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Has anyone had any issues running CM7 on a SanDisk Class4 microSD?
I bought one used, and got CM7 running, but with plenty of Force Close errors. After running a benchmark on the card, it sounds like I got a bad card (for running CM7, anyways).
Here are my CrystalDiskMark scores, run with the same card, in various adapters on my laptop:
SanDisk 32GB Class4
Random Write 4KB (QD=32)
Kingston USB Card Reader
0.230 MB/s [ 56.3 IOPS]
Patriot microSD Card Adapter in SD Card Slot ThinkPad L412
0.054 MB/s [ 13.2 IOPS]
SimpleTech microSD Card Adapter in SD Card Slot ThinkPad L412
0.065 MB/s [ 15.9 IOPS]
Kinda crappy compared to other results I've seen. Anyone else have bad luck? Any suggestions, other than a new card?
Thanks!
You'll always get lower scores when testing in a card adapter compared to a USB reader - but the speed you get from the reader seems a bit below normal by about half - you might've just gotten a bad card.
Is it a recent purchase? You can probably exchange it - they run off a ton of these at a time and a bad one's bound to slip through here and there.
The links to the memory card threads are in my sig if you wanna jump back into them quickly.
Where did you buy the card from? Hopefully it is defective and returnable, rather than counterfeit.
johnny.99 said:
Where did you buy the card from? Hopefully it is defective and returnable, rather than counterfeit.
Click to expand...
Click to collapse
This is my suspicion.. However, C4 I'd think he bought in a Brick and Mortar vs online where it's entirely too easy to wind up with counterfeit SD cards.
Bought it from a guy on craigslist. The card seems legit, full 32GB capacity, 6MB/s seq. write speed, just crappy random write speed.
Anyone else with a SanDisk 32GB Class4 care to post CrystalDiskMark Results? I haven't found any when searching the forums... just 8GB and 16GB...
I bought a sandisk 32gb class4 from amazon. I don't recall the benchmark numbers off the top of my head, so I'll have to test it when I get home from work.
I did, however, recently move over from booting off the sdcard to booting off the emmc... It seemed to be a HUGE difference in performance. While I didn't get any FC's when running on the sdcard, the system did feel a bit laggy. Or I could just be imagining things...
Interesting. I look forward to seeing your benchmark results. Was your a standard SanDisk card, or one of those "EXTREME" cards? (do they make those in a class4?)
I've read that a lot of people like running CM7 directly from the onboard memory. I'm weary of doing that, and I also like having the standard nook software too. Maybe if there was a way to dual-boot from the eMMC, then maybe I'd try it.
Thanks in advance for your benchmark test results.
I have two different SanDisk 32gb cards and both have been working fine for me. I can't remember the benchmarks right now but I do remember them being similar but a little better than may 16 gb and 8 gb SanDisk class 4 cards.
It also didn't seem sluggish to me after overclocking it a little bit.
NinjaDogg said:
I've read that a lot of people like running CM7 directly from the onboard memory. I'm weary of doing that, and I also like having the standard nook software too. Maybe if there was a way to dual-boot from the eMMC, then maybe I'd try it.
Click to expand...
Click to collapse
If you have a good card then CM7 runs fine from it and I've done quite a few onto 32G Sandisk class 4 and got nice performance. However, there are significant advantages in running from emmc. For example, you then use the SD card as a simple, single partition card containing just user / data files rather than as a multi-partition card containing both the ROM partitions and user data. Updates become easier to manage as the standard ROM Manager / clockwork methods just work as intended rather than having to put renamed update zips onto the boot partition of the SD.
I'd not be weary of it, just because it sounds like a risky one way trip. There are good ways of reverting to stock if you need to.
It is possible to dual boot Nook stock and CM7 off the emmc, and I did that successfully for a while. The key is in creating extra partitions and moving the Nook software to the new partitions. Various guides are available, e.g.
http://forum.xda-developers.com/showthread.php?t=1275859
I eventually simplified my family installs down to just cm7 as we ended up never using the stock Nook. One can use the Android Nook app for basic B&N content but if you use for magazine or childrens books then that is a good reason for maintaining a stock Nook. I normally use SD installs for any non-technical friends where there is a good comfort factor in an easy revert to stock.
