Database Users

[Q] SD card help for running Android? Special File System/Format/Type?

Hi guys,
Lately ive been trying to get Android running on my HD2…
Ive successfully flashed the HD2 to android friendly ROMs, and installed versions of Android to my SD card… but I cannot get it to run.
I have read some things about needing a certain SD (file system, or a certain type of card/partion size?)… can someone please tell me if my SD card is android compatible… if I can just format it or if I need another card?
The SD card I have is a SanDisk 16GB MicroSDHC. I thought I heard something about needing a “Level/Class 4” or something, but I don’t know what that means.
I hope this question makes enough sense, and someone can break it down for me.
Any help is greatly appreciated.
Cheers.

[email protected] said:
Hi guys,
Lately ive been trying to get Android running on my HD2…
Ive successfully flashed the HD2 to android friendly ROMs, and installed versions of Android to my SD card… but I cannot get it to run.
I have read some things about needing a certain SD (file system, or a certain type of card/partion size?)… can someone please tell me if my SD card is android compatible… if I can just format it or if I need another card?
The SD card I have is a SanDisk 16GB MicroSDHC. I thought I heard something about needing a “Type 4” or something, but I don’t know what that means.
I hope this question makes enough sense, and someone can break it down for me.
Any help is greatly appreciated.
Cheers.
Click to expand...
Click to collapse
your sd card is fine. I've ran many android builds off that microSD, which if I'm assuming correctly is the one that comes with the HD2. Do a full format, not quick (so uncheck that box in windows). The preferred allocation size is 32k. If that doesn't work try formatting with SDFormatter

Thanks for your reply mate.
It is the SD card that came with my HD2, but I have the Telstra Version (T9193), so im not sure if it shipped with the same SD card world-wide.
I have just done some more research on the Class/Level Numbers of these SD cards, and I think the Class/Level Number is marked on the card with a circle around it, if that’s the case I have a Class/Level 2 card.
Thanks again for your reply, hopefully once I format the card, I will have more success than I had previously had.
Cheers.

one more thing though... what filesystem should i format the card to?
cheers.

[email protected] said:
one more thing though... what filesystem should i format the card to?
cheers.
Click to expand...
Click to collapse
FAT32, always
Edit: Yes, SanDisk class 2 is the same card mine came with. I've heard of some people getting them with 2GB cards, but I think for the most part 16GB calss 2 are what most people got.

no problem, thank you for your help.

it says right on the box it comes with a 16gb sd card.. if yours came with something else then the rep or the store owner took the 16gb card out and replaced it.
some shady stores would do this and try to sell you the card it came with.

aarons6 said:
it says right on the box it comes with a 16gb sd card.. if yours came with something else then the rep or the store owner took the 16gb card out and replaced it.
some shady stores would do this and try to sell you the card it came with.
Click to expand...
Click to collapse
i have no doubt the card i have is the card i was supposed to receive, i just wasnt sure if it was compatible with android.
cheers man.

aarons6 said:
it says right on the box it comes with a 16gb sd card.. if yours came with something else then the rep or the store owner took the 16gb card out and replaced it.
some shady stores would do this and try to sell you the card it came with.
Click to expand...
Click to collapse
Tmous got 16gb cards. Euro got 2gb ones.

Corrections, and swift answer
Firstly, flash storage devices marked as class 2 or class 4 would have nothing to do with comptibilty. Flash storage classes are the specifications of the maximum theoretical limit transfer speeds for that type of flash storage device. Take a look at this wiki article to learn more at wiki secure digital class rating article. Next, the type of storage device needs to be specified as microSD rather than SD since they are different flash types. And lastly the proper terms for storage sizes need to be used. GB means Gigabyte which is 1x10^9 bytes or 8x10^9 bits as 8 bits=1 byte, and Gb is Gigabit. The problem doesn't lie in the syntax or intended use of, it lies in the dumbing down, so should someone be wanting to learn these things they are getting taught wrong.
And for the swift answer, no class never makes a difference on compatiblity just whether it has the suffix HC or not, which stands for High Capacity as is reserved for any storage amount of 4GB to 32GB in which case is goes to XC which stands for extreme capactity and is reserved for 64GB to 2TB(TB=terabytes). The only reason this matters is each type of suffix is actually signifying a new type of transfer protocol which requires a firmware upgrade to read the new format(key work firmware not hardware, as one example even the oldest SD card reader could read a 128GB card with a proper firmware upgrade, albiet at lower transfer rates). And the format fat32 is typically used as the standard external storage filesystem.
I hope this answers any and all questions, always remember, what your writing doesn't just apply to you and your not the only one involved. Your words reflect like a butterflies wings.

