I have a MT3G rooted with CM 4.0.4 using the one click method. I'm getting a new Transcend 8GB Class 6 card. I believe this card come with an adapter to plug into a regular SD slot. To format do I just use my comp to format the card to FAT32? Then load my saved data back to the sd card and load it back into my phone? Is it that easy?
Welcome to forums,
Yes it works that way
lol, yep as orb says
I have the same card (which i will be shortly throwing in the bin due to its unreliablity) and find its better to use the sd adaptor than one of those crappy usb adaptors for micro sd cards (like the sandisk usb adaptor that doesnt work!!)
Just my opinion, but id recomend buying the best make you can when it comes to micro sdhc cards, my transcend one decided to wipe itself clean the other day during a phone call..... a sure warning that its on its way out....
Lost all my music, photos blah blah..... (didnt back it up either tut tut...)
Flash Format is the best way, imo. I've had corruptions before where my pc and fuze couldn't sse the card, but flash format was able to re-format. The demo works fine, and the app costs about 10 bucks. I've had major problems with my 16 g sandisk, but think I figured out how to keep it healthy. Quick tips: 1 Set all default downloads a nd save paths and whatnot to main memory, including PIE cache. 2 Put any apps you use a lot or especially that run continuously (don't forget services) on main memory. 3 Do not put Finger Keyboard on your card, lol. The instructions tell you not to, but this is not a challengr to do it anyway. Guaranteed corruption. Trust me, I did it cuz I'm an idiot. 4 If you use a disk scanner/repairer, and it finds problems, don't just delete the recovered (and messed up files). Open them with notepad, and see what they are. This will give you an idea of the corruption source.
My notebook is not picking up the sd card with adapter? I have a slot on my notebook, I thought it was bad contact, cleaned it and still nothing? WTF!!
timmymarsh: This is a subjective topic in terms of SD card, I looked and everybody recommended Transcend, its even on a list of recommended cards by TMobile?? I guess I'll find out? Do you have a recommendation?
FarmerTed: Flash format say nothing about being compatible for android os? I don't know if it will work?
why dont you just put the sd card into you phone. mount the sd card via usb and format it from there?
I tried that, but my notebook says theres nothing? I also tried just installing the new card and trying to format it with the phone. I formated the card, but it said the card is damaged and it wont do anything? So either the card is just not getting recognized or it is bad? I'll keep tinkering with, if it doesnt work, I'll send it back to newegg.
Mr3G said:
FarmerTed: Flash format say nothing about being compatible for android os? I don't know if it will work?
Click to expand...
Click to collapse
Oops, sorry, didn't realize you were on android. All I can suggest is searching for a similar app that runs on android, or maybe looking for undelete programs for your desktop. There's probably something out there that will fix your card.
Mr3G said:
My notebook is not picking up the sd card with adapter? I have a slot on my notebook, I thought it was bad contact, cleaned it and still nothing? WTF!!
timmymarsh: This is a subjective topic in terms of SD card, I looked and everybody recommended Transcend, its even on a list of recommended cards by TMobile?? I guess I'll find out? Do you have a recommendation?
FarmerTed: Flash format say nothing about being compatible for android os? I don't know if it will work?
Click to expand...
Click to collapse
Yh it is subjective and i dont know about recommendations, but im going to think about sandisk, im just very cautious about transcend card after it wiping itself....
Hey guys,
When I plug in a USB Hard drive into my TF101, the "Preparing" message flashes for about half a second then disappears and I seem to have no way of accessing the hard drive.
USB memory sticks work fine though, I've tried 2 different hard drives, one portable, one external with it plugged into the wall, when I tried the portable I plugged the secondary hard drive usb connection into my laptop just to make sure there was enough power.
The hard drives do spin up though, any thoughts?
I'm using the newest Revolver ROM
Many thanks.
Restart your TF.
Microsoft windows has been around for over 20 years. Android for tablets have been around for about 6 months. If you want a perfect system, go get an ipad.
I think your tampon needs changing.
But hey! thanks for the tip!
and thanks for the condescension, you must be so proud.
clap clap.
Other than this problem I'm loving my tab, loving Android as well, it's not a huge issue, guess I'll just have to change roms.
I'd never get an iProduct, they're glorified, trendy, expensive and not very functional when compared to Android.
i dont know but i dont think my western digitial harddrive works with my transformer ever. it never worked and i figured that the tablet didnt output enough voltage for it. just my thought, im probably wrong if anyone out there is more knowledgeable than me.