I actually gave up on ever getting a 32gb card to work properly after I went through several of them. I just doesn't seem like the OS can do a good job with all of that extra space.
Things that fly on a 16gb card are terrible on a 32gb card that benchmarks the same way.
TL2000 said:
I actually gave up on ever getting a 32gb card to work properly after I went through several of them. I just doesn't seem like the OS can do a good job with all of that extra space.
Things that fly on a 16gb card are terrible on a 32gb card that benchmarks the same way.
Click to expand...
Click to collapse
I just ordered one of these from Newegg on sale for $31 w/free shipping. Hopefully mine won't suck as bad as you guys are describing it.
does it have SDSDQM-032G printed or etched on the card itself?
thats the model of the current "good speed" ones
see the google doc linked from this thread
http://forum.xda-developers.com/showthread.php?t=1005633
I received my 32GB Sandisk Class 4 micro sdhc card from Newegg.com earlier today and just wanted to report back that it is writing fast. I'm getting between 4.1MB/s to 4.9MB/s on it.
sjmoreno said:
I just ordered one of these from Newegg on sale for $31 w/free shipping.
Click to expand...
Click to collapse
I was looking at that sale and when I went to pull the trigger it had ended
With all the good things I've read about sandisk I'm loath to try another 32gb card as I want the thing to work well.
Now I'm watching newegg for the next sale........
sjmoreno said:
I received my 32GB Sandisk Class 4 micro sdhc card from Newegg.com earlier today and just wanted to report back that it is writing fast. I'm getting between 4.1MB/s to 4.9MB/s on it.
Click to expand...
Click to collapse
If booting off uSD, you should pay attention on the small write data (4K Write)
If it's more than 1MB/s, it's good.
If it's close to 1MB/s, it's OK.
If it's somewhere around 0.0xxx, then it's bad for NC
I bought four (4) Sandisk32g cards from geeks.com,part #SDSDQ-32GB.They are testing out great.The (4K)writes are 1.277(slowest card) to 1.613(highest card).
($28 /card and free shipping)
I also tried their 16G Sandisk cards,VERY BAD,they test out at 0.024 (4K)write
My Experience Matches Yours
TL2000 said:
I actually gave up on ever getting a 32gb card to work properly after I went through several of them. I just doesn't seem like the OS can do a good job with all of that extra space.
Things that fly on a 16gb card are terrible on a 32gb card that benchmarks the same way.
Click to expand...
Click to collapse
I bought two 32 GB Sandisk Class 4 cards from 1SaleADay in October. One started experiencing Force Close errrors on my Nook Color after 4 or 5 months. Eventually it could not even unpack the zip files and build properly. I copied a working image from another flash onto it. It then worked until I started updating and installing apps. It seems that writing to some area of flash, not sure which partition, triggers the start of the force close. During some tests, it would run until I enabled WiFi. I think apps were accessing the WiFi and trying to write to flash.
The 2nd flash from 1SaleADay was used by a relative. I updated all app in December. The relative played Freecell and maybe a few other apps once every few weeks. As soon as I attempted to update apps here in May the Force Close issue appeared. The NC had been running fine with the December updates.
A co-worker bought the NC based on my recommendation. He bought a SanDisk 32GB Class 4 card from a reseller at Amazon. He started experience Force Close issue shortly after mine.
All three 32GB cards had great ramdom read/write 4K benchmarks like other SanDisk cards. I used CrystalDiskMark to test the cards when they were new and when the first two failed. I also ran H2testw on one or two of the first cards that experienced the Force Close errors. All tests indicate the flash is still good.
The first two NCs have been running fine now for a few months with 16 GB SanDisk Class 4 cards I bought in September from Newegg. I need to put a 16 GB in my relative's NC.
I did buy some more 32 GB SanDisk cards from Amazon (not a 3rd party reseller) for $22 a few weeks ago. I hold little hope for them to work for long in a NC. I may try one. I bought them primarily to use in other devices.
The first card to fail has been running fine in my non-rooted HTC Incredible 2 for months now. I use it for podcasts so I am reading and writing to it daily but am not running the OS from it like the NC.
Running the Fix Permission function of the ROM Manager did not eliminate the Force Close issue on my relative's NC.
Thought that was supposed to be the best card to use
Sent from my NookColor using Tapatalk 2
purpleurkle said:
Thought that was supposed to be the best card to use
Click to expand...
Click to collapse
You're right. This one is way better, The One To Buy. You should buy that one.
I've read mixed results with the overall Samsung Galaxy series of phones and Sandisk micro sd cards.
I was thinking of getting this 64GB Class 10 card:
http://www.walmart.com/ip/SanDisk-64GB-microSD-Class-10-Ultra-Card/23350707
But didn't know what/if any the current people already with Note 3s are using. Some people say to stick with the Samsung 64GB version as there are issues with some phones only being able to read exFat.
I just wanted to make sure that the card I buy actually works with the Note 3 when it arrives and not have to deal with returns and buying multiple makes/manufacturers of cards until I find a working one that lets me use all 64GB.
Thanks!
nimitch said:
I've read mixed results with the overall Samsung Galaxy series of phones and Sandisk micro sd cards.
I was thinking of getting this 64GB Class 10 card:
http://www.walmart.com/ip/SanDisk-64GB-microSD-Class-10-Ultra-Card/23350707
But didn't know what/if any the current people already with Note 3s are using. Some people say to stick with the Samsung 64GB version as there are issues with some phones only being able to read exFat.
I just wanted to make sure that the card I buy actually works with the Note 3 when it arrives and not have to deal with returns and buying multiple makes/manufacturers of cards until I find a working one that lets me use all 64GB.
Thanks!
Click to expand...
Click to collapse
I keep eyeing the 128GB cards..... I hope they figure out a way to make them work as well..
grifter9931 said:
I keep eyeing the 128GB cards..... I hope they figure out a way to make them work as well..
Click to expand...
Click to collapse
Holding out for the first 1TB cards... I'm guessing 2015.
grifter9931 said:
I keep eyeing the 128GB cards..... I hope they figure out a way to make them work as well..
Click to expand...
Click to collapse
From what I read 64GB is the max that the Note 3 can handle at the moment, and having 96GB of data storage capability is pretty damn snazzy to me :victory:
...just want to make sure that the card I buy will actually work
Still using the SanDisk 64gb card that I had in my note 2. Working just fine.
Sent from my SM-N9005 using XDA Premium 4 mobile app
Get the card that's made for your shiny, new phone. SanDisk quality has gone down since their popularity skyrocketed. Plus, the Samsung has faster transfer speeds: http://www.amazon.com/Samsung-Electronics-Extreme-MB-SGCGB-AM/dp/B009SK57IS/
docnok63 said:
Get the card that's made for your shiny, new phone. SanDisk quality has gone down since their popularity skyrocketed. Plus, the Samsung has faster transfer speeds: http://www.amazon.com/Samsung-Electronics-Extreme-MB-SGCGB-AM/dp/B009SK57IS/
Click to expand...
Click to collapse
I agree, get the Samsung card. Though this is the correct link: http://www.amazon.com/gp/product/B009SK57ZQ/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
the other link was for the normal-sized sd card.
docnok63 said:
Get the card that's made for your shiny, new phone. SanDisk quality has gone down since their popularity skyrocketed. Plus, the Samsung has faster transfer speeds: http://www.amazon.com/Samsung-Electronics-Extreme-MB-SGCGB-AM/dp/B009SK57IS/
Click to expand...
Click to collapse
That one is SD not micro SD
This one is the one you probably meant to show:
http://www.amazon.com/dp/B009SK57ZQ/
I got this one couple of weeks ago and very satisfied. We'll see in the long run, hopefully it wont have issues as sandisk that corrupts files.
nimitch said:
I've read mixed results with the overall Samsung Galaxy series of phones and Sandisk micro sd cards.
I was thinking of getting this 64GB Class 10 card:
http://www.walmart.com/ip/SanDisk-64GB-microSD-Class-10-Ultra-Card/23350707
But didn't know what/if any the current people already with Note 3s are using. Some people say to stick with the Samsung 64GB version as there are issues with some phones only being able to read exFat.
