SD card problems - Moto G 2015 Q&A, Help & Troubleshooting

Hello I'm posting on behalf of my sister who is having issues with the SD being set as internal memory in Android Marshmallow. The device is a factory unlocked device and currently has a Class 10 16Gb Sanddisk micro-SD card.
We have also tried a slower Class 4 card (same capacity) and am still having issues. I think the phone has been dropped a few times but these issues are annoying my sister so I was wondering if we should do an RMA or is this behaviour common?

But what was the exact problem you/she faced?
Broadcasted from Zeta Reticuli

itechy said:
Hello I'm posting on behalf of my sister who is having issues with the SD being set as internal memory in Android Marshmallow. The device is a factory unlocked device and currently has a Class 10 16Gb Sanddisk micro-SD card.
We have also tried a slower Class 4 card (same capacity) and am still having issues. I think the phone has been dropped a few times but these issues are annoying my sister so I was wondering if we should do an RMA or is this behaviour common?
Click to expand...
Click to collapse
What is the problem exactly?
And BTW, a Class 10 card is not fast enough for internal memory, a Class 4 will downright either frustrate you or flat out cause errors... If you're going to use it as internal (adopted) storage, you need a quality, brand name card with a minimum UHS1 rating, but a UHS3 card is preferred.

The device is saying that the SD card cannot be found randomly and due to this deletes apps / stuff stored on internal storage.
And a UHS 1 is equal to a class 10 card
Sent from my A0001 using XDA Labs

itechy said:
The device is saying that the SD card cannot be found randomly and due to this deletes apps / stuff stored on internal storage.
And a UHS 1 is equal to a class 10 card
Click to expand...
Click to collapse
No, just a class 10 card is not equal to a modern UHS1 card, not even close... The minimum speeds are similar, but in real life the read, and more importantly write, speeds are 4-8 times that of just a class 10 rating, especially for extended periods of read or write. https://www.dpreview.com/forums/thread/3221163 Trust me, in real world especially when used for internal memory the difference is quite noticeable.
But back to the problem... Assuming you have tried clearing the cache partition in recovery, and possibly a factory reset, Most of the time this issue of random disconnection goes back to one of two things, a poor quality microSD card or poor connection of the phones card reader. The first one is easy to test, pickup a Samsung EVO+, SanDisk Extreme, Lexar 633x, or similar high quality card and test, if it still fails then there isn't anything you can do about except contact Moto customer service for repair.
Sent from my Motorola XT1575 using XDA Labs

itechy said:
The device is saying that the SD card cannot be found randomly and due to this deletes apps / stuff stored on internal storage.
And a UHS 1 is equal to a class 10 card
Sent from my A0001 using XDA Labs
Click to expand...
Click to collapse
Did you ever find a fix?? I had the same issue with two phones. It would say the card ejected and id have to restart to correct it. I have used 4 different cards including a UHS-1 class 10. It has to be a software issue. Wonder if this feature worked in 6.0 and stopped in 6.0.1?? Maybe fix in Nougat? What a pain!

shawndak said:
Did you ever find a fix?? I had the same issue with two phones. It would say the card ejected and id have to restart to correct it. I have used 4 different cards including a UHS-1 class 10. It has to be a software issue. Wonder if this feature worked in 6.0 and stopped in 6.0.1?? Maybe fix in Nougat? What a pain!
Click to expand...
Click to collapse
If this is the case that you have tried several cards, it's probably a handset hardware issue, not a software issue... Nougat likely won't fix it.
Sent from my Motorola XT1575 using XDA Labs

Well I'm still under warranty wonder if they'd replace it with a 16gb model. Only reason I got the 8gb was due to the adaptable storage option. What a pain!

shawndak said:
Well I'm still under warranty wonder if they'd replace it with a 16gb model. Only reason I got the 8gb was due to the adaptable storage option. What a pain!
Click to expand...
Click to collapse
Your issues are not normal... Better to get if fixed even if you only get an 8GB model back, if it works reliably.
Sent from my Motorola XT1575 using XDA Labs

The problem is with two phones bought at different times, doubt it'd be an issue with both. Are you using adaptable storage no problem on moto g3?

shawndak said:
The problem is with two phones bought at different times, doubt it'd be an issue with both. Are you using adaptable storage no problem on moto g3?
Click to expand...
Click to collapse
I was... My son is using it now with no issues.
Out of curiosity... What brand/model cards have you used? It has kind been a trend that lower quality cards have issues. We have moved to SanDisk Ultra or Samsung EVO+ almost exclusively
Sent from my Motorola XT1575 using XDA Labs

acejavelin said:
I was... My son is using it now with no issues.
Out of curiosity... What brand/model cards have you used? It has kind been a trend that lower quality cards have issues. We have moved to SanDisk Ultra or Samsung EVO+ almost exclusively
Sent from my Motorola XT1575 using XDA Labs
Click to expand...
Click to collapse
Using adaptable storage??? With apps transfered? I've used both of those cards haha but you're saying it works flawlessly? What exact card and your fully updated as well? Thanks

shawndak said:
Using adaptable storage??? With apps transfered? I've used both of those cards haha but you're saying it works flawlessly? What exact card and your fully updated as well? Thanks
Click to expand...
Click to collapse
Yes... No issues on stock or Resurrection Remix rom with adopted storage. I used a 64GB Samsung EVO (none + version)
Sent from my Motorola XT1575 using XDA Labs

Hmm I've been using 32gb ones. The phone works perfectly with portable storage so it blows my mind the issues that is has with ejecting or saying the card isn't there. If it was physical you'd see it with portable storage as well I believe. Do any of the custom Roms give more user space? Once again thank you!

Sister is testing out a new UHS 1 card and has so far (3 days) experienced no issues...
Sent from my A0001 using XDA Labs

Related

[Q] worlds fastest micro sd card

could someone possibly tell me if this micro sd card from sandisk
would work with our atrix 2 i have seen people saying that
a 16Gb will not work but i have been using a standard 16Gb class 10
for a few weeks without any problems
link:
http://shop.sandisk.com/store/sdisk...etailsPage/productID.241413800?psrid=21412487
any help will be appreciated
sharingan92 said:
could someone possibly tell me if this micro sd card from sandisk
would work with our atrix 2 i have seen people saying that
a 16Gb will not work but i have been using a standard 16Gb class 10
for a few weeks without any problems
link:
http://shop.sandisk.com/store/sdisk...etailsPage/productID.241413800?psrid=21412487
any help will be appreciated
Click to expand...
Click to collapse
I think the biggest problem people actually have is with the Class 10 speed rating. Just the other day, after posting here that I didn't have any problems, I had some write issues (with taking pictures and saving files) that are probably attributed to using a Class 10 card in mine. Hopefully Motorola sorts this out with an update to ICS (if us AT&T users ever see it).
As it is, the general recommendation is Class 4 or 6 for an Atrix 2, AFAIK.
Cheers.
i already know of this it seems adjusting the sd cache
helps a bit
I already bought 2 times sd ultra 32gb class 6 n 10 from Sandisk..used it only less than a week n then corrupted..now im using sdcars 32gb class 10 brand kingmax..used it for a month n no problem occur..tq. (illneverlookbacktosandisk)
Sent from my MB865 using xda premium
If you have not had any problems with a Class 10 card you are probably the only person not to have issues or your issues will be starting soon.
Class 2 and 4 sd cards are the only ones that will work without problems in the Atrix 2. People that have been testing the ICS leaks are having the same problem with sd cards as they did with gb. This appears to be a hardware issue with this phone and there is no amount of software work around that will fix it.
ajsedlacek said:
Class 2 and 4 sd cards are the only ones that will work without problems in the Atrix 2.
Click to expand...
Click to collapse
Class 6 will also work. Anything above class 6 and you're asking for trouble...
Sent from my MB865 using xda's premium carrier pigeon service
Apex_Strider said:
Class 6 will also work. Anything above class 6 and you're asking for trouble...
Sent from my MB865 using xda's premium carrier pigeon service
Click to expand...
Click to collapse
The two Class 6 cards I have get errors after having connected to a PC via USB and then disconnecting. This isn't specific to a particular Atrix 2, I am on my third one.
ajsedlacek said:
The two Class 6 cards I have get errors after having connected to a PC via USB and then disconnecting. This isn't specific to a particular Atrix 2, I am on my third one.
Click to expand...
Click to collapse
Are you ejecting the device as if it were a drive before disconnecting, or just yanking the USB cable out?
Sent from my MB865 using xda's premium carrier pigeon service
Apex_Strider said:
Are you ejecting the device as if it were a drive before disconnecting, or just yanking the USB cable out?
Sent from my MB865 using xda's premium carrier pigeon service
Click to expand...
Click to collapse
I am ejecting. But the main thing here is that there is a hardware problem with the sd card reader.
There are a couple of different hardware builds of the phone. Some can use up to class 6 and some can only go up to class 4. Just like some have wifi and bluetooth problems and some don't.
My second Atrix 2 didn't have wifi or bluetooth connectivity issues but it had a buzzy phone speaker which is one of the reasons it was replaced.
ajsedlacek said:
If you have not had any problems with a Class 10 card you are probably the only person not to have issues or your issues will be starting soon.
Class 2 and 4 sd cards are the only ones that will work without problems in the Atrix 2. People that have been testing the ICS leaks are having the same problem with sd cards as they did with gb. This appears to be a hardware issue with this phone and there is no amount of software work around that will fix it.
Click to expand...
Click to collapse
Are all the user had problem with their class 10 32gb using the same ROM as me??
Because for now im still using class 10 with no issue at all..maybe the brand also important..bcoz my previous sd 32gb class 6 n 10 was ultra mobile from sandisk..used it only for a week n then corrupted..or maybe u all can start testing the same brand ive used rite now..
Sent from my MB865 using xda premium