I have a wd 1tb USB hard drive and works flawlessly with my current rom
Sent from my SAMSUNG-SGH-I777 using XDA App
Some stock versions can't read ntfs. Reformat to fat32. Or get the ipad.
Ahhh, that may explain why I couldn't access the music, photos and videos on my media drive (a 500 GB HDD that I took out of a laptop that crashed).
I thought it was the size of the drive (>64 GB)
With the ntfs issue, I am currently baffled. Some people have sworn that they got non-rooted stock and could read ntfs just fine. And some people have sworn that they got non-rooted stock and they can't read ntfs but when they reformatted to fat32 they could read them.
I've asked this many times and can't get a unified answer whether the stock can raed ntfs or not. For now, just assume yours can't and so you will have to reformat to fat32 in order to use it with your TF.
Why is it such a problem moving large files, such as roms, to the sd card from a pc thru usb. It will stop and say something about camera has stopped. I had to put my sd card in the wifes HTC tb to put the rom on the card and put it back in the SG3 to install a rom. Am I missing something?
Thanks, Mike
I have this issue too and hate it big time.
I have to move 200-300mb at a time now.
Moving more is like never gonna happen. Wish they'd fix this. Hate to have to buy a micro sd OTG USB adapter just to move files around.
Try different cables. I am constantly moving large files around with no issues. In fact it's faster than moving files from my hard drives on my cpu. 1gig from sd to cpu takes less than 30 seconds. Faster from external sd/running sd speed boost.
Sent from my VZW GS3 running Synergy/LeanKernel/Dark Horse Rises
Tried several, tried the one that came with the SG3, tried the one that came with the HTC TB, Tried a motorola. All with same result. Moving files off sd is no issue, just moving files onto sd from pc is problematic. Few songs at a time is no issue, but a ROM is not going to happen. Gets all the way done then states camera has stopped and will not go. I keep thinking I must have an option ticked incorrectly somewhere in the phone, but if it is, I can't find it.
Mike
Your in mtp mode, not camera mode correct? Loading onto sd is good for me, 800mb rom's load on I'm less than a min. Weird.
Sent from my VZW GS3 running Synergy/LeanKernel/Dark Horse Rises
Actuall no I was in (PTP) camera mode. I just saw move any files. That must be the issue. I saw the MPT and thought it was just for syncing audio and such. Will try when I get off work. Thats probably the problem I was looking for, Thanks.
Mike
I have the exact same problem (one I've never had with any other phone)
I was trying to copy blue-ray rips to my 64 gig sandisk card while the card was in the phone. I am using a brand new straight from the package cable that came with my second G3 (I have 2 phones). It starts to copy just fine, but quits 1/2 way thru & stops responding. every single time.
This is a brand new I7 PC that I just built a few weeks ago running Windows Seven Pro with 8 gigs of DDR3 RAM.
If I use a universal reader (even thru a USB HUB) the files copy just fine either from any of the three 2 terrabyte secondary hard drives or from the solid state boot drive to the card.
jmorton10 said:
I have the exact same problem (one I've never had with any other phone)
I was trying to copy blue-ray rips to my 64 gig sandisk card while the card was in the phone. I am using a brand new straight from the package cable that came with my second G3 (I have 2 phones). It starts to copy just fine, but quits 1/2 way thru & stops responding. every single time.
This is a brand new I7 PC that I just built a few weeks ago running Windows Seven Pro with 8 gigs of DDR3 RAM.
If I use a universal reader (even thru a USB HUB) the files copy just fine either from any of the three 2 terrabyte secondary hard drives or from the solid state boot drive to the card.
Click to expand...
Click to collapse
More than likely its as annoyingduck said, try mtp mode not ptp(camera). I think ptp is just optimized to do a 'camera' sync onto your computer. (for windows users, that annoying dialog box that pops up asking if you want to sync video, pictures, make a dvd, etc...)
I didn't realize I had the same problem as well. Awhile ago, I noticed that my data transfers would time out and I've only ever used camera mode. Thanks for the tip!
Sent from my SCH-I535 using xda app-developers app
You could also give Airdroid a shot. It works over wifi so it's just a touch slower than the USB cable, but it's super solid and is wireless too!
No mention of manufacturer, class or capacity of sdcard?
Makes a huge difference.