I just wanted to make sure that the card I buy actually works with the Note 3 when it arrives and not have to deal with returns and buying multiple makes/manufacturers of cards until I find a working one that lets me use all 64GB.
Thanks!
Click to expand...
Click to collapse
I use 64gb card on note 2. It should work too on sgn3.cmiiw will get my new card this night
Sent from my DROID RAZR using xda premium
Sent from my SGH-T889 using Tapatalk 4
nimitch said:
I've read mixed results with the overall Samsung Galaxy series of phones and Sandisk micro sd cards.
I was thinking of getting this 64GB Class 10 card:
http://www.walmart.com/ip/SanDisk-64GB-microSD-Class-10-Ultra-Card/23350707
But didn't know what/if any the current people already with Note 3s are using. Some people say to stick with the Samsung 64GB version as there are issues with some phones only being able to read exFat.
I just wanted to make sure that the card I buy actually works with the Note 3 when it arrives and not have to deal with returns and buying multiple makes/manufacturers of cards until I find a working one that lets me use all 64GB.
Thanks!
Click to expand...
Click to collapse
Go with Samsung pro 64 gb
TWEAKED 2.5
I'm using SanDisk 64gb and works fine.
Inviato dal mio SM-N9005 con Tapatalk 4
I've been using a class 10 sandisk 64gb on my note 2 and its been working fine.
Sent from my SGH-I897 using Tapatalk 2
Best MicroSD for Note 3
BACARDILIMON said:
Go with Samsung pro 64 gb
TWEAKED 2.5
Click to expand...
Click to collapse
Maaan, you're getting the world's most fastest advanced phone that has not 1, 2, 3 but 4 world firsts on it (4K recording, 3GB ram, MicroUSB 3.0, 24bit audio), the bleeding edge of technology, and you put a ultra 64gb class 10 card in there? forget about it...step up to the big boys, you have to get this one...
(won't let me link, i removed it, but google "world's fastest microsd" and it's a sandisk card)
Its the Sandisk Extreme 64GB MicroSD card...it's the world's fastest sd card, it's stats are 80MB read, 50MB write, but actual tests have shown 96MB read,.and 61MB write, which destroys any other class 10 sd card...class 10 is 10MBps, this card is hitting 5 to 9 times that depending on read/write
Look at this review
(I cant believe they wont let me link, its by legit reviews, just google it)
It's perfect for 4K recording, USB 3.0 transfers, etc..
With those read speads you won't see the lag the ultra 64gb card have when you open gallery, and i know because i had one in my note 2 and it took a bit for it to load all my pics, bet it doesn't with this behemoth...Im selling my ultra and pony up the difference for the $99 extreme
The fastest microsd card in the world for the fastest phone in the world...perfect match...
I would say NO to sandisk cards. Had a 64 gb class 10 ultra high speed in my note 2 and got all sorts of crashes.
Put it in my laptop and yepee..lost all files...
Sent from my SM-N9005 using Tapatalk 2
agbbah said:
I would say NO to sandisk cards. Had a 64 gb class 10 ultra high speed in my note 2 and got all sorts of crashes.
Put it in my laptop and yepee..lost all files...
Sent from my SM-N9005 using Tapatalk 2
Click to expand...
Click to collapse
That is the Ultra, which Sandisk as already acknowledged there was an issue and was working with customers for exchanges, they do have a lifetime warranty, this is a different microsd card, probably different parts altogether due to it's speed
I getting Note 3 soon...
thinking shoild get Samsung MicroSDHC Pro 64GB or Sandisk Extreme MicroSDHC 64GB.
Buy class 12 card high speed.
Sent from Xda Premium using Note 3. Checkout Techenthu.com for tech and gadgets news.
deadlyheart4u said:
Buy class 12 card high speed.
Sent from Xda Premium using Note 3. Checkout Techenthu.com for tech and gadgets news.
Click to expand...
Click to collapse
never heard of it?
from samsung or sandisk?
I had been a Sandisk loyal user until my S4 which caused hiccups, lags, mysterious file disappearance, random reboots, unable to transfer large files and many more.....
