Click to collapse
how do i activate usb storage? i have several memory cards that stopped working out of no where and i have important files on them. PLEASE HELP!!!
hotboyray said:
how do i activate usb storage? i have several memory cards that stopped working out of no where and i have important files on them. PLEASE HELP!!!
Click to expand...
Click to collapse
I'm not sure why you would ask this in such an old thread but... Try just plugging it in to your computer maybe? What ROM are you on?
noneabove said:
I'm not sure why you would ask this in such an old thread but... Try just plugging it in to your computer maybe? What ROM are you on?
Click to expand...
Click to collapse
im running cm7 ... it wont read from computer. i tried several micro sd card readers. it just tells me it cant format. its just like what was mentioned before.
Weird, I've never had any problems with Cyanogen 7 roms. I've flashed one over another and had no issues at all, Mayb because I use SuperWipe before hand? Or maybe its a certain sd card issue???
Running Desire Z and Andromadus Beta 11 I had similar problem after I had applied remote wipe from Exchange (wanted to see if it works). Remote wipe worked: it destroyed contents of SD card and erased phone back to factory settings. After wipe mounting SD card failed and Andromadus seemed to be unable to format the card.
Solution: Booted phone to Clockwork recovery and applied advanced -> Partition SD Card.
Posted this on this thread since it came first when searching solution.
hotboyray said:
how do i activate usb storage? i have several memory cards that stopped working out of no where and i have important files on them. PLEASE HELP!!!
Click to expand...
Click to collapse
Go into Recovery (Clockwork), go to mounts and storage, then scroll down and it should say mount USB storage.
I'm having the worst time finding a solution to this, and it's backwards from everyone else's problems that I'm finding.
For the first time, I decided to Root/Flash my phone to a custom ROM via CWM and Beanstalk. Everything went smooth. But now while in the Android OS I am completely unable to mount my 64GB External SD which was fully functional in Stock.
To clarify (and what's backwards from everyone else's problems apparently) is that in CWM I CAN see/mount the External drive and browse files on it. It's only once Android boots that the External SD fails to mount. I've Reset/Reloaded the ROM, as well as CWM, and the result is always the same. I've even tried a different version of CWM (Philz Touch: http://forum.xda-developers.com/showthread.php?p=38298833). Works great, but the Recovery loader isn't the problem...it's always within Android itself that it vanishes.
I've also, via CWM, wiped every cache there was. The two things I have not done are formatting the Internal and External SD's.
The only solutions I have found in the forums/online are people who have reformatted their external SD's to Fat32 instead of extFAT, and I'm willing to give it a shot, but thought I'd check here first.
I scoured through all 110+ pages of the Beanstalk ROM forum (http://forum.xda-developers.com/showthread.php?p=38298833) and no one apparently is having this problem, so I'm not about to blame the dev.
Any thoughts/help is greatly appreciated!
fat32 is the way to go; all problems solved..
wase4711 said:
fat32 is the way to go; all problems solved..
Click to expand...
Click to collapse
This^^^^^^^^^^......
Format the card ....to FAT32....
And wase deserves a thanks...g
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app
:highfive:
Does the FAT32 let you keep files bigger than 4gb? I have a 64gb, and use most of it for HD movies for my kids. (Brave, Nemo, etc.)
nope it doesnt...but most of us just use a program that takes those files and converts them to a smaller size type...handbrake is what I use, and it takes a 8 gig mkv file and knocks it down to under a gig...much smarter idea...and, on a 5 inch screen, you cant tell any difference in quality..
fix
I could swear I saw an EXFAT fix for Beanstalk a few days ago, somewhere on here....run a search. I will check my history.
some kernels allow for exfat use, but, not all of them do, so why bother with it; just go fat 32, make those movies smaller, and this problem is no longer a problem, no matter what rom/kernel you decide to use..
wase4711 said:
some kernels allow for exfat use, but, not all of them do, so why bother with it; just go fat 32, make those movies smaller, and this problem is no longer a problem, no matter what rom/kernel you decide to use..
Click to expand...
Click to collapse
I guess I'm annoyed that if have to move everything to my computer... Then back to the SD to format it. Its the only thing keeping me from dual booting.
Sent from my SAMSUNG-SGH-I317 using Tapatalk 4
well, you should back up the contents of your sd card to your computer anyways, so this is a good time to do that..
Thanks for the feedback - greatly appreciated.
I formatted my SD card to FAT32, but did it in recovery mode on the phone, turning on "Mount USB" mode - and did it through the phone via my PC and a USB cable.
After I did this, now CWM/Touch can no longer mount the card, and Beanstalk ROM still can't see it. However, I'm getting a different message now - something about the SD card "being empty". If I try to formatted it via Beanstalk while booted into android, nothing happens.
After some reading, people have advised using an SD Reader - and formatting the SD card via the Reader connected to a PC. I don't have a reader yet (I'll grab one shortly) but thought I'd ask first - whether the SD card is formatted FAT32 while in the phone, or done via an SD Reader, does it matter? Is there a real difference in how the SD card is formatted between these two scenario's?
I saw this on Phiz Touch CWM recovery loader: "All external sdcard issues: first format in PC with primary partition, tons of people are formatting as logical and come cry". So what I'm assuming is that somehow the SD Reader via the PC creates a "Primary" partition whereas if it's formatted via the phone and a USB cable, maybe it formats it as a Logical?
Thanks again for the help - once I get this all sorted out I'll be sure to post back with my solution for anyone else struggling.
format it in your computer for fat 32, then throw it in the phone.
when you bought it, it should have had a larger sd "holder" that you can use to format it on your computer, assuming you have one, or a sd card reader is built into your computer.
Sometimes I have had issues formatting my cards in my phone; I have used my camera, and my computer successfully, but the phone formatting can be iffy, so do it on a pc, and you wont have any issues. Format it as fat32, and use the default allocation size, if that comes up in the formatting dialog on your pc
You're the man - I feel like I at least owe you a coke for your timely responses.
Oddly enough, I think I cleaned house a while back and chucked every single adapter card I had - trust me...I just went through every box/bin/desk I owned trying to find one. So yeah, learned myself a lesson right there.
I do have a camera - maybe I'll give that a shot in the meantime and see if that does any better.
I wanted to post a follow-up with my status.
I grabbed a USB card reader (the kind you can put Micro SD's or standard SD's into, then plug them into the PC like a USB stick), used one of the recommended FAT32 formatting programs, and viola! Everything is fixed and the SD is working as designed.
Big thanks to wase4711 for the insight and help! I'm totally excited about trying other ROM's, now that I have that issue ironed out.
Kudos!
glad to see it worked for u..
okay, i've tried and looked for a similar issue but so far i can't find anything related.
I have a sandisk microsd ultrahc card 16gb.
the card itself works extremely well, both in my device when using the stock / custom samsung based roms,
Didn't really notice this untill i tried out android 4.3, at wich i thought first could be a bug in the rom, the settings kept fc'ing the moment i opened up the storage part, and a com.android.media kept fc'ing the moment i attached the usb cable.
as i thought 4.3 was the culprit i flashed 4.2.2 wich also had similar issues up until the moment i removed the card from my device and restarted, everything worked smoothly afterwards.
I've tried using exfat / fat32 both with cluster of 4096 and 8192 and neither of those helped in any way. Turns out that both TWRP and CWM (yes i tried it in both) also can't seem to mount the sd-card.
Is there any workaround for this issue? or do i have to get myself another sd-card?
I think it's the ROMs man messing things up...i tried android 4.3 yesterday and my whole android directory changed like I had to go into a folder called 0/0/0/my android files. to reach my files etc couldn't mount from sdcard couldn't copy things across from pc...I just flashed back my original stock firmware and everything is good..... android 4.3 is pretty messed up..give it time to mature still very buggy
Sent from my GT-N7105 using Tapatalk 2
The messed up folder i should get used to thoug its because of the multiple user profiles things are getting a bit messy.
Its something they added in 4.2.2 i believe
Best way to do it is to flash the rom and afterwards copy back everything to the sdcard.
Didn't have any issues with another sd card i still had laying around but that thing even thoug class 4 doesn't get more than 1mbps transfer speed.
Sent from my GT-N7105 using xda premium
if the sdcard works on your pc with directly like by using an mmc adapter or sdcard to USB converter then your card is ok if it just didn't work on the phone it has to be a software issue our maybe the hardware mmc port is faulty??!