Also make sure to be using an OEM usb cable from a major manufacturer. Knock off or cheapy dollar store cables just don't cut it for charging, let alone transfer...
noingwhat said:
You could also give Airdroid a shot. It works over wifi so it's just a touch slower than the USB cable, but it's super solid and is wireless too!
Click to expand...
Click to collapse
I actually find it a shade faster than my pitiful USB 2.0 ports.
Takes about 5-10 minutes to xfer 700mb files on Airdroid. I think anyways, I'm guestimating from about 10 hours ago when I xferred a 700mb file. I wasn't on top of it but I'm pretty sure it finished closer to the 5 minute mark...
That fixed it, switched mode and tranfered a rom. First time it timed out, tried again and it went through fine. Was using the OEM cable with a 32 gb sd, not sure of class. I know its not a 10. Will take a look at Airdroid, thanks for that tip.
Thanks, Mike
I like using samba wireless. It's free but requires root.
Sent from my SCH-I535 using xda app-developers app
Blue6IX said:
No mention of manufacturer, class or capacity of sdcard?
Makes a huge difference.
Click to expand...
Click to collapse
Sandisk (junk, I've had three burn up) class 10
I can take the card & stick it in my Rezounds & it loads fine, put it back in the G3 & nothing but problems so I gave up and use a card reader.
Hey everyone I had a question. Does anyone have issues with lack of storage or is 16 or 32 enough? I'm wanting this phone but im wondering if the lack of SD card will be ok. Thanks everyone.
Space required is your personal preference.
its all up to your personal needs, i skipped n4 for the 32gig n5 and honestly i haven't used up anything more than 20gigs of my phone. Heavy gamer so i needed the space, also I do use my phone as an entertainment hub instead of a communication device, tones of songs and 4-5 movies fill up my phone.
16 wasn't enough for me. 32 may have been OK.
I have the 16GB and a Meenova USB OTG micro-SD card reader. Works nicely with Lollipop so far. (I have StickMount Pro; not sure if it's necessary but I bought it for KitKat.)
How much space does lollipop take up on the phone?
tEcHsAvY said:
How much space does lollipop take up on the phone?
Click to expand...
Click to collapse
It takes nothing out of storage. Storage refers to the /data partition. ROM sits in /system partition. They're fixed sizes so it.doesn't matter how.much lollipop takes up
If you genuinely want to.understand, you can go to sticky roll-up in my signature then look for the storage thread.
Ok will do, thanks a lot!
Moving the intent of a few posts on LineageOS thread to here.
rb1979 said:
Hi everyone,
Some of you reported that SD Card stopped working. This happened to me too today after about 20 hours after the latest update. The case with me is it doesn't fix itself even after a restart. I'm kind of stuck, whatever I want to do with the SD Card it wants me format it. I always had it as internal storage with apps and other things there. I have the the backup from the before the update. Will that fix if I restore it? Just want to mention that I update every week and never missed one. I had very minor issues up until now. Week in and week out everything has been fine and I started using the rom with the first release, all clean, full format and then weekly over the air updates every single week.
If anybody know any solution please let me know, if nothing works or I don't hear anything I'll probably try the backup restoration. BTW, to be specific about SD card no working I always get two notifications, one is "Unsupported SanDisk SD card" and the other is "SanDisk SD card missing"
Thank you
Click to expand...
Click to collapse
KrisM22 said:
Use a card brand other than sandisk and size 32GB or less.
Click to expand...
Click to collapse
rb1979 said:
Thank you for you help, I really appreciate it. The problem I see, right or wrong, is that I had this card for a year with no issues, first under stock rom, then under CM, and now under LineageOS up until the latest update with no issues at all. So it's just hard for me to take the card as the problem. Especially after seeing other people reporting it too lately. Do you have more information than just that? Meaning LineageOS and won't ever get along with sandisk or size larger than 32GB because of some external hardware limitation or something like that. Or this is just general knowledge what works best with LineageOS? In the first case I can think about case I can go and invest into a new card but in the second case I can just wait it out until codebase improves. It would good to know more so I can make better decisions.
Thanks for your help again.
Click to expand...
Click to collapse
KrisM22 said:
In my experience, most folks presenting SDcard problems have sandisk. I personally have had problems with sandisk that has led me to avoid them. I prefer samsung. There are many others. edit currently using a pny U3 32GB, but it's an old one and only does 56/29MBs R/W.
Click to expand...