I then switched to Transcend MicroSD on my S4 and all the above problems disappeared. I've been using an old 8GB Sandisk on my Note 3 and so far haven't experienced any problems yet. I am awaiting for the 128GB Microdisk SDHC coming out soon and really make use of that 1080p screen.
Does anyone know if the new SanDisk 128 GB micro SD will work on the Note 3?
Shofar1 said:
Does anyone know if the new SanDisk 128 GB micro SD will work on the Note 3?
Click to expand...
Click to collapse
No it will not work, the note can take up to 64 gb
Sent from my SM-N9005
zool84 said:
No it will not work, the note can take up to 64 gb
Sent from my SM-N9005
Click to expand...
Click to collapse
Not true at all, it can and will read the 128gb microsd. But it can also read up to 2 TB hdd via otg cable. I also have a microsd to Sdcard tf cable that reads my 256gb sdcard.
Check out amazon for a huge discount on that 128gb microsd @119.99!!
Sent from my SM-N900T using xda premium
My answer was based on what samsung said on note's 3 launch, we will see when this card will be launched
Sent from my SM-N9005
On my note 1, when the 64Gb sd cards were just launched, Samsung said too that only 32Gb ones works on this device.
My 64Gb sdcard always worked fine...
Le [email protected] said:
On my note 1, when the 64Gb sd cards were just launched, Samsung said too that only 32Gb ones works on this device.
My 64Gb sdcard always worked fine...
Click to expand...
Click to collapse
Same for me!
therefore I guess the 128 will work flawlessly!
Sent from my Nexus 7 using XDA Premium 4 mobile app
Technically, due to xc specifications, we should be able to use an sd card up to 2 TB... If they made them that big...
zool84 said:
My answer was based on what samsung said on note's 3 launch, we will see when this card will be launched
Sent from my SM-N9005
Click to expand...
Click to collapse
You were just misinformed companies want you to think there's a limit but when your on a site like xda there's no fooling us lol, even though at that time 64 gb microsd was the biggest external microsd option there were ways to get around the limit via regular sdcards. I have a 256gb sdcard I use on my note 3 from a tf cable that uses the microsd card slot on the note 3 so I can insert my sdcard and store massive amounts of data on it. I'm planning on buying the 128gb microsd also tho just to support sandisk and Thank them for finally making this happen, we're sure to see 128gb internal phones in the near future now.
Sent from my SM-N900T using xda premium
C'mon, this is very simple, until couple days ago the largest micro sd card was 64GB and that's how far they could test it and that's what they wrote in the specs. If the 128GB card follows the specs, it has to work, but I do remember in the past some cards didn't work with all devices and I have no idea why, something about particular controller being not compatible, so it would be foolish for Samsung to post specifications which can't be tested. I had same thing with my old camera, specs listed 32 GB max, largest size at the time of release but it worked with 64GB fine when those came out. So when do we get 256GB, 128GB seems so yesterday.
Shofar1 said:
Does anyone know if the new SanDisk 128 GB micro SD will work on the Note 3?
Click to expand...
Click to collapse
Almost certainly it will work. However the manufacturer suggested price (200$) is just "marketing" similar to what is routinely done on overpriced jewelry, the initial launch price seems to be closer to 120$ and I would be quite surprised if the price will not get towards 70-80 US$ once the competition really heats-up.
Amazon has it for $119 but it is out of stock.
No idea when they will actually have it.
It's been over 1 year so it's probably time to confirm that the SanDisk 128GB Ultra Micro SDXC Class 10 UHS-1 card works flawlessly on a Samsung Note 3 SM-N900T (running either KItKat or Lollipop). For best performance it doesn't hurt to adjust the read-ahead cache higher than the default 128K (I use 1024K).
Beware of the many "fakes" found online. As of this writing, anything under $50 is probably not a genuine 128GB card, but you can find legitimate ones for as little as $65 if you search around.
Hello,
I am pleased to report that the Sandisk microSDXC 128gb card does work in the p6800, stock JB MD3. The card must be formatted to FAT32. The card is shipped formatted to exFAT.
Enjoy!
