SD Card Read /Write Speeds - Samsung Galaxy Mega

Hi
I am looking for an SD card. What read and write speeds are this phone capable of?
I believe there are apps available which can test read/write speeds.
Thanks

Arnold_Layne said:
Hi
I am looking for an SD card. What read and write speeds are this phone capable of?
I believe there are apps available which can test read/write speeds.
Thanks
Click to expand...
Click to collapse
As for thr types of SD card I can't help, but if you want measurements, uncle Google is indispensable...
https://play.google.com/store/search?q=sd speed
Edit//
There are many sites on net where you can find info about SD cards suitable for your phone. E.g. look here:
http://www.androidpit.com/micro-sd-card

Pity you didn't read my post, the purpose of which was to ascertain the read/write speeds of the phone to avoid wasting money on a card which has greater speeds than the phone is capable of.

Arnold_Layne said:
Pity you didn't read my post, the purpose of which was to ascertain the read/write speeds of the phone to avoid wasting money on a card which has greater speeds than the phone is capable of.[/QUO
Now I see... you are right.
Click to expand...
Click to collapse

thanks. I wil use it in past..

Related

[Q] Defragmentation

Is it ever necessary to defragment our sd cards? Is there any specific app or software? Can we do it via Windows?
telmoabff said:
Is it ever necessary to defragment our sd cards? Is there any specific app or software? Can we do it via Windows?
Click to expand...
Click to collapse
What's the point of defragmentation?
Is it trully neceseary?
Tehouster said:
What's the point of defragmentation?
Is it trully neceseary?
Click to expand...
Click to collapse
Inscrease transfer speed, maybe?
telmoabff said:
Inscrease transfer speed, maybe?
Click to expand...
Click to collapse
Will give a try then.. Thanks
Theoretically, even with those 'chipped' data storage, fragmentation does effect performance. In practical SSD user said just forget it, since it's not that significant.
Well, our discussion about SD card (which 50x slower than SSD) is like.. 2-20MB/s, if it does help, you will never know it.

SD degradation

QQ; does SD performance degrade over time? I've noticed big media files (~500MB) I save to my SD is taking longer and longer to transfer.
I might also need to reformat my PC, but I wanted to be sure.
Thanks,
Hobbes2099 said:
QQ; does SD performance degrade over time? I've noticed big media files (~500MB) I save to my SD is taking longer and longer to transfer.
I might also need to reformat my PC, but I wanted to be sure.
Thanks,
Click to expand...
Click to collapse
SD cards allow a certain number of reads/writes before they start losing performance, it's only normal!
hehe what's up with degradation threads, what's next?
Clean it up.. as SD's fill they become slower.
A back up what you need and format
riginal said:
hehe what's up with degradation threads, what's next?
Click to expand...
Click to collapse
hehehehehe!
It's natural, most of our X10s are now old enough to start showing symptoms
of old age! Geriatrics anyone?
I love it that some people have money to throw at new phones and can replace things at any time.
I have several of my old phones and electronic devices. if you take care of your technology it will take care of you.
It's true.. things do degrade but not after a single year unless you use it aggressively.
OmegaRED^ said:
I love it that some people have money to throw at new phones and can replace things at any time.
I have several of my old phones and electronic devices. if you take care of your technology it will take care of you.
It's true.. things do degrade but not after a single year unless you use it aggressively.
Click to expand...
Click to collapse
Yeah, I agree.
But it all depends on build quality and especially as far as SD cards
are concerned, some are just faulty from the beginning.
I've noticed that some Transcend ones look like a cheap-knockoff of themselves
(even though I always buy from legitimate stores with physical presence, not from eBay for example)
and gave me problems very soon, had to format them pretty often
to work right. On the opposite side, Kingston seem to be durable and more reliable.
My_Immortal said:
Yeah, I agree.
But it all depends on build quality and especially as far as SD cards
are concerned, some are just faulty from the beginning.
I've noticed that some Transcend ones look like a cheap-knockoff of themselves
(even though I always buy from legitimate stores with physical presence, not from eBay for example)
and gave me problems very soon, had to format them pretty often
to work right. On the opposite side, Kingston seem to be durable and more reliable.
Click to expand...
Click to collapse
So true.. you buy crap you get crap.
In the X10's case you payed for gold but you got silver.
I think the ideal thing to do, like OmegaRED said, is clean the SD up.
*
If you cannot backup and format your card, you can move some big files elsewhere, increase the SD Cache amount and run the Windows Defrag (mounting your phone or card in a computer). I'm sure your card will be very faster!
*
.... but a full SD is always a slow SD.

Hardware hack to add sdcard support?

I wonder if anyone's looked in to this? Could be huge - most of us have a dead simcard slot - I wonder if there's a way to hack in an sdcard reader to the hardware?
What dead MicroSD card slot?
Do you mean the slot that has the serial # info and has nothing to do with ab SD card?
RojasTKD said:
What dead MicroSD card slot?
Do you mean the slot that has the serial # info and has nothing to do with ab SD card?
Click to expand...
Click to collapse
He said dead sim card slot, not dead MicroSD card slot. The OP clearly realises the slot has nothing to do with an SD card. Seems you have misunderstood or not bothered to read it properly but nevertheless im sure the pretty much redundant piece of plastic with the serial info is something that I'm sure a lot of TP users would be prepared to sacrifice if they could mod in a card reader.
If you're going to hack anything then hack the USB port to work as a host and read away!
coolhand83 said:
He said dead sim card slot, not dead MicroSD card slot. The OP clearly realises the slot has nothing to do with an SD card. Seems you have misunderstood or not bothered to read it properly but nevertheless im sure the pretty much redundant piece of plastic with the serial info is something that I'm sure a lot of TP users would be prepared to sacrifice if they could mod in a card reader.
Click to expand...
Click to collapse
Yes, I misunderstood... my apologies.
I've wondered if it would be possible to solder in a wire from a +5v somewhere to the USB. (I'm sure someone will quickly point out if this is a "bad" idea...)
Sent from my HP Touchpad using Tapatalk
tekowalsky said:
I've wondered if it would be possible to solder in a wire from a +5v somewhere to the USB. (I'm sure someone will quickly point out if this is a "bad" idea...)
Sent from my HP Touchpad using Tapatalk
Click to expand...
Click to collapse
you would probably need to create 5v first. the touchpad I think runs off something like 3v. while I seems like a good idea to hack in a card reader,my feeling is not to.worry until you in out of memory. a better idea might be a device stuck to the back containing a extra battery and a card.reader. It would make the tablet thicker but increase battery life and provide plenty of storageas well as providing the power needed for the reader.
PA49 said:
If you're going to hack anything then hack the USB port to work as a host and read away!
Click to expand...
Click to collapse
This would also be awesome. I think it would take a bit more for this though than an sdcard since the sdcard can operate up to 3.7v.
Duplicate Post
LateralOctober said:
This would also be awesome. I think it would take a bit more for this though than an sdcard since the sdcard can operate up to 3.7v.
Click to expand...
Click to collapse
Sorry I wasn't clear enough, you can do this for real right now!
pa49 said:
Sorry I wasn't clear enough, you can do this for real right now!
Click to expand...
Click to collapse
Do you have a link?
LateralOctober said:
Do you have a link?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1316174
And there is another fuller in depth post on another forum which I will not post here as the last time I tried to be helpful I was accused of spamming and threatened with a ban so you will have to try a google.
---------- Post added at 06:11 PM ---------- Previous post was at 05:38 PM ----------
Oh what the heck
http://rootzwiki.com/topic/3724-functional-usb-host-on-touchpad/
pa49 said:
http://forum.xda-developers.com/showthread.php?t=1316174
And there is another fuller in depth post on another forum which I will not post here as the last time I tried to be helpful I was accused of spamming and threatened with a ban so you will have to try a google.
---------- Post added at 06:11 PM ---------- Previous post was at 05:38 PM ----------
Oh what the heck
http://rootzwiki.com/topic/3724-functional-usb-host-on-touchpad/
Click to expand...
Click to collapse
Well that's not near what the OP was talking about. An SD card that give you build in storage, even on the go, is much more practical than this option.
Still could be useful, but for me it not very practical.
RojasTKD said:
Well that's not near what the OP was talking about. An SD card that give you build in storage, even on the go, is much more practical than this option.
Still could be useful, but for me it not very practical.
Click to expand...
Click to collapse
Of course it isn't, but it is what I was talking about and the OP asked for the link.