Click to collapse
adityak1303 said:
+1 @KrisM22. I agree that almost all the users that state that there's a problem with their SD card were using a SanDisk SD card including myself. @rb1979, if you really think that your card isn't faulty, then try using it in some other phone. If you face the same errors then your card is faulty. If it works fine on the other phone, only then can it be considered as a problem with the ROM.
Click to expand...
Click to collapse
rb1979 said:
Thanks both of you, I'll do some testing around and get back to you with my findings.
Click to expand...
Click to collapse
KrisM22 said:
I just ordered one of these because I want to test the 64GB thing as it keeps coming up.
Samsung 64GB 100MB/s (U3) MicroSDXC EVO Select Memory Card with Adapter (MB-ME64GA/AM) - $23 + some silly $3 thing to get free shipping over $25. There are faster ones out there but I'm a cheapskate and don't use it enough to justify it.
Click to expand...
Click to collapse
That's most of it - then it goes verbose and wobbly.
I welcome any and all comments about SDcards!
There is no OT here but remember the XDA rules and try to be nice to folks. You can learn without trying to control others' behaviour.
No need to pretend you are TD. (allusion to Alice in Wonderland - Top Doormouse)
Thanks for creating this thread. There are surprisingly few other recent threads that discuss this topic on XDA apart from the one I've previously linked to (https://forum.xda-developers.com/android/help/micro-sd-write-access-format-exfat-t3358275). Also, I'm bringing over the well informed SD related comments that you left behind.
---------------------------
I've got to push back on the apriori assumption that these are specifically Sandisk brand card issues without knowing the specific details of the issues and seeing actual logs, and also without knowing the history of the individual cards in question (details of every device it was connected to and how it was connected, what OS and what file management methods were used, and how full the card typically is, and how frequently it might be disconnected in the middle of a file operations, among other things).
We must be mindful of the fact that the majority of SD cards in circulation are Sandisk cards which means that the majority of reported problems will be on Sandisk cards but this does not mean that the Sandisk cards are experiencing proportionately more issues than other brands. I don't doubt individual experiences, but it they may not speak to a larger picture. For example: Having supported large systems (>300 devices) running Linux directly from SD cards I did not see more problems with Sandisk cards than others. We've not seen enough evidence here to declare that this this is a Sandisk problem.
rb1979 said:
...I had this card for a year with no issues, first under stock rom, then under CM, and now under LineageOS up until the latest update with no issues at all.So it's just hard for me to take the card as the problem
Click to expand...
Click to collapse
The fact that a card has been used for a long time under different circumstances does not support a logical argument that the problem is in the ROM, in fact that supports the logical argument that the problem is with the card.
adityak1303 said:
....if you really think that your card isn't faulty, then try using it in some other phone. If you face the same errors then your card is faulty. If it works fine on the other phone, only then can it be considered as a problem with the ROM.
Click to expand...
Click to collapse
Good advise since, if the cards is having problems it should bring the problems to the other devices. Testing a different card in the first device on which the problem was noticed is also a good test.
--------------------------
Here is some supplemental information specific to Sandisk SD cards' built in data protection on cards experiencing failure. https://forum.xda-developers.com/android/help/micro-sd-write-access-format-exfat-t3358275. To summarize what is there: An SD card may begin to fail unknown to us, and then when the built in data protection is invoked it "breaks" the card with a dirty bit at beginning of drive so it cannot be written to or formatted but still allows us to copy data. The symoptoms when that data protection is invoked are similar to those bing reported by people who can no longer mount the card in Android devices (Android devices require read and write access to mount the card, unlike when the card is access via card reader on computer).
Just an update. I tried to format the card as portable storage (after this failure as internal and being burned I have hard time trusting it now) but it fails. I didn't do any testing with other phones just went straight for format. I might just buy another card. I think the phone specs say it's 32 GB max, is it still the case with different OS or not (meaning it was due to software not hardware) if I could get something higher than 32 (the current broken one is 32) I would go for it.
Thanks
rb1979 said:
Just an update. I tried to format the card as portable storage (after this failure as internal and being burned I have hard time trusting it now) but it fails. I didn't do any testing with other phones just went straight for format. I might just buy another card. I think the phone specs say it's 32 GB max, is it still the case with different OS or not (meaning it was due to software not hardware) if I could get something higher than 32 (the current broken one is 32) I would go for it.
Thanks
Click to expand...
