yashsingh1/xdaforums huggingface dataset:
[Android General] NYLimited:
Duplicating your SD card

There are a number of utilities which can help you duplicate or copy a card. Each has good and bad points. Most tend to copy files and, as a result, must also know the various file systems in use today. A few create images (I mentioned one earlier in this thread) but they have a difficult time restoring the image to a different size card, especially if the card is a few megs smaller.

Well, here's another cool little toy for your Windows based computer - free.

HDD Raw Copy Tool can duplicate all kinds of drives, not only SD cards. It simply does a blind, sector by sector copy from one drive to another. It is a utility for low-level, sector-by-sector hard disk duplication and image creation.

This little program supports S-ATA (SATA), IDE (E-IDE), SCSI, SAS, USB, FIREWIRE; big drives (LBA-48) are also supported. The program also supports low-level duplication of FLASH cards (SD/MMC, MemoryStick, CompactFlash, SmartMedia, XD) using a card-reader.

HDD Raw Copy tool makes an exact duplicate of a SATA, IDE, SAS, SCSI or SSD hard disk drive. Will also work with any USB and FIREWIRE external drive enclosures as well as SD, MMC, MemoryStick and CompactFlash media.

The tool creates a sector-by-sector copy of all areas of the hard drive (MBR, boot records, all partitions as well as space in between). HDD Raw Copy does not care about the operating system on the drive – it could be Windows, Linux, Mac, or any other OS with any number of partitions (including hidden ones). Bad sectors are skipped by the tool.

If your media has a supported interface then it can be copied with HDD Raw Copy!

In addition, HDD Raw Copy can create an exact raw (dd) or compressed image of the entire media (including service data such as MBR, Boot records, etc). Again, all filesystems (even hidden) are supported.

Some possible uses include:

Data recovery: make a copy of the damaged drive to attempt recovery on the copy

Data recovery: copy a damaged hard drive and skip bad sectors

Migration: completely migrate from one hard drive to another

Ultimate backup: Make an exact copy of the hard drive for future use

Backup: create an image of a USB flash stick and copy/restore at any moment

Software QA engineers: restore your OS hard drives at any moment from a compressed image

Duplicate/Clone/Save full image of any type of media!

Download Windows Installer

here

!

Download Windows Executable (works without installation)

here

!

Or, check out the other offerings at

HDDGuru

.
[Android General] NYLimited:
It depends on your phone and setup.

Consider that NAND memory can be slower than a good card on some devices. Additional to that the fact that Android is reading and writing /system a great deal whole your app is reading and writing /data - but the are on the same "drive". We figured out a long time ago that 2 or more drives offer better performance as they split the load.

I moved my entire /data partition to the card into an ext4 partition and left /system on the device. In effect, I am using "two drives". Between the Dalvik cache and applications loading and reading and writing my card gets a good workout and performance is important.

Still, some Class 10 cards are real dogs and do not perform. But a well performing card, whether class 4 or 6 or 10 can be a very important item.

In the scenario you described in tend to agree - any decent card will do the job.

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[Android General] NYLimited:
I never owned one but I understand Samsung is one of the good ones!

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[Android General] crancker:
reply

Yes of course I read it :) I had a great morning with a "lot of work" :) Maybe there were some misspelling but I haven't noticed it. :)
[Android General] xantixanti:
hello

i'm using Transcend 16GB Micro-SDHC (Class10) in my defy+

there is a poblem.

see that:

http://xdaforums.com/showthread.php?t=1596997

i can´t write in this thread and i need to know if i can do what it says:

NEW (UPDATED) INSTALLATION WAY:

I made a new cwm zip to make this fix fully compatible for stock roms (thanks to popcorn1122 for reporting files and folders to made this fully work on stock):

https://www.box.com/s/78a3a8a672af6f35bd84

(File are attached too)

copy to your sd card, preferably to the root of the SD, reboot your phone, open your recovery and choose "install zip from sd card", select this zip and install it.

Thankyou
[Android General] coohdeh:
good idea
[Android General] NYLimited:
TODAY (25 OCT 2012) only - Best Buy has the SanDisk 32GB Mobile Ultra microSDHC UHS-I Class 6 Secure Digital High-Capacity Card, model no. SDSDQY-032G-A11A, on sale for $24.99 with free shipping ($0.78/GB). A pretty good price for a 32GB UHS-I microSDHC. This is the Class 6 equivalent card with up to a 30MB/s transfer rate. It should work in most devices.

http://bit.ly/XnwEKu

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[Android General] NYLimited:
I am not familiar with the Defy so I cannot tell you if this works or not.

Keep in mind that if you have CWM Recovery installed and you create a backup it is easy to try since you can restore your device in minutes.

On a quick read it looked like the fix was for CM7 only - not CM9 or newer. Don't know if the problem exists in the newer versions.

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[Android General] noahk423:
I guess I'm a lucky one, I've been using an 8 GB class 2 Sandisk micro sdhc for over 4 years, and it hasn't failed me yet, and btw, great information!
[Android General] NYLimited:
Thanks for the kind words.

The card should last around 10 years with average use (whatever average might be).

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[Android General] ramola:
I have kept all user apps on sd card by moving with the help of titanium backup. So is there any need of partitioning sd card if i have lots of internal memory available?

Or in other words should i keep these user apps on sd card partition (creating ext4), to improve performance.

Please, waiting for ur reply.
[Android General] Pumå:
I somehow knew the class 10 cards wouldn't be so much better than class 4. The class 10 ones are very bad in random-read and random-write, even class 2 beat them there. Good that I have bought a class 4 one.
[Android General] NYLimited:
Aha! Another one who didn't fall for the "Class 10" sales pitch. I have been trying to say this all over XDA for a long time. Although they are really good for a video camera.. :o

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[Android General] ramola:
ny_limited, sir please ans me...

Otherwise i will really die tomorrow....
[Android General] NYLimited:
Does TB move them to the FAT32 partition? If yes, you are definitely more problem prone. The ext4 file system with journaling is a big improvement over FAT32.

I don't know if your card is faster than your NAND but simple benchmarks will tell you that. Regardless of speed it is unlikely that your NAND is using ext4.

So, the short answer is - yes, I would put data on an ext4 partition.

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[Android General] ramola:
Sorry sir. But i haven't made partition yet. i m planning to make it in ext3 or ext4. Now please tell me is it helpful for speed improvement or no need to make partition if i m running all apps well n good on single partition. Please....
[Android General] NYLimited:
Yes. Ext4 filesystem is faster (and safer) than Yaffs (usually used by NAND) or FAT32 or ext3.

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[Android General] NYLimited:
And I thought you were still using Dutty's WinMo ROM! :eek:

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[Android General] Phant0mXDA:
What Class are the SD cards that come with your phone?
[Android General] Pumå:
Indeed. The class 10 SDs are better for photo and video cameras, but for smartphones class 2-6 are much better due to the better random read and write speed, which is more important on smartphones.

I've seen a good speed comparison, I think it was on tomshardware, it is incredible how bad the class 10 ones are in random read and write, up to 100x slower speed there than the class 2-6 ones. The best is to check the card you want to buy and its random read and write before buying to be sure, because for example not all class 6 cards have good speed in random write and read.

I personally have a 32GB SanDisk class 4 one in my SGS3, it has very good speed, especially in random read and write, reliable and good price. :)
[Android General] NYLimited:
The original SD Card included with the phone was Class 2 if I remember correctly.
[Android General] thesellerfrank:
I agree with you, I'm using 32G samsung SD card... ang its the best so far...
[Android General] airjyp:
and is samsung sdcard is working for android such as sony , htc, etc?
[Android General] NYLimited:
The Samsung 32 GB card seems to be working in my old HTC fine.

I cannot say it is working a lot better than SanDisk but it is working as well.
[Android General] bigmee444:
+1

I have kingstone :good:
[Android General] ohdev:
Edited at the End;

I Just saw a Sandisk 16GB Ultra UHS-i Class 10 card, with an Android Logo, in the following Picture.

And there is the Sandisk 16GB Class 4 card,

now I know you already stated several times that the Class 4 is faster, because Android mostly uses Random access for small files,

but since this card has an Android Logo, I thought maybe it's faster?

I'm using the HD2, Jellybean On Nand and DataOnExt

also there is the Lexar Mobile 16GB (there are class 4 and 6)

So out of the three, which would be the best?

PS: I just realized today that it's Sandisk and not Scandisk as I used to say and even read since maybe 10 years :D is it just me ? :D
[Android General] NYLimited:
I wish it was that simple. Technically, a Class 6 card is faster (but SanDisk does not make one) and a Class 10 is yet faster. But, too many Android devices do not yet support UHS, many can't even handle Class 10 properly. Android may be fine with a card but the bus in device must also cooperate.

So, it really depends on your device as much as the card. While a Class 4 card should not be faster it may not be slower either. If you have the option test a fast card and return it if it doesn't perform as expected.

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[Android General] ohdev:
Thank you,

Unfortunely I will not be able to test and then return it, because its packaged.

I just bought a transcend 16gb class 10 earlier, so I can't waste another card

So would you recommend buying the sandisk 16gb class 4 in the end? :)
[Android General] NYLimited:
I have no issues with the Sandisk class 4 card; I own several of them. I am currently using/testing a Samsung class 6 which is only marginally faster.

Check your device's specs and use that as a guide. Often the device can work somewhat faster than the recommendation but if UHS is not specifically supported it will only work as a Class 10 card.

As for brands - many work well but in my personal experience Sandisk and Samsung are generally reliable.

Transcend should be fine. No need to switch unless it gives you a problem.

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[Android General] thesellerfrank:
I choose samsung microsd due to the fact that it was cheaper than Scandisk in our place and it has different spec with Samsung MicroSD..

I found out that there is a lot fake memory card out in the market... I choose samsung sd card because I use samsung phone also and I believe that it will fit together...

I am using Samsung microSD 32G class 10 as of the moment...
[Android General] ohdev:
As I mentioned before, my device is HD2 EU, and my Installation is Nand with DataOnEXT.

I tried three cards so far:

1- Kingston class 4, very slow(lag when opening applications, when returning back from sleep, etc.

2-SanDisk Class 4, was quite good, until it became faulty somehow and slow.

3-Transcend Class 10, also faced the slowness like the Kingston.

so that's why I want to change, so my options were as I told you, and since you own an HD2 also I would definitely take your advice :o
[Android General] NYLimited:
Personally, I am happy with either Samsung or Sandisk. That us nit to say other brands all such, of course. My Samsung Class 6 outperforms the Sandisk Class 4 *slightly*.

This may not be a good deal fir you dye to shipping costs but buydig.com is selling the 32 gb Samsung Class 6 card for a bit US$20 currently.

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[Android General] Lazar81:
Thx for info
[Android General] JJVDev:
I have an xperia play and games such GTA III lags. I have a class 4 sd card, a class 10 sd card will real make a noticiable difference?
[Android General] NYLimited:
If the xperia has a fast bus speed (I don’t know if it does) yes, it can make a difference. The faster read speed and a largish buffer can speed things up. What is your buffer set to now?

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[Android General] piapox:
nice guaid

thanks a lot
[Android General] jsstp24n5:
giesbr wrong

There needs to be a new standard. Micro SD is already too big (physical size).
[Android General] :
micro sd 32gb......getting 64gb when it comes to stores :)

---------- Post added at 06:58 PM ---------- Previous post was at 06:50 PM ----------

too big? phones are getting bigger, memory is getting bigger so how can you say it's too big?
[Android General] neronykto:
Good day! Would anyone know if SanDisk 64 gb SDXC exFAT-formatted cards will run on an Acer Iconia A210 with JB 4.1.1? Thank you!
[Android General] NYLimited:
Not officially. According to Acer it supports cards up to 32gb.

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If mathematically the result seems to be wrong, try multiplying by the page number.
[Android General] neronykto:
I'm holding off from buying it online until someone confirms it works. Sucks to ship from overseas.
[Android General] NYLimited:
SanDisk 32GB Ultra UHS-I microSDHC Card

US - Quill offers the

SanDisk 32GB Ultra UHS-I Class 6 microSDHC

card with adapter, model no. SDSDQUA-032G-A11A, for $14.99 with free shipping. That's $0.47/GB and the lowest total price seen. (It's also a current price low by $10.) It is UHS-I enabled and comes with a full-size SD card adapter.

Note - this is the "A11A" card which is a little slower than the latest versions but it is known to work with older devices, like the HD2.

NOTE - This is not a recommendation of the card; posted only to inform.​
[Android General] RaizoLevante:
Thx For The Guide...:)
[Android General] XxMaRCoRexX:
i love this thread

thanks for the guide :good:
[Android General] RoberGalarga:
Are you kidding, you don't? How can be this little thing too big? hahahaha :D
[Android General] Mark Oliver:
Android Backup App

"Nice collection of Apps. However I would like to add GDocs and Trubackup to the list. GDocs on one hand being a handy document creator anywhere and anytime, TruBackup on the other hand is an user friendly back up tool to store all the data like images, videos, apps, contacts and messages into our drop box account.

You can download the app on google play and search for TruBackup.

What do you think about these amazing apps? They deserve to be on the list, right?"
[Android General] EVObastard:
I'm having trouble with assigning a file name for the destination. I start the application and can't figure out how to get the view of all the partitions like you showed. Also I can not figure out how to name the file, when I browse to the folder I want to store it in I do not get a "save" option only "open" (this is on windows vista, card reader on my XP is fried at the moment so I can't try on that :o)
[Android General] NYLimited:
The apps may well be amazing (I don't really know them) but they do not help to maintain or duplicate or format SD Cards...
[Android General] NYLimited:
Sorry, I am not sure which app you are having issues with.

Can you point me to the original post or a name or something?
[Android General] EVObastard:
Sorry, I couldn't have been more vague could I? This is all from post #2, First I don't see how you view the partitions with the Minitool, and then when naming the file I only have a "open" button not a "save" so I can not create a file on my pc

Hope this makes sense.
[Android General] NYLimited:
We can all be more vague at times. :D

The Minitool display is just that - a display only. If the card is in the reader when you start Minitool it should show you the drives on your machine, including the card. You can look at the card with many things, including the Windows disk manager (although it will not identify an ext4 partition).

As for the file name.. Yes, the software is a little odd. Just click the open button, pick a path where you want to create the file and give it a name. Even though it was "open" it will be created if you are using the "read" card choice.
[Android General] EVObastard:
By "Minitool" you mean simply executing the Win32imagereader? because there is nothing in my downloaded zip file that is labeled Minitool. If that is the case then mine does not give me a view. This is what mine looks like after I start it.

View attachment 1949284
[Android General] NYLimited:
No, the Partition manager mentioned in one if the first 3 posts. Check this link:

www.partitionwizard.com/free-partition-manager.html

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[Android General] EVObastard:
Few, thought I was missing something obvious, thank you very much. Gonna get a new card reader today and see if I can get the image writer done. :fingers-crossed:
[Android General] uro4m:
Bookmark for reading later.

Thank you
[Android General] GruiaNovac:
a question

I have an Ascend p1

I just ordered a class 10 32gb Adata card (silver)

was wondering how it compares to the internal memory of the phone? Because I see people suggesting to use SD card as primary storage
[Android General] NYLimited:
Don't know the device and as far as I know they have not listed NAND speed information..
[Android General] kiayichsan:
can someone help me, i have SD card for my digital camera, suddenly it becomes error and cannot be formated, i use the sd formatter and it says "Write protected" and also the capacity is change from 8 GB tuh 1 GB, i will really appreciate if someone have the way to fix it :(
[Android General] NYLimited:
Odds are the card is damaged but if you want to experiment you can try a few things.

If you have a Windows computer

Open the RUN window (windows key +r)

Type diskpart in the run window

In diskpart type list disk

Type select disk x where x represents the disk number of the SD card in the left column

Be careful to select the right one - you don't want to erase your HD or anything like that!

Type clean - ALL partitions will now be removed from the card, as well as an mbr or boot sector wich might be there if you ever made it bootable.