So what's your problem?
pa49 said:
Of course it isn't, but it is what I was talking about and the OP asked for the link.
So what's your problem?
Click to expand...
Click to collapse
I don't have a problem...
1. I didn't see where he asked about it... my apologies there.
2. Just pointing out the limited usefulness compared to the SD card solution.
I wasn't trying to be a jerk.
Personally I think the best solution would have been if HP would of just included an SD or MicroSD card. It drive me nuts when manufacturers mimic the apple model and give you less option and features as if that will equal success (looking at you Touchpad and GalaxyTab 10.1).
Um... Looks like the subject is just about buried in the amount of crap everyone has been piling on so far.
So back to constructive discussion... What are the advantages of having SD card in your mobile device (be it a phone or a tablet)?
I have a 16GB microSD card in my Nexus One, and I have never taken it out. I almost wish all of the flash was just integrated.
With quality of USB and network file transfer protocols I think SD is just about useless.
r00tb33r said:
Um... Looks like the subject is just about buried in the amount of crap everyone has been piling on so far.
So back to constructive discussion... What are the advantages of having SD card in your mobile device (be it a phone or a tablet)?
I have a 16GB microSD card in my Nexus One, and I have never taken it out. I almost wish all of the flash was just integrated.
With quality of USB and network file transfer protocols I think SD is just about useless.
Click to expand...
Click to collapse
Very simple, I can put all my photos, videos, documents, downloads, Maps for my GPS apps on my SD card. It leaves more space on my device for apps and if and when I wipe my device I don't lose any of it. I've had time when I was having an issue with a device and had to wipe everything. Having certain files on my SDcard kept me from loosing anything. with my phone I've stored different ROM on my SDcard so I could test them out and switch between various ROM with ease.
I don't take my SDcard out either, the purpose of the SDcard isn't to move files from you computer to you phone but rather as storage.
But, I'll give you $10 for that useless 16GB microSD card.
RojasTKD said:
Very simple, I can put all my photos, videos, documents, downloads, Maps for my GPS apps on my SD card. It leaves more space on my device for apps and if and when I wipe my device I don't lose any of it. I've had time when I was having an issue with a device and had to wipe everything. Having certain files on my SDcard kept me from loosing anything. with my phone I've stored different ROM on my SDcard so I could test them out and switch between various ROM with ease.
I don't take my SDcard out either, the purpose of the SDcard isn't to move files from you computer to you phone but rather as storage.
But, I'll give you $10 for that useless 16GB microSD card.
Click to expand...
Click to collapse
Technically a TouchPad without hardware damage is unbrickable, USB is connected to CPU so you could always push a boot image to RAM.
You do bring up a valid issue, but some of the ways you can stop relying on local storage are cloud storage and cloud backups. These Palm accounts that we get with WebOS on the TouchPads do just that.
Which brings us to the next question, can we have an application to access our Palm accounts from Android?
r00tb33r said:
You do bring up a valid issue, but some of the ways you can stop relying on local storage are cloud storage and cloud backups. These Palm accounts that we get with WebOS on the TouchPads do just that.
Click to expand...
Click to collapse
But I like local storage. I rather have my music on my SD card. There are some picture I'd also like to have on my device locally. Same with documents and a variety of other thing. I don't have to have everything on there, but there are something I would like to have. Not to mention that being a WiFi device I can't always have access to cloud storage.
There is room for both in my opinion.
OK, I'm done... back to you regularly scheduled thread.
ive been curious about this since i got mine, but i have a 32gb, so its never really been a project in the front of my mind...imma take a look at the whitesheets and teardowns (cuz i dont wanna open mine if SD isnt possible ) and see if there are even pins for data available, but im pretty sure there isnt, which would also explain why devs are working on getting OTG running