Click to collapse
I believe after you use it as internal, and then try to use it as external, you first have to write an MBR on it and a partition formatted FAT32. i use a bootable stand-alone GPARTED to do that.
http://gparted.org/
Moto says it's limit is 32GB. Folks have, I believe, used much bigger cards on it. Don't know what is the limiting factor - be it software (ROM) , hardware, or licensing (exfat for Microsoft). I have ordered a 64GB Sammy which I should get in 1/2 week so I can test. Course I wouldn't be doing exactly what you would be doing so the test would only show that the G3 could read/write to it. I will only use it as external storage. I don't really "need" 64GB but it will allow me to be a bit more sloppy vis a vis nandroid backups.
It could be that after you format yours, that it will suddenly work just fine. Then again I just had a thumb drive go belly-up from I/O errors - once in a great while, it happens.
KrisM22 said:
... Moto says it's limit is 32GB. Folks have, I believe, used much bigger cards on it. Don't know what is the limiting factor .
Click to expand...
Click to collapse
I've got a 128gb in my Moto G (3rd - XT1540 2GB), and I have used the card for a long time. It works just fine for me, and the space is obviously fantastic to have. Every now and then (every few months or so, I'd say - maybe 3 times in the 18 months I've had it), it does become corrupted, though, and I get those same error messages. A backup, wipe/re-format, and restore, and I put it right back in my phone and it works just fine again. Seems like that's happened in other devices, though, too.
The card is a SanDisk Ultra SL128 (Class 10/UHS-1, man'd Jan 2016). I've only ever used it for external storage, never adopted, and I've only ever formatted the card as FAT32, using my PC. I'm running stock Android 6.0 24.24.1 at the moment, with TWRP.
beachfl said:
I've got a 128gb in my Moto G (3rd - XT1540 2GB), and I have used the card for a long time. It works just fine for me, and the space is obviously fantastic to have. Every now and then (every few months or so, I'd say - maybe 3 times in the 18 months I've had it), it does become corrupted, though, and I get those same error messages. A backup, wipe/re-format, and restore, and I put it right back in my phone and it works just fine again. Seems like that's happened in other devices, though, too.
The card is a SanDisk Ultra SL128 (Class 10/UHS-1, man'd Jan 2016). I've only ever used it for external storage, never adopted, and I've only ever formatted the card as FAT32, using my PC. I'm running stock Android 6.0 24.24.1 at the moment, with TWRP.
Click to expand...
Click to collapse
Thanks - Becoming corrupted every 6 months seems excessive, but with heavy use...? So what do you use it for? Also it sounds like you are using something other than the phone to format it...?
At least you are ready for it and just re-format it!
beachfl said:
I've got a 128gb in my Moto G (3rd - XT1540 2GB), and I have used the card for a long time. It works just fine for me, and the space is obviously fantastic to have. Every now and then (every few months or so, I'd say - maybe 3 times in the 18 months I've had it), it does become corrupted, though, and I get those same error messages. A backup, wipe/re-format, and restore, and I put it right back in my phone and it works just fine again. Seems like that's happened in other devices, though, too.
The card is a SanDisk Ultra SL128 (Class 10/UHS-1, man'd Jan 2016). I've only ever used it for external storage, never adopted, and I've only ever formatted the card as FAT32, using my PC. I'm running stock Android 6.0 24.24.1 at the moment, with TWRP.
Click to expand...
Click to collapse
That may not be drive corruption but rather a corrupted file or files. If it is localize drive corruption it may still be there without having any impact until some data is written to that part of the drive. Unlike platter based hard drives, when these drives actually start to fail they may invoke a built in data protection (dirty bit) which resembles being locked in read only mode preventing the drive from being formatted which is obviously not your case. Have you ever done a sector scan of the drive, eg chkdsk <driveletter> /f /r or done a full format (as opposed to quick format)? Either of those things may flush out localized damage and the scan might fix it but they would take a long time.
KrisM22 said:
Thanks - Becoming corrupted every 6 months seems excessive, but with heavy use...? So what do you use it for? Also it sounds like you are using something other than the phone to format it...?
At least you are ready for it and just re-format it!
Click to expand...
Click to collapse
Yeah I guess it is kinda a small PITA lol. Could just be from me starting and cancelling or moving too many things at once, I don't know.
I've never actually come close to needing all that space to TBH. I could probably do just fine with a 64, but it's nice to know I could record or store hours of HD video, for example, if I need it. I got nearly 30 gigs of music on it. I keep tv and movies on there, too, in case I get caught bored somewhere. Full Nandroid and Titanium backups are on there, as well.
