Samsung Galaxy Tab A SM-T550 and OTG - Samsung Galaxy Tab A series Questions & Answers

First of all, I'm from Spain so sorry in advance for my English.
A few weeks ago I received a couple of Samsung Galaxy Tab A SM-T550 brand new from Amazon.es to give them to my sons.
I already have a Galaxy Tab Pro 10.1" and used to watch, while traveling, a collection of MKV files from 1 to 10 gb size stored in a bunch of Samsung Evo's 64 Gb Micro SD's , to do so I have a OTG adapter to read the Micro SD's trough OTG micro USB.
Those cards are formatted in ExFAT due to the limitations of FAT32 for large files.
They work flawlessly in the Tab Pro (Stