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64 SD Card Questions/Clarifications

So there seems to be a big misunderstanding on how and what kind of sd cards can be used in the note 10.1.
I have seen a lot of posts talking about whether or not you can use a 64gb sd card, whether it needs to be formatted, partitioned, and I have even seen posts describing a 2gb file limit with unformatted cards. I have good news!
These people are all completely misinformed!
The truth is you can put an unformatted, unpartitioned 64gb sd card into a note 10.1 out of the box! (Both the chip and device require NO MODIFICATION)
I have completed this successfully on three note 10.1's GT-N8013 (us variant of the note) both on ICS AND JB.*My success came with a San Disk 64gb Class 10 sd card.I have also used san disk 32gb non class 10.*Both cards require ABSOLUTELY NO FORMATTING, OR PARTITIONING TO WORK OUT OF THE BOX!!!!
Oh and 2gb file size limit per file is bs in regards to any sd card I have EVER used!! Downloaded a 5 and 8 gb file simultaneously last night.
Enjoy Your Droids now with extra memory!!
Oh and look up about how to switch internal storage with external storage. (It enables you to use a 64gb sd card for your apps.. more games!!) Max from rootgalaxynote.com has a guide on it. Theres other guides to but max writes fairly intuitive guides in my experience.

[Q] Phones, maximum microSD capacities & partitioning

Hi all,
I'm looking to get a new microSD card and - having a more modern device as well as the venerable HTC Desire HD - a question arose regarding maximum microSD capacities.
What is it that actually stops a phone from recognising any storage greater than its stated maximum? The microSD standard is the same for, say, 32GB and 64GB cards, so at what point does the phone say No more!? I assume it's not a software issue; perhaps something to do with the bus that connects the storage slot to the phone?
Which leads me to my actual question: surely, with a 64GB microSD card, one can modify the size of the partition to be 32GB (or less) and thus the phone will recognise it? For this question we can assume that the rest of the space is simply unallocated.
A follow-up query is "How, then, do phones handle external storage with multiple partitions"? Do they recognise multiple partitions up until their 'maximum size limit' is reached? Do they only see the first partition?
Thanks,
Jake

Perhaps it doesn't support that size memory card that you are trying to insert
Sent from my Nexus S using Tapatalk

jakeythesnake said:
Hi all,
I'm looking to get a new microSD card and - having a more modern device as well as the venerable HTC Desire HD - a question arose regarding maximum microSD capacities.
What is it that actually stops a phone from recognising any storage greater than its stated maximum? The microSD standard is the same for, say, 32GB and 64GB cards, so at what point does the phone say No more!? I assume it's not a software issue; perhaps something to do with the bus that connects the storage slot to the phone?
Which leads me to my actual question: surely, with a 64GB microSD card, one can modify the size of the partition to be 32GB (or less) and thus the phone will recognise it? For this question we can assume that the rest of the space is simply unallocated.
A follow-up query is "How, then, do phones handle external storage with multiple partitions"? Do they recognise multiple partitions up until their 'maximum size limit' is reached? Do they only see the first partition?
Thanks,
Jake
Click to expand...
Click to collapse
Yes, I think you can do it. Make a new Primary Partition of your Pen Drive, with size almost equal to the maximum size limit of SD Card your device can handle
May be this help you
Hit thanks if helped

256GB SDCard on GT-I9506/RR Rom

I got a 256GB SD-card recently. Only after purchase I bothered to check the phone specs, which clearly states that 64GB is max supported card size. Stupid, I know.
The phone sees the 256gb card, is able to read-write to it, but otherwise acts weird. Data amount saved to the card changes on every reboot, number of songs downloaded to card varies on every reboot. Either the card is faulty or its simply too big.
Noob that I am, couple of questions:
1) provided that the size is the issue, is using multiple partitions (eg split the capacity in two 128GB parts) worth trying?
2) are there differences on various ROMs on how they handle large capacity SD-cards? Currently running ResurrectionRemix 5.7.4-20161113 (Android 6.0.1)
Thanx and have a good one

SD cards support is more a matter of hardware than software. Otherwise even 2010 smartphones could run 256 GB SD cards.
I would say the card is faulty, since the phone wouldn't recognize it if it were to not supported. But don't take my word for it.
The reason why the S4 has the max capacity listed at 64 is because, at the time of its release, the biggest card was 64 GB.

256 gigs is way too high like Ow said.
Go with a type 11 64 gig memory card, I'm using a 32 gig type 1 and have to deal with errors constantly.

Partition it 4 x 64Gb using Minitool Partition Wizard.

Mungozandler said:
I got a 256GB SD-card recently. Only after purchase I bothered to check the phone specs, which clearly states that 64GB is max supported card size. Stupid, I know.
The phone sees the 256gb card, is able to read-write to it, but otherwise acts weird. Data amount saved to the card changes on every reboot, number of songs downloaded to card varies on every reboot. Either the card is faulty or its simply too big.
Noob that I am, couple of questions:
1) provided that the size is the issue, is using multiple partitions (eg split the capacity in two 128GB parts) worth trying?
2) are there differences on various ROMs on how they handle large capacity SD-cards? Currently running ResurrectionRemix 5.7.4-20161113 (Android 6.0.1)
Thanx and have a good one
Click to expand...
Click to collapse
It's likely a software/ROM issue as a friend of mine with a Note 2 has a 256GB MicroSD that runs perfectly.
The SDHX standard on the S4 can support MicroSD cards of up to 2TB theoretically.
Sent from my Sony Xperia X F5121 using Tapatalk

Kernel issue?
Try a kernel that supports exfat. I have one on an S3 mini running CM 12.1, and I am using a 128gb microsd with no problems.