I use a microSD adapter and a small (76 kb) utility for Windows called FAT32Format (Ridgecorp).
---------- Post added at 22:00 ---------- Previous post was at 21:45 ----------
IronTechmonkey said:
That may not be drive corruption but rather a corrupted file or files. If it is localize drive corruption it may still be there without having any impact until some data is written to that part of the drive. Unlike platter based hard drives, when these drives actually start to fail they may invoke a built in data protection (dirty bit) which resembles being locked in read only mode preventing the drive from being formatted which is obviously not your case. Have you ever done a sector scan of the drive, eg chkdsk <driveletter> /f /r or done a full format (as opposed to quick format)? Either of those things may flush out localized damage and the scan might fix it but they would take a long time.
Click to expand...
Click to collapse
I've had that problem before, too, but not on the 128 I have in my phone now. That is very frustrating. One of my 32 gb cards suddenly went into "read-only" mode as you describe, and nothing I can do will get it useable again. All the files are still readable from it (except the part of one huge video file that is on the bad sector that seems to have caused the problem).
So right, my 128 card doesn't have that problem, and seems to be corrupted files, as you say, not the drive itself. I do actually do what you talk about - when I do find I have to re-do the 128 sd card in my phone, I run a Windows chkdsk /r before I re-format it, and a chkdsk /f afterward, as a check. The chkdsk /r does take quite a while, yeah .. a few hours.
Cheers
beachfl said:
Yeah I guess it is kinda a small PITA lol. Could just be from me starting and cancelling or moving too many things at once, I don't know.
I've never actually come close to needing all that space to TBH. I could probably do just fine with a 64, but it's nice to know I could record or store hours of HD video, for example, if I need it. I got nearly 30 gigs of music on it. I keep tv and movies on there, too, in case I get caught bored somewhere. Full Nandroid and Titanium backups are on there, as well.
I use a microSD adapter and a small (76 kb) utility for Windows called FAT32Format (Ridgecorp).
---------- Post added at 22:00 ---------- Previous post was at 21:45 ----------
I've had that problem before, too, but not on the 128 I have in my phone now. That is very frustrating. One of my 32 gb cards suddenly went into "read-only" mode as you describe, and nothing I can do will get it useable again. All the files are still readable from it (except the part of one huge video file that is on the bad sector that seems to have caused the problem).
So right, my 128 card doesn't have that problem, and seems to be corrupted files, as you say, not the drive itself. I do actually do what you talk about - when I do find I have to re-do the 128 sd card in my phone, I run a Windows chkdsk /r before I re-format it, and a chkdsk /f afterward, as a check. The chkdsk /r does take quite a while, yeah .. a few hours.
Cheers
Click to expand...
Click to collapse
Great that you're running chkdsk on it. May be caused if you cancel or something happens in the middle of a move. Only other thing I could suggest is to do your format on the phone itself, after you've done everything else on the PC. Don't know if that would make a difference. Shouldn't but I've run across vy experienced folks saying to do that. But... Yeah you've got me hankering to put a 128GB on it...
edit: for read only cards before you trash them I would run them by gparted just to see if re-creating the MBR and partition would change its mind. I have successfully done that with thumb drives but not with cards/adapter/reader.
KrisM22 said:
Great that you're running chkdsk on it..
edit: for read only cards before you trash them I would run them by gparted just to see if re-creating the MBR and partition would change its mind. I have successfully done that with thumb drives but not with cards/adapter/reader.
Click to expand...
Click to collapse
Yeah, thanks for reminding me about fixing the errors, IronTechmonkey. It's kinda an important step I forgot to mention.
I not sure I have the bad card still. I didn't think about GParted, should have. I tried Paragon, among other things, but to no avail.
What speeds are folks getting from a U3 SDE card? I bought what I thought was a 100/60MB/s card and it does about what my old PNY card did - R=40-50, W=34-40MB/s. Is the phone the limiting factor or did I get a bum card?
KrisM22 said:
What speeds are folks getting from a U3 SDE card? I bought what I thought was a 100/60MB/s card and it does about what my old PNY card did - R=40-50, W=34-40MB/s. Is the phone the limiting factor or did I get a bum card?
Click to expand...
Click to collapse
AFAIK the the phone hardware/OS is unlikely to meet the advertised speeds of the cards. Likewise and perhaps more so for USB 2.0 ports and anything using MTP.