Just a heads-up - issues with sandisk 32gb ultra micro sdxc

Just a heads-up to anyone who might be buying this card as it's extremely popular on amazon
Seems to be some issues with the gs4 - it keeps on mounting/dismounting by itself and generally being buggy.
Before anyone flames me, I'm aware this is a well documented issue already with the gs3, and indeed there were some 'dodgy' sandisk cards that sandisk fixed in a SEPARATE issue.
However, I've used two different ones of THIS particular card, bought recently, and in two different gs4's, and the problem has arised in both. So you do the maths. Just a heads up in case anyone is worried it's a problem with their card - it isn't.
I have no issues with mine in any way maybe I am lucky then
Sent from my GT-I9505 using xda app-developers app
paddylaz said:
Just a heads-up to anyone who might be buying this card as it's extremely popular on amazon
Seems to be some issues with the gs4 - it keeps on mounting/dismounting by itself and generally being buggy.
Before anyone flames me, I'm aware this is a well documented issue already with the gs3, and indeed there were some 'dodgy' sandisk cards that sandisk fixed in a SEPARATE issue.
However, I've used two different ones of THIS particular card, bought recently, and in two different gs4's, and the problem has arised in both. So you do the maths. Just a heads up in case anyone is worried it's a problem with their card - it isn't.
Click to expand...
Click to collapse
I have the 64gb sandisk about a week and doesnt have any problem with I9505...
Do you guys both have the sdxc version (not sdhc)?
If so fair enough. The odds seem fairly improbable though so standing by my observation just in case anyone else has troubles and are wanting to identify a possible source
paddylaz said:
Do you guys both have the sdxc version (not sdhc)?
If so fair enough. The odds seem fairly improbable though so standing by my observation just in case anyone else has troubles and are wanting to identify a possible source
Click to expand...
Click to collapse
Sdxc 64gb here...
No problem at all...
I have a Kingston 32gb and when formatted with my pc the card works perfect for a short while in my gs4 but after a few hours/day it wont let me write to it. Can't make folders or pics won't save to it. Once removed and formatted it works fine again. Only purchased the other day I get a feelin its the phone not card can someone help who has a similar issue. Thanks
Sent from my GT-I9505
I have 32gb sandisk, been in for 3 weeks now and not had any problems.
SanDisk Ultra 64 GB MicroSDXC
Exact same issue:
vimto25 said:
I have a Kingston 32gb and when formatted with my pc the card works perfect for a short while in my gs4 but after a few hours/day it wont let me write to it. Can't make folders or pics won't save to it. Once removed and formatted it works fine again. Only purchased the other day I get a feelin its the phone not card can someone help who has a similar issue. Thanks
Sent from my GT-I9505
Click to expand...
Click to collapse
ccirish said:
SanDisk Ultra 64 GB MicroSDXC
Exact same issue:
Click to expand...
Click to collapse
I too am having an issue with "sd card unexpectedely removed" with a SANDISK 32GB card - It is the android version.
Very annoying. Any tips?
ccirish said:
SanDisk Ultra 64 GB MicroSDXC
Exact same issue:
Click to expand...
Click to collapse
I wounder if many other gs4 users have this maybe we should open a topic on our problem as im very frustrated why we are getting this problem
Sent from my GT-I9505
No issue on my 64GB SanDisk card here. Try to ask for a replacement.
No problems here using a 32gb or a 64gb. Mine were from Amazon as well.
Sent from my GT-I9505 using xda app-developers app
Well I noticed with my memory card (kingston 32gb) I just wanted to walk past , present It become damage to need formatting.
First when I switched It of then now after I updated the firmware
Sent from my GT-I9505 using Tapatalk 2
I am using 32GB SanDisk SDHC (Class 10) Android version. No issues so far.
I have a 32GB SandDisk Micros SD HC which has intermittent reading problems. Switching off the phone and taking out the Micro SD for a few seconds and putting it back and rebooting the phone solves the problem. This has only happened to me 3x ever since I owned the phone. I'm not sure if this is the Micro SD or the ROM's fault. Putting the Micro SD in my Note 2 works perfectly.
paddylaz said:
Just a heads-up to anyone who might be buying this card as it's extremely popular on amazon
Seems to be some issues with the gs4 - it keeps on mounting/dismounting by itself and generally being buggy.
Before anyone flames me, I'm aware this is a well documented issue already with the gs3, and indeed there were some 'dodgy' sandisk cards that sandisk fixed in a SEPARATE issue.
However, I've used two different ones of THIS particular card, bought recently, and in two different gs4's, and the problem has arised in both. So you do the maths. Just a heads up in case anyone is worried it's a problem with their card - it isn't.
Click to expand...
Click to collapse
I bought this exact card: http://www.amazon.com/gp/product/B009QZH6JS
SanDisk Ultra 64 GB MicroSDXC Class 10 UHS-1 Memory Card with Adapter (SDSDQU-064G-AFFP-A)
Have had it in my phone since May 1st, use it for videos, music, among a few other things. Lives in my phone except when it's in my laptop for file transfers.
And out of all that, I've had absolutely zero problems, at least so far. I know it's the 64 GB, not the 32 GB model, but just thought I'd add my experience to the thread.
Sandisk Ultra 32gb here, formatted as exfat, never had any issues here.
Sent from my GT-I9505 using xda app-developers app
DomFel said:
Sandisk Ultra 32gb here, formatted as exfat, never had any issues here.
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
Same here. I have the Sandisk 64GB ultra SDXC formatted as exFAT and had no issues with my i9505.
Have you guys tried to format the SD card on the phone not on PC?
sraffo said:
Same here. I have the Sandisk 64GB ultra SDXC formatted as exFAT and had no issues with my i9505.
Have you guys tried to format the SD card on the phone not on PC?
Click to expand...
Click to collapse
Ive tried both but not sure if its fat32 or exfat to think of it. Ill have a check when I get home unless there is a app I can check?
Sent from my GT-I9505
vimto25 said:
Ive tried both but not sure if its fat32 or exfat to think of it. Ill have a check when I get home unless there is a app I can check?
Sent from my GT-I9505
Click to expand...
Click to collapse
I only know how to view on PC.. but I'm sure that have a way to view on the phone.
Anybody?