Pusalieth said:
Firstly, flash storage devices marked as class 2 or class 4 would have nothing to do with comptibilty. Flash storage classes are the specifications of the maximum theoretical limit transfer speeds for that type of flash storage device. Take a look at this wiki article to learn more at wiki secure digital class rating article. Next, the type of storage device needs to be specified as microSD rather than SD since they are different flash types. And lastly the proper terms for storage sizes need to be used. GB means Gigabyte which is 1x10^9 bytes or 8x10^9 bits as 8 bits=1 byte, and Gb is Gigabit. The problem doesn't lie in the syntax or intended use of, it lies in the dumbing down, so should someone be wanting to learn these things they are getting taught wrong.
And for the swift answer, no class never makes a difference on compatiblity just whether it has the suffix HC or not, which stands for High Capacity as is reserved for any storage amount of 4GB to 32GB in which case is goes to XC which stands for extreme capactity and is reserved for 64GB to 2TB(TB=terabytes). The only reason this matters is each type of suffix is actually signifying a new type of transfer protocol which requires a firmware upgrade to read the new format(key work firmware not hardware, as one example even the oldest SD card reader could read a 128GB card with a proper firmware upgrade, albiet at lower transfer rates). And the format fat32 is typically used as the standard external storage filesystem.
I hope this answers any and all questions, always remember, what your writing doesn't just apply to you and your not the only one involved. Your words reflect like a butterflies wings.
Click to expand...
Click to collapse
Whilst your knowledge is great, the fact that you're unnecessarily bringing up an old thread from 2010 is not. I understand the need for 10 posts, and using your knowledge to help others in order to get 10 posts is the best way of doing it, but do it on new threads rather than old ones please.

64GB Micro SDXC on Desire Z

Curious to know whether our phones, or any other similar phones, will support this new type of SD card? I've heard of it being tested in SGS2 and others, and it working, but what I'm curious about is whether we will actually be able to utilize the full storage capacity of the new cards?
I'll probably be looking to pick one up when it approached the £50-80 price range.
Before people start saying "why do you need that much space?" My response will be music and videos and when a 128GB card comes out, I'll be getting that too
Thank you in advance for any info, and hopefully this will help others too who are unsure how our phones will handle this card.

Hi,
in general it is working.
See also here,
http://forum.xda-developers.com/showthread.php?t=1281585
regards,
tom

Thanks for the reply. Have already seen that link though and saw the comment about it being only able to access 32GB. This is what confused me in the first place because I assumed if it worked, then it would work to fully storage capacity.

I'm also thinking about getting a 64gb sdxc card (also got a lot of music, videos and apps).
So if you're gonna get on of those cards please report if they work properly.
Thanks in advance.

I believe the capability to access 64gb is based off firmware or something. If you can upgrade the firmware that is related to the card reader on the phone, it would probably do the trick, otherwise it probably wont work.

Will probably wait until this is confirmed to work properly on our phones. The price will drop over the next year or two so don't really want to splash out 100 quid on something which I may not able to be use properly until I get my next phone. Will post here if I hear any news in the future though.

hey guys and girls, I know its an old thread, but still can't find proof the 64GB sdxc card works... somebody already tried it?

The G2/DZ supports SDHC (max of 32GB), it will not support SDXC (least not officially, use at your own risk).

Sandisk 64Gb microSDXC : have anyone tryed already?

Guys, newest sandisk 64gb microSDXC will fit Defy?
http://www.sandisk.com/products/mobile1-memory-products/sandisk-ultra-microsdxc-card

It will fit in nicely becuse it is the same size as the microSDHC.
It doesnt work out of box ;you have to format it in the phone..then you' ll get 59 GB of free space.
No, i dont have it but i have read about it and it works in htc,samsung..

According to specs, memory is upgrade-able only to 32gb.
Will a 64gb card work?

I think you should take the risk and test it yourself

So does it work? That´s a very nice sd card

the defy supports 32gb sd official. 64 gb not supported. I think for any phone 16gb is stable for space and speed. how do they fill up 32gb?!

Gianluca85 said:
the defy supports 32gb sd official. 64 gb not supported. I think for any phone 16gb is stable for space and speed. how do they fill up 32gb?!
Click to expand...
Click to collapse
http://androidcommunity.com/sandisk...working-on-multiple-android-devices-20110927/
There are also reports that they are working on many older devices for those wondering. Some include the EVO 4G, original Galaxy S, and even the HTC Desire Z (aka T-Mobile G2). With both old and new, smartphones and tablets being able to take advantage of the 64GB SD cards this is a good sign many more will have the same fate. We can only assume manufacturers didn’t state SDXC support because none were out on the market at time of launch, or maybe there are other reasons yet unknown.
At first insert the device may say corrupt or error, just reformat your 64GB card inside the Android phone or tablet and you’re good to go. While many are currently working, this doesn’t mean they have full support. The chance of the cards failing, getting errors, and possibly losing all your stored data is still a possibility so use at your own risk for now. Hopefully we see more 64GB SDXC cards soon and at lower prices because $219 is a bit steep for me. — Thanks Murray!
Click to expand...
Click to collapse

SDXC cards use exfat file system. If defy doesnt support that then it probably wont work.
Ive seen reports of it being working on a lot of phones, so there's a chance it might work on defy, but the card needs to be formatted on pc first before using on phone and it wont work at full speed due to limitation on the old sdhc reader (sdxc reader is faster)

I'm asking to avoid risks ).
Why 64gb? Cause i have 32gb card and it have about 4gb left. Actually last few month i've forced to clean up card from time to time. Audiobooks, DVR, Navigation software, record lections on dictaphone... That stuff takes space but i've used not to worry about `if do i have avaliable space left` ). Also this card declares class 6, now i own Sandisk/32gb class 2, so it not just larger, it laso should be faster. Sometimes DVR+Navigation provides some lags, for example.

maybe the max is 32GB,class 10

you can buy but i thin you will see only 32gb space...

can defy uses class 10 sd card? i heard there is problem in taking picture with class 10 card...

read posts on XDA, yes it has a problem with 6 and 10 class

CM7 and miui can run fine class 10 cards now.

http://forum.xda-developers.com/showthread.php?t=1133548&highlight=class+10

SDXC on Defy?
It really works on Defy. I own one for a month now. Cost 80€/106$. Absolutely no problems after format. 59GB free. About 6MB/s write, 16MB/s read speed. Have fun.

Greater than 32Gb?
Biggest I've used is a 32Gb class 10. No problems at all.

Android police posted a review. Looks good.
http://www.androidpolice.com/2012/0...c-card-huge-capacity-meets-impressive-speeds/
Sent from my MB525 using XDA

This is funny yet strange. Why you think an article on a website has more truth than a forum post of a member? Both are written by a single person. Both can be faked or real.
The guy on the website used a newer Tegra device so his article is irrelevant for Defy users. The SDXC in my Defy works flawlessly for weeks now with 20GB free space left.
Of course you can ignore this. I don't care. But if you need space buy the SDXC and have fun.

MB525 said:
This is funny yet strange. Why you think an article on a website has more truth than a forum post of a member? Both are written by a single person. Both can be faked or real.
The guy on the website used a newer Tegra device so his article is irrelevant for Defy users. The SDXC in my Defy works flawlessly for weeks now with 20GB free space left.
Of course you can ignore this. I don't care. But if you need space buy the SDXC and have fun.
Click to expand...
Click to collapse
I wasn't doubting your experience with the card, I was just posting another source of info about it complete with benchmarks etc.
Glad you like the card.
Sent from my MB525 using XDA

SD ques??

i love this tab only prob is idk what SD card should i buy: i wtb this number 1 on this list but its says its for 4k and full hd devices
DERP I CANT POST LINKS! well i Google this "best micro sd 2015 ephotozine" first option
plz help me chosse the best SD card for this device considering the Hardware
PS: it will be great if we help people to understand what sd card goes for his tablet/smarthphone so we will stop buy expensive (that wont get along whit hardware) or cheaper (that will slowdown our baby/device)

SD//Hardware

i love this Device only problem is idk what SD card should i buy: i wtb the number 1 on this list but its says "its for 4k and full hd devices" as you all know this is hd screen and 5 mp cam so plz Gurus from XDA help me!
DERP I CANT POST LINKS! well i Google this "best micro sd 2015 ephotozine" first option
plz help me chosse the best SD card for this device considering the Hardware
PS: it will be great if we help people to understand what sd card goes for his tablet/smarthphone so we will stop buy expensive (that wont get along whit hardware) or cheaper (that will slowdown our baby/device)