Samsung Galaxy Tab 7.7. Ahead of it's time.
Arobase40 said:
This 128gb card is still a bit expensive atm and unfortunately with not very good performance.
Click to expand...
Click to collapse
I purchased it from Amazon when they were offering the card (pre-release) for $119USD, so less than $1USD per GB. Not too bad. The write performance is OK nothing great. But, the card can store my entire .mp4 music collection with no card swapping!
Given the discounted price, I'm happy.
TonyBigs said:
I purchased it from Amazon when they were offering the card (pre-release) for $119USD, so less than $1USD per GB. Not too bad. The write performance is OK nothing great. But, the card can store my entire .mp4 music collection with no card swapping!
Given the discounted price, I'm happy.
Click to expand...
Click to collapse
from former exp with sandisk 64gb card, sometimes the card is not recognized (already formatted it with fat32), so the tablet need to be restarted several times, eventually it will recognized the card, is the issue also appear for the 128gb ?
Thanks.
bakpau said:
from former exp with sandisk 64gb card, sometimes the card is not recognized (already formatted it with fat32), so the tablet need to be restarted several times, eventually it will recognized the card, is the issue also appear for the 128gb ?
Thanks.
Click to expand...
Click to collapse
No, but my Samsung Galaxy 5 player did take awhile to recognize the card. Perhaps it was because the card has over 17,000 files!
great news :good:, I will also try
Samsung EVO 64gb
I want to share my experience with you.
Long time waiting and trying this thing 64gb to work with my Gtab 7.7 without succes until today.
I received this Samsung EVO 64gb UHS-I from Amazon.fr and right from the box it did work with device. Yes happy to see that and more happy to get all my stuff from the 32gb on it readable and writable.
One remark, my Gtab is actually running under Kitkat Rom 4.4.4 of Carbon release 12 Sept. 2014.
Wait and see how long this will last....
Hi Guys! I've just been a member this great community, for a couple of months I've been following and at least, I decided to join there.
I'm facing with some trouble on Note 4. 128 GB Samsung Evo Plus hasn't satisfied my needs anymore. Solutions like Sandisk Dual Drive aren't much practical. At this point, my question is simple. Will Samsung 512 GB Evo Plus MicroSD Card work properly on my Note 4? I read some articles about Sandisk 400 GB MicroSD cards work properly and flawless but I couldn't manage to find about 512 GB MicroSD Cards on Note 4. Could someone help about this? Thanks anyway!
A guy on xda said it will work, make sure it's file system is fat32 (it has 4GB file size limit), other filesystems may have a problem.
https://forum.xda-developers.com/note-4-tmobile/help/using-512gb-sd-card-note-4-t3466502
Mohamedkam000 said:
A guy on xda said it will work, make sure it's file system is fat32 (it has 4GB file size limit), other filesystems may have a problem.
https://forum.xda-developers.com/note-4-tmobile/help/using-512gb-sd-card-note-4-t3466502
Click to expand...
Click to collapse
This card is SD Card, not microSD and I heard Kingston Canvas cards have some compatibility problems. It seems Samsung 512 EVO Plus MicroSD should work flawlessly
I decided to try it and I ordered a Samsung 512 EVO Plus microSD. I'll write my experience after that. :good:
My order has been arrived and first impression is excellent! Samsung 512 EVO Plus is working flawlessly on Note 4 with exFAT file format. My phone detected and read the card fast and correctly. Listening music, watching video, movie etc. ( To sum up, all of the storage) are totally fine.
Been using one for 5 months formatted FAT32, no problems
The Note 4 should be able to use a 512GB microSD card formatted in exFAT without any issues. As the Note 4 at the time of release was said to be able to support up to a 1TB microSDCard.
My Note 4 is upgraded from Samsung 512 GB EVO Plus microSD to Sandisk Ultra 1 TB microSD and it still rocks! Including recording 4K UHD Video, everything is completely fine for now.
iceepyon said:
The Note 4 should be able to use a 512GB microSD card formatted in exFAT without any issues. As the Note 4 at the time of release was said to be able to support up to a 1TB microSDCard.
Click to expand...
Click to collapse
This was correct, I explained above.