Can anybody confirm a 256GB card works? It should since my 32GB works as exFAT and if the last post says 128GB is also working, that would suggest all sdXC would work, no?

I got a 128gb (micro sdxc samsung evo plus) on my galaxy S4 I9505 and runs like charm.
I'm sure if it was 256gb would run with no problems as well.
So the problem is not the card capacity, that's for sure.

Galaxy S7 and 400GiB SD Card?

Guys sorry for this dumb question but I heard that the S7's maximum SD-Card capacity was 200GiB.
My phone is rooted with magisk and SuperMan-ROM 3 (later maybe LineageOS Pie).
What happens when I insert a 400GiB SD-Card which I could get very cheap this weekend?
Will it work fine with all the capacity?
Will only 200GiB be accessible?
Will it not work at all?
Thank you!

ATP-Flo said:
Guys sorry for this dumb question but I heard that the S7's maximum SD-Card capacity was 200GiB.
My phone is rooted with magisk and SuperMan-ROM 3 (later maybe LineageOS Pie).
What happens when I insert a 400GiB SD-Card which I could get very cheap this weekend?
Will it work fine with all the capacity?
Will only 200GiB be accessible?
Will it not work at all?
Thank you!
Click to expand...
Click to collapse
I've had sucess on multiple phones using SD cards that were bigger than what the phones said they were capable of. I look at is is they can only guarantee up to thier stated max capacity, anything above that and there is a possibility of problems or not being able to read it. But every phone is different.
If it's real cheap you could get it regardless and could still use it. I picked up a little adapter for $12 that holds a micro SD card, it's regular USB on one end (for computer connection) and micro USB on the other using OTG function. Nickles for size comparison

I can confirm that the SANDISK Ultra® 400 GB is working flawlessly with the Galaxy S7.
The phone formats it to exFat and it shows 366 GB of available space.
(Which is correct.)
Only thing I couln't do yet is creating two partitions and linking the second to internal storage (No1 for exFat storage and No2 for Ext4 internal-sd-extension).
Well this just won't work.
When I try the internal-sd-extension is detected but I can't use it nor can I use the exFat storage which is not detected at all.
Don't know how to do this.
But nevermind.

ATP-Flo said:
I can confirm that the SANDISK Ultra® 400 GB is working flawlessly with the Galaxy S7.
The phone formats it to exFat and it shows 366 GB of available space.
(Which is correct.)
Only thing I couln't do yet is creating two partitions and linking the second to internal storage (No1 for exFat storage and No2 for Ext4 internal-sd-extension).
Well this just won't work.
When I try the internal-sd-extension is detected but I can't use it nor can I use the exFat storage which is not detected at all.
Don't know how to do this.
But nevermind.
Click to expand...
Click to collapse
For something like that you may need to use something like gparted to partition it how it needs to be for that to work, but I don't know

Pls help: those who have either 512GB or 400GB microSD card

Folks,
Those of you who holds 512GB or 400GB microsd card could you try if your X2 or K30 supports it?
Official xiaomi spec stated only can support up to 256GB but I am asking for real life actual experience here. Thinking of purchasing either one of these larger storage size cards so that I can take a few dozen albums of DSD files and 24bit flac files on the go. Especially useful for longer duration hiking trips up the mountains.

Memory cards work irrespective of the capacity specified by the manufacturer, You can use any capacity and it will work without any issue plus you can use 2 TB WD hard disk as well and it will work too

Hamza417 said:
Memory cards work irrespective of the capacity specified by the manufacturer, You can use any capacity and it will work without any issue plus you can use 2 TB WD hard disk as well and it will work too
Click to expand...
Click to collapse
I don't feel that's true, the size depends on the file system. I guess if you decide not to change the file system, the OS will always read 256 GB only, max to max. Or maybe could read none

Hamza417 said:
Memory cards work irrespective of the capacity specified by the manufacturer, You can use any capacity and it will work without any issue plus you can use 2 TB WD hard disk as well and it will work too
Click to expand...
Click to collapse
Hi, thanks for replying. For OTG connecting 2TB HDD for sure that will work as long as OTG function is enabled within developer setting provided drive is formatted in exFAT and not NTFS. However, we are talking about entirely different slot altogether. USB Type C slot VS microSDXC slot.
For K30, it seemed xiaomi has somehow limited the capacity of the slot to only max out at 256GB at the firmware level for some strange unknown intent according to some comments on chinese forums. Hence I am asking for those who already have a 400/512GB card at hand to help try out and confirm if this is true to remove any guessing work. Thanks！

F.LUX 56. said:
I don't feel that's true, the size depends on the file system. I guess if you decide not to change the file system, the OS will always read 256 GB only, max to max. Or maybe could read none
Click to expand...
Click to collapse
Yep, indeed file system plays a part. So let's assume the microsd card is formatted in exfat whether is it readable by K30 running MIUI 12?
Don't need the microsd card to be "formatted as internal storage" within the device as that for sure is limited at max 256GB capacity by xiaomi, don't know why they do that. However, I'm interested to know about the part where if the said microsd card is mounted as external storage can MIUI read and write to this storage at its fullest capacity of either 400GB or 512GB?