Samsung 64gb Class 10

Hey fellow S4 users,
I just got my new micro SD card today and followed some guides here to remove the unallocated part and also to format it to fat32. After doing all this I checked my card and it says that there is about 58gb of free space even though there are no files on it. I was wondering whether this is normal? Or did I mess up somewhere in the process?
Thanks in advance!
Sent from my SHV-E300K using xda app-developers app
I believe this has to do with the discrepancy in definition of a Gigabyte. Read here: http://en.wikipedia.org/wiki/Gigabyte
You essentially have 64GB in the Base 10 definition, but around 58GB in the Base 2 definition.
hatefulsandwich said:
I believe this has to do with the discrepancy in definition of a Gigabyte. Read here: http://en.wikipedia.org/wiki/Gigabyte
You essentially have 64GB in the Base 10 definition, but around 58GB in the Base 2 definition.
Click to expand...
Click to collapse
there is always space that is allocated for the mile structure as well. Just like your computer HDD is not what is "advertised"
dwie said:
Hey fellow S4 users,
I just got my new micro SD card today and followed some guides here to remove the unallocated part and also to format it to fat32. After doing all this I checked my card and it says that there is about 58gb of free space even though there are no files on it. I was wondering whether this is normal? Or did I mess up somewhere in the process?
Thanks in advance!
Sent from my SHV-E300K using xda app-developers app
Click to expand...
Click to collapse
look at what your phone internal mem says and actually is, same kinda deal.
i got 64gb but read 62gb
lunarken said:
i got 64gb but read 62gb
Click to expand...
Click to collapse
what file system are you using?
More over-provisioning is better
Sent from my HTC One using Tapatalk 4
lunarken said:
i got 64gb but read 62gb
Click to expand...
Click to collapse
Titanium Backup tell me I have 62gb but the default System/Storage say 58gb
☞Sent from here☜
I have a Sandisk Ultra 32GB and it says total memory is 29.71GB. It never is what it has to be, just lik RAM. But when I get a 64GB card this year Ill be getting those new Sandisk Extreme for sure.
Slightly unrelated, but has anyone had any trouble with Sandisc Ultra (10) 64GB, I've owned 2, the first no longer works at all, the second quite often refuses to allow me to copy anything to it. Both are official, both purchased from different companies. Both tested in Galaxy s2 and S4 with same results. Both tried with fat32 and with exfat (on Pac rom which supports exfat). Also when removed from phone and plugged into pc directly, I can copy files across, as long as I don't copy too much at once or eventually it fails the copy and stops.
Anyone any similar experiences?
cartao de 64gb
vale a pena? fica rapido
Mine say 59.46 gigs
Sent from my SPH-L720 using xda app-developers app