Sent from my GT-N7105 using Tapatalk 4
thats just it, the sd card works like a charm untill i upgrade to 4.2.2 or 4.3. however both recoveries can't mount the sd-card either.
its not one of those black ones that goes to class 10, but an ultra hdsc class 1 so might be something related to not being able to work properly with anything higher than class 10
nope....the class issue has nothing to do with software.....that's purely the job off the chip electronics/hardware.... I would say a combination of your recoveries and ROMs like I had the same issue once the custom recoveries maybe can't point to the location/ section of the memory card...try changing to different version of the recovery...maybe that could help but be sure the recovery is supported on your device...these are risky issues...so only do it at your own risk
Sent from my GT-N7105 using Tapatalk 4
i've tried several versions of CWM both touch and normal, also philz (yesterday but touch didn't work as it should so won't stick with that one) and TWRP but none of them could mount/find the external_sd, the only think properly working with that sd card is the stock samsung and custom roms based on stock.
(not particulary fond of TWRP, i like the layout and how it works, i just don't like the backups of that recovery, can't copy them to my computer, the extensions keep giving me an error and they are located on the phone's storage)
the sd card couldn't be found in my sensation xe neither i remembered just now after i stopped using the 4.0 stock rom and switched to custom roms, at the time i didn't really see a connection and thought my sd card just didn't want to work properly in my sensation anymore, But having the same issues, and using another sd-card in the phone worked again. Used the ultra sd card in my tabled and because i didn't use that one anymore and someone in my family needed a 16gb one for tomtom europe i gave my good one away )
gonna get myself a new sd-card this afternoon as the 8gb i had laying around isn't getting higher transfer speeds then 1mbps at most even if its a class 4. a shop nearby has a class 10, 16gb for 13 euro's so reckon thats not a bad deal, might even go for the class 10 32gb for 26 euro's if they have it in stock.
I have a 64gig card and had similar problems. With phils recovery it only works when formatted fat32. Think that exfat is not supported. With stock kernel it mounts exfat with any other kernel i tried it would only mount fat32. I think samsung kernel has support for exfat and others dont. So it might not be adroid related but kernel related.
Grumps said:
I have a 64gig card and had similar problems. With phils recovery it only works when formatted fat32. Think that exfat is not supported. With stock kernel it mounts exfat with any other kernel i tried it would only mount fat32. I think samsung kernel has support for exfat and others dont. So it might not be adroid related but kernel related.
Click to expand...
Click to collapse
weird thing is though, even when formatted to fat32 and not exfat, android 4.2 and 4.3 will not recognise my card, also the recoveries i only get an error when i want to mount my sd-card
my tablet which is running an aosp version of android 4.0 or 4.1 (can't quite remember) could handle the sd-card just fine, while both my phones have issues with it.
solved it by buying myself a new sd card, ^^ now i can at least safely backup to my external card instead of the internal memory.
Hi,
I have just purchased 64 GB Class 10 Samsung micro SD card with a SD adapter and USB adapter.
I plugged it in to my S4 and everything seemed OK. Copied all of the contents from my old SD. Everything was working fine until I restarted my phone. After restart all of the files were present by could not access them. Some of the files and folders had ~ as prefix. Plugged the card in my PC and the files were corrupted. Recopied everything and tried several times again. The same outcome. Reformatted the card to exFAT and to FAT32 both from my phone or my PC using several available programs. No success. Whenever I unmount the SD card or restart the phone the files get corrupted. So I figured the card is broken. So I decided to test it only on my PC. Copied lots of stuff to it (music, movies etc.) and started using it on my PC. I have mounted/unmounted it on my PC probably 100 times and it works just fine. So that means that the card is fine (or am I wrong???). Also tried it to plug it with the usb adapter into my TV. It says that usb disk is empty.
The files only seem to get corrupted when I place the card in my S4 and unmount it/restart the phone. The card works just fine on my PC.
Does anyone else have this issue?
I am running a rooted 4.3 Android OS.
Thank you!
You have to partition the card into 32GiB chunks. So make two, 32GiB partitions and it will work fine in your S4, except it will show you have two external sd cards.
Sent from my SGH-M919 using XDA Premium 4 mobile app
vladimir.gjurovski said:
Hi,
I have just purchased 64 GB Class 10 Samsung micro SD card with a SD adapter and USB adapter.