Wait... sd expandable for up to what???

I was just googling on Tmobile's website and this just got my attention. I've always thought ours has an available sd card expansion limit for up to 32gb but it says 48??? has any of you tried exceeding storage space of more than 32??.. i just find this interesting.
http://htc.t-mobile.com/amaze-camera-phone
b33j7030 said:
I was just googling on Tmobile's website and this just got my attention. I've always thought ours has an available sd card expansion limit for up to 32gb but it says 48??? has any of you tried exceeding storage space of more than 32??.. i just find this interesting.
http://htc.t-mobile.com/amaze-camera-phone
Click to expand...
Click to collapse
I just checked the site and it said 32gb. Maybe you were looking at the wrong part? lol Anyways, I think some people on this forum have used the 64gb sd cards but I'm not sure.
shekki said:
I just checked the site and it said 32gb. Maybe you were looking at the wrong part? lol Anyways, I think some people on this forum have used the 64gb sd cards but I'm not sure.
Click to expand...
Click to collapse
yea you can use 64gb cards... they just are formatted differently so you have to put them in your phone then use your phone to format them then they work like the rest of the sdcards
shekki said:
I just checked the site and it said 32gb. Maybe you were looking at the wrong part? lol Anyways, I think some people on this forum have used the 64gb sd cards but I'm not sure.
Click to expand...
Click to collapse
Actually what he probably saw was right. What allot of company's do is add what memory comes with the phone already. So when they say you can expand to 48, they mean put in a 32gb + your 16 internal storage for a whopping 48. It's never exact 48 though since we get about 12gb of our 16 internal and about 28gb (give or take) from your 32 ad card.
Sent from my HTC_Amaze_4G using Tapatalk 2
Thread moved to Q&A.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Didn't we go to different schools together?...<~~~see what I did there? Coffee Bean!
Sent from my HTC One X, using Tapatalk 2.1.3

[Q] Tablet Z SD card problem

Hi guys,
first thanks for your help with my previous problem.
Unfortunately another problem came up.
My SD card deleted one folder with videos. It was
pretty strange because I was watching one of them
and then I just went to homescreen and when I turned
the screen on again this folder with videos which was
on my sd card just disappeared. And even when I
connected the tablet with pc it wasnt there.
And also some spotify songs which were on it just
deleted themselves. I dont know if it is problem with
the sd card or with my device or it just can happen.
The format of those videos was mp4 and I was using
the MX player.
Do you know what it might be?
Could it be a virus?
Probably not a virus. I'd suspect a bad quality SD card causing file table corruption since it sounds too random to be a controlled deletion. Was the deleted files perhaps the newest ones?
Try connecting the card to a PC and run a filesystem check.
Djhg2000 said:
Probably not a virus. I'd suspect a bad quality SD card causing file table corruption since it sounds too random to be a controlled deletion. Was the deleted files perhaps the newest ones?
Try connecting the card to a PC and run a filesystem check.
Click to expand...
Click to collapse
I havent tried it yet but I will, thanks for the tip. And yes it suits your description
and also the files were deleted when I was not connected to the internet.
So it is probably a bad SD card even when it is a class 10 card...
Charll13 said:
I havent tried it yet but I will, thanks for the tip. And yes it suits your description
and also the files were deleted when I was not connected to the internet.
So it is probably a bad SD card even when it is a class 10 card...
Click to expand...
Click to collapse
Bad cards can come from anywhere, in most cases the bad ones are discarded in QA testing but in sometimes they pass the initial tests. You could also have some physical flaw on your card which would still make it pass the electrical tests. Compare it to another card and see if it's thinner (particularly SanDisk had huge issues with fake cards showing this specific issue) and use the manufacturers authenticity testing utility if they have one. The problem with fake cards is mainly how to reach the ones affected by them since they usually have no idea the card is fake until it's too late.
Just out of curiosity, what brand is it?
Djhg2000 said:
Bad cards can come from anywhere, in most cases the bad ones are discarded in QA testing but in sometimes they pass the initial tests. You could also have some physical flaw on your card which would still make it pass the electrical tests. Compare it to another card and see if it's thinner (particularly SanDisk had huge issues with fake cards showing this specific issue) and use the manufacturers authenticity testing utility if they have one. The problem with fake cards is mainly how to reach the ones affected by them since they usually have no idea the card is fake until it's too late.
Just out of curiosity, what brand is it?
Click to expand...
Click to collapse
Its an SD card from a shop in Australia but I really cant remember its name. All I know is the shop
is pretty good and the price for the card was similar compared to for example SanDisc.
So technically it should be a good card.
Charll13 said:
Its an SD card from a shop in Australia but I really cant remember its name. All I know is the shop
is pretty good and the price for the card was similar compared to for example SanDisc.
So technically it should be a good card.
Click to expand...
Click to collapse
No it really won't technically be a good quality card unless its one of the big OEMs and even then there are bad quality cards from them.
If its a no name card then it doesn't matter what they said the specs are, it is most likely a cheaply made card that is going to run into significant issues. The upside of Sandisc or PNY is they have a replacement guarantee as long as its a manufacturers defect, most no name or off brand cards don't have any kind of warranty
And not trying to burst your bubble but just because you paid a certain price doesn't mean that it will make the card better, I have learned my lesson the hard way with such things.
Sent from my SCH-I605 using XDA Premium HD app

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