64 gb sd card

Do you guys have any feedback on the SD card below? I was going to get a scandisk sdcard..but I have seen bad reviews that the sdcard is un-mounting on the S4. or do you guys recommend another sd card let me know.
http://www.amazon.com/Sony-microSDX...1386098187&sr=8-9&keywords=micro+sd+card+64gb
gordo80 said:
Do you guys have any feedback on the SD card below? I was going to get a scandisk sdcard..but I have seen bad reviews that the sdcard is un-mounting on the S4. or do you guys recommend another sd card let me know.
http://www.amazon.com/Sony-microSDX...1386098187&sr=8-9&keywords=micro+sd+card+64gb
Click to expand...
Click to collapse
Has xcellent reviews. Both Sony & Amazon will stand behind it. I got the Samsung one & it's perfectly flawless so far.
Sent from my Hyperdriven Dev Edition Vzw SCH-I545 with KT kernel using Tapatalk 4
I've had my samsung 64gb uhs1 for a week now. The kern that came with my rom didnt supoort exfat sd cards. So I flashed kt kernal and it works flawlessly. Stock kernal supports exfat btw.
Sent from my SGH-M919 using Tapatalk
As far as i am aware about that sd card, it should run flawless. I have one with the same specs, only it.s from Samsung. It.s even on sale the sd card, it would be a shame not to buy it. Have fun with it, and may you have no problems using it !
I have Scandisk extreme 64gb, I have had no issues with it its far quicker than any card our there as it reads and write 80mbs more costly than the rest but a massive thumbs up from me on this one
Sent from my GT-I9500 using XDA Premium 4 mobile app
The "unmounting SD card" problem has more to do with the kernel than anything else. I've had a SanDisk card and it's worked fine with the KT kernel -- so there's really no need to buy a Samsung card.
I started to buy one from Amazon on black Friday. I put it in my cart and forgot about it. Now the price has jumped back up. What a dummy.
I suggest that you get the SanDisk Ultra 64GB, lifetime warranty and no hassle using it.
I have the SanDisk Ultra 64GB and it works great in 4.2.2, but then with 4.3 and 4.4 I had to root the phone to modify platform.xml to allow apps to save files to the SD card. Works for me since I have the Google Play Edition and it's moderately easy to root the phone, but it still messes with over the air updates, so I can't say that I actually recommend anyone else doing the same, unless you like to tinker.
Hey MPCookson, could you give me some info on how you modified the xml to get the 64GB cards to work on 4.4 roms...ive searched and searched for methods to get this to work and have been unsuccessful with everything ive tried...reformatted the card to exfat, tried every 4.4 rom out there and cant get it to pick up my card...any insight would be VERY helpful!
gordo80 said:
Do you guys have any feedback on the SD card below? I was going to get a scandisk sdcard..but I have seen bad reviews that the sdcard is un-mounting on the S4. or do you guys recommend another sd card let me know.
http://www.amazon.com/Sony-microSDX...1386098187&sr=8-9&keywords=micro+sd+card+64gb
Click to expand...
Click to collapse
No unmounting problems with my 64GB Sandisk card here.
moejoe88 said:
I started to buy one from Amazon on black Friday. I put it in my cart and forgot about it. Now the price has jumped back up. What a dummy.
Click to expand...
Click to collapse
It's $35 now. Almost the same price when in Black Friday.
extrem0 said:
It's $35 now. Almost the same price when in Black Friday.
Click to expand...
Click to collapse
Thanks for the heads up on that.
The unmounting only happens if your kernal doesn't support exfat sd cards. Only fat32. Stock kernal and kt kernals support exfat that I know of but others like ptmr's doesn't. So it's not an sd card issue.
Sent from my SGH-M919 using Tapatalk
Brutal Pineapple said:
The unmounting only happens if your kernal doesn't support exfat sd cards. Only fat32. Stock kernal and kt kernals support exfat that I know of but others like ptmr's doesn't. So it's not an sd card issue.
Sent from my SGH-M919 using Tapatalk
Click to expand...
Click to collapse
Had a problem with a sandisk 32gb (1 year old). Was trying different formats fat32 / exfat with supported kernel. But then it started to get unexpectedly removed very frequently. Fortunately it seemed working good in other devices (pc, tablet). I backed up everything and started a RMA. They told my card was defective and accepted it as a damaged card (I tried to fix it formatting without success). I have read some bad reviews about sandisk cards but I think this issue was only affected by some batches. I really liked theirs RMA support and I bought a new one (64gb this time). Hope it lasts more than the other one.
moejoe88 said:
Thanks for the heads up on that.
Click to expand...
Click to collapse
You're welcome!