I plugged it in to my S4 and everything seemed OK. Copied all of the contents from my old SD. Everything was working fine until I restarted my phone. After restart all of the files were present by could not access them. Some of the files and folders had ~ as prefix. Plugged the card in my PC and the files were corrupted. Recopied everything and tried several times again. The same outcome. Reformatted the card to exFAT and to FAT32 both from my phone or my PC using several available programs. No success. Whenever I unmount the SD card or restart the phone the files get corrupted. So I figured the card is broken. So I decided to test it only on my PC. Copied lots of stuff to it (music, movies etc.) and started using it on my PC. I have mounted/unmounted it on my PC probably 100 times and it works just fine. So that means that the card is fine (or am I wrong???). Also tried it to plug it with the usb adapter into my TV. It says that usb disk is empty.
The files only seem to get corrupted when I place the card in my S4 and unmount it/restart the phone. The card works just fine on my PC.
Does anyone else have this issue?
I am running a rooted 4.3 Android OS.
Thank you!
Click to expand...
Click to collapse
If you don't want to make two seperate partitions on your external microSD card then do the
following:
Remove your external microSD and plug it into a card reader and or the adapter which came
with the card then plug it into your computer.
Make an empty folder on desktop of computer and copy all files and folders from the microsd
card into the empty folder.
Format your external microsd using this windows utility and copy all the files/folders back onto
the card from your computer and replace it into your phone.
Here is the direct download link for this fat32 formatter which is a windows utility:
http://download.cnet.com/MiniAide-Fa...74ffba47b88ad1
By doing the above your external microSD card should work fine in your phone.
Good luck!
xdapowerapps said:
You have to partition the card into 32GiB chunks. So make two, 32GiB partitions and it will work fine in your S4, except it will show you have two external sd cards.
Sent from my SGH-M919 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Thank you for your reply. I did as you suggested and it worked for some time. I mounted/unmounted several times and it seemed fine. Then did a restart and the files were corrupted again.
Why does the card need to be divided in 2*32GB in the first place? Isn't the S4 suppose to support 64 GB cards?
Your suggestion seemed to isolate only part of the problem. It remains only the restart. What can be associated with corrupting data on sd card and android restart?
Misterjunky said:
If you don't want to make two seperate partitions on your external microSD card then do the
following:
Remove your external microSD and plug it into a card reader and or the adapter which came
with the card then plug it into your computer.
Make an empty folder on desktop of computer and copy all files and folders from the microsd
card into the empty folder.
Format your external microsd using this windows utility and copy all the files/folders back onto
the card from your computer and replace it into your phone.
Here is the direct download link for this fat32 formatter which is a windows utility:
By doing the above your external microSD card should work fine in your phone.
Good luck!
Click to expand...
Click to collapse
Thank you for your reply. Unfortunately it didn't work. I tried similar thing with other software also (Minitool partition wizard, Panasonic SD formatter, etc.). When I unmount/mount or restart data corrupts
vladimir.gjurovski said:
Thank you for your reply. I did as you suggested and it worked for some time. I mounted/unmounted several times and it seemed fine. Then did a restart and the files were corrupted again.
Why does the card need to be divided in 2*32GB in the first place? Isn't the S4 suppose to support 64 GB cards?
Your suggestion seemed to isolate only part of the problem. It remains only the restart. What can be associated with corrupting data on sd card and android restart?
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No, it depends on your kernel if it supports a certain FS. I am not sure why your files are being corrupted other than one, your ROM isn't unmounting your card properly on restart or two, your card has issues. Again, I am not sure.
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In that case do you suggest I try changing kernel? Do you think that might help? My kernel version is 3.4.0-2082040 if that means something. Do all S4s come with the same or different kernel? Will it help If I unroot or maybe install other ROM for different country or different operator?
re: external sdcard
vladimir.gjurovski said:
In that case do you suggest I try changing kernel? Do you think that might help? My kernel version is 3.4.0-2082040 if that means something. Do all S4s come with the same or different kernel? Will it help If I unroot or maybe install other ROM for different country or different operator?
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All the stock S4's come with the same kernel, so if your S4 is stock then it's not a kernel issue.
Have you tried any other external microsd cards, if not that's what I would do next.
Most of the better microsd cards have either a 2-3 year or a lifetime warranty.
Good luck!
I currently use my old 8GB sd card with no problems whatsoever. My S4 is rooted. Does that change the kernel? Should I unroot?
Misterjunky said:
All the stock S4's come with the same kernel, so if your S4 is stock then it's not a kernel issue.
Have you tried any other external microsd cards, if not that's what I would do next.
Most of the better microsd cards have either a 2-3 year or a lifetime warranty.
Good luck!
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