Your card is now no more than an expensive brick... ;)

Type create partition primary - a new primary partition will be created, as big as possible

Type active if you want to set the partition active (you probably do not need this step)

Exit diskpart and format the sd card and you may be ready to go

You could also try

HDDGuru

but I am not sure how well this would work for you.
[Android General] DaceNT_DNT:
Good info, thanks!
[Android General] EVObastard:
Hello again, I finally got it all to work. I have a 32 GB card with 488.85 MB on ext3 and 28.76 GB on card, I had partitioned it with ext3 when it was in my HTC EVO and am now using it in my Sprint GS3. Should I re-partition it with ext4? or just leave it? I am not real clear on what all happens on the ext3 partition, everything seems to work pretty good now just wondering if I can tweak it a little more for better performance. Thanks for all your help on here.
[Android General] NYLimited:
Well done!

Is there a specific reason you selected less than half a gig? With a 32 gb card I would allocate at least 1 gb to the ext partition. Keep in mind that all your apps, data, dalvik and cache will be in that partition.

Ext3 will work for you although ext4 is newer and, according to benchmarks, slightly faster.
[Android General] EVObastard:
No reason other than I wasn't sure what I was doing back then so I just followed the instructions. That's what I thought about ext4 so I will do that and make it maybe 2GB? (I think that would be good enough for me). Since my card will be completely erased is there a way to see what is on ext3 now so that I know what to re-install?
[Android General] NYLimited:
There are manyways you can see the partition content, including a bootable Linux CD, a recovery like TWRP running on your HD2 which can execute a file manager, dsixda's kitchen, etc.

Keep in mind that

TWRP EXtended

recovery can switch the partition from ext3 to ext4 and keep your data. Minitool Partition manager claims to be able to resize partitions without loss of data as well but I have not actually tried this myself. A quick and simple way to keep the data (assuming you need to keep it) is to use TWRP to switch the partition to ext4, backup the ext4 partition, resize it and restore the backup you just created. TWRP also has a basic file manager built into it so you could look at the partition before doing all the work.
[Android General] EVObastard:
Beautiful, thank you very, much I will let you know how it goes.
[Android General] GoJo ^^:
WOULD REALLY LIKE SOMEONE TO TELL ME : The problem I had with the Samsung class 10, will it be same with other class 10? Android can't handle them? Cause there's good promotion.. RIGHT NOW!
[Android General] NYLimited:
The problem is not with Android or Class 10, specifically.

It is either the sd card or the device it goes into that create the issues.

I cannot tell in advance, without trying, which cards might misbehave in which devices, sorry.
[Android General] tadimy:
very useful~

---------- Post added at 01:44 PM ---------- Previous post was at 01:39 PM ----------

thx very much !
[Android General] Snah:
Hi!

I've scorched the net and XDA for an answer to my problem.

I have a Samsung Galaxy S2 and recently bought a no-name 64 GB SDXC card to replace my 32 GB, but I can't get it working properly.

I can transfer files to the card both via a micro SD adapter and the USB contact plugged to the computer. The SGS2 detects it, but the folders and files in them are corrupted by the phone. After some GBs, all folders are empty and folder names format like this:

"Dave Gahan" > "µAVEGA~1" (spaces in original folder name)

"Depeche Mode" > "µEPECH~1" (spaces in original folder name)

"Delerium" > "µELERIUM"

Haujobb > "µAUJOBB"

Accept > "µCCEPT".

Here's a screenshot from X-plore:

http://13j.imghost.us/uY/Screenshot_2013-05-14-03-43-32.png

If I put the SDXC back in the computer, the folders are like in the phone (corrupted).

I've never had this issue with the 32 GB card and right now it's working perfectly having the exact same files as the 64 GB on it.

I'm running stock ROM with Speedmod kernel 4.1.2. The 64 GB is formatted to FAT32 with 32 kb cluster size and there are no files over 4 GB.

Is there a way to solve this or is my 64 GB SDXC broken?

Thanks.

[Written by my thumbs using Tapatalk.]
[Android General] NYLimited:
I have seen this issue once from another person and am not certain what the final solution or fix was. We were guessing possible card issues but your situation is more complicated.

I am guessing the SGS2 does not support ExFAT. I wonder if the size could be impacting it..

What did you use to format the card with? Have you tried other sofwtare to format with?

Does this happen to a, say, 32 GB card also in the same SGS2?
[Android General] ahmad 25:
great information thinks
[Android General] Sayan44:
Thanks for the info :o