Here's how to configure adoptable storage on your S7 / S7 Edge

Finally there is a way to make this adaptable storage happen,
Here is the link
Modaco
ikm19 said:
Finally there is a way to make this adaptable storage happen,
Here is the link
Modaco
Click to expand...
Click to collapse
not working for me, at&t variant. my id shows 179,0, not 179:XXX.
That might be a blessing. My first question was going to be how much of a performance hit did you take? It would be nice to have the option though.
Curious what the performance hit is too.
the reason why it failed was cuz card is "too slow". using that sandisk 200gb card. i have a samsung 64gb pro + card in my g4, and apparently this also works for that too. tried it and success.
At least there is apparently still a safeguard to prevent most of the people crippling their phone with cheap SD cards. I hope that when Samsung adds this officially, it will limit it to at least UHS 1 U3 cards.
The whole phone memory will be only as fast as the SD inside
Gesendet von meinem SM-G935F mit Tapatalk
so if you get the 179,0 reading your saying that the SD Card is too slow to use as adaptable storage yeh?
zombie_uk said:
so if you get the 179,0 reading your saying that the SD Card is too slow to use as adaptable storage yeh?
Click to expand...
Click to collapse
It won't get that fast reads since it is limited to UHS-I so up to 90/MB reads/writes. Internal memory is in the 200 MB/s range so yes, it will be a huge downgrade if you use the adoptable storage.
I would like an answer for this: if I`m opening a file from sdcard (Samsung 32GB class10) and editi it, when I try to save it again, I can only do it on phone storage. Why? My sdcard it`s listed in storage like SD Card(7CD-1711)
Can someone explain, please, and tell me what to do so I will be able to save my files to sd card?
The Modaco method doesn`t work for my SM-G935F S7 Edge
Thanks in advance
I have been using this function with my 128gb Sandisk from day one.
I have moved most large apps to the SD card. In addition, I already have a part of my music collection on there as well. Have not noticed any slowdown whatsoever!
Riggster said:
That might be a blessing. My first question was going to be how much of a performance hit did you take? It would be nice to have the option though.
Click to expand...
Click to collapse
you take a hit. I did it on my m9, used class ten, 96 write speed. wasn't horrible on every process and app but the apps it did effect were very noticeable.
zombie_uk said:
so if you get the 179,0 reading your saying that the SD Card is too slow to use as adaptable storage yeh?
Click to expand...
Click to collapse
In the source link the syntax is different. You need to do it the same as YOUR card displays. I've done it with a 200gb card.
Sent from my SM-G935T using Tapatalk
Uea ibcan confirm i did 179,0 on my exynos s7 with a 64gb pro + and it worked fine.
mixxxk said:
the reason why it failed was cuz card is "too slow". using that sandisk 200gb card. i have a samsung 64gb pro + card in my g4, and apparently this also works for that too. tried it and success.
Click to expand...
Click to collapse
How you changed your fonts?
Sent from my SM-G935T using Tapatalk
That's a screenshot of my G4.
And when I did that it showed 179,64. As it was a 64 gb card. I didn't have any real world slowness, but if u run A1 bench tool and see the read/write differences, they definitely exist.
Today I purchased a 64 GB Samsung Pro+ (Plus) micro sd card. It says it has up to: 95 MB/s read & 90 MB/s write. I benched it at 50/40 today. I manually set the adoptable storage following the procedure outlined in the MoDaco post. I used the info returned by the command that tells you what is available to use as adoptable. It worked, but is also returning a wrong storage total (I believe that the reason for this is because the SD card basically gets filled with a file that can be encrypted, so the total amount of storage that your SD card has gets added to the storage total both as it's actual space and as the file size, this is a guess but seams somewhat plausible). I am getting 73.64 GB used out of 128 GB. I have 32 internal and 64 on the sd but only 59.14. So max is 96 but it says 128 total and a lot used.
I just done this looks like it worked with a sandisk 200gb memory card but if i install a app now where will it install?. And also whats the option under storage more and migrate data for? do we need to do that?
gaspir324 said:
It won't get that fast reads since it is limited to UHS-I so up to 90/MB reads/writes. Internal memory is in the 200 MB/s range so yes, it will be a huge downgrade if you use the adoptable storage.
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90MB/s is nice when talking about sequential reads, but most microsd cards are going to be around 10x slower than UFS in small random reads/writes, which is where most of your phones performance is going to come from in terms of storage IO.
I think doing this stops downloading certain apps can someone try amazon sholppig or netflix says its not compatable with your device since i done this adoptable storage.
jutley said:
I think doing this stops downloading certain apps can someone try amazon sholppig or netflix says its not compatable with your device since i done this adoptable storage.
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Mine still works to download and use amazon shopping. I also have Netflix installed and this also still works.
Mines a UK phone.

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