I dont know how this compares but for what it is worth: With a Sandisk Utra SDHC (Class 10 - Video, Ultra High Speed Class 1 - whatever that jargon means) touting 80 MB/s read speeds and 40 MB/s* write speeds; the read speeds did consistently approach the rating (getting hot enough to scorch the logo) and the wite speed occasional did. Another factor is the size of files being copied, larger quantities of smaller files taking more time per MB, unless using some dedicated test utility I've never actually done a test of SD r/w speeds on the device. What are you using to measure those?
* In re write speed ratings: Digging into the small print of the specifications may reveal that the manufacturer uses different size cards each for the reed and write speed ratings, effectively padding the write speeds by citing test results from smaller capacity cards.
IronTechmonkey said:
AFAIK the the phone hardware/OS is unlikely to meet the advertised speeds of the cards. Likewise and perhaps more so for USB 2.0 ports and anything using MTP.
I dont know how this compares but for what it is worth: With a Sandisk Utra SDHC (Class 10 - Video, Ultra High Speed Class 1 - whatever that jargon means) touting 80 MB/s read speeds and 40 MB/s* write speeds; the read speeds did consistently approach the rating (getting hot enough to scorch the logo) and the wite speed occasional did. Another factor is the size of files being copied, larger quantities of smaller files taking more time per MB, unless using some dedicated test utility I've never actually done a test of SD r/w speeds on the device. What are you using to measure those?
* In re write speed ratings: Digging into the small print of the specifications may reveal that the manufacture uses different size cards each for the reed and write speed ratings, effectively padding the write speeds by citing test results from smaller capacity cards.
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Thanks.
Interesting - so you were testing it on windows (?) I did test them on linux and got W=74 on the PNY and 77MBs on the Samsung. That's through a USB3 cardreader.
On the phone I used A1 SD Bench, SD card test, and disk speed test.
Off to try windows...
I was just going to boot up a WinPE and test it there. What prog did you use to test it?
Yes, both of these cards test at about R=81 , W=66.
KrisM22 said:
Thanks.
Interesting - so you were testing it on windows (?) I did test them on linux and got W=74 on the PNY and 77MBs on the Samsung. That's through a USB3 cardreader.
On the phone I used A1 SD Bench, SD card test, and disk speed test.
Off to try windows...
I was just going to boot up a WinPE and test it there. What prog did you use to test it?
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Yes, Windows 7, which reports file data transfer speeds in the copy process window so I did not use a utility. I've done this enough times in geneal, and a few times specifically with large files and a stopwatch, so I know the speed in the file copy window is relatively accurate (for single large files). The speeds you get on linux seem reasonable. I'll test A1 SD Bench on Osprey when I have a chance. Thanks.
---------- Post added at 11:09 PM ---------- Previous post was at 11:08 PM ----------
KrisM22 said:
Yes, both of these cards test at about R=81 , W=66.
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Also seemingly reasonable.
My card seem to be working just fine on my Lineage OS. I rebooted by device and now it says it's corrupted. Is there any way out? Will I be able to get my data back?
jay.bhadra1995 said:
My card seem to be working just fine on my Lineage OS. I rebooted by device and now it says it's corrupted. Is there any way out? Will I be able to get my data back?
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My suggestion would be to copy whatever you can off it and re-format it asap. If you can't read it via phone, try PC.
EDIT: I am assuming you are using it as external. If you are using it as internal, I believe you have lost everything. I know of nothing that can read it. GPARTED can only re-add an MBR and a partition and make it usable again, but all data is lost.
KrisM22 said:
My suggestion would be to copy whatever you can off it and re-format it asap. If you can't read it via phone, try PC.
EDIT: I am assuming you are using it as external. If you are using it as internal, I believe you have lost everything. I know of nothing that can read it. GPARTED can only re-add an MBR and a partition and make it usable again, but all data is lost.
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Yeah. I copied everything and made a backup. Luckily I use it only as a storage device and not an internal drive for apps. But how do I re-format it? I tried using the format option that my phone gives me but to no avail.
jay.bhadra1995 said:
Yeah. I copied everything and made a backup. Luckily I use it only as a storage device and not an internal drive for apps. But how do I re-format it? I tried using the format option that my phone gives me but to no avail.
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Do you have a little card reader so you can plug it into your PC?
KrisM22 said:
Do you have a little card reader so you can plug it into your PC?
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No. Sadly I don't. Is there no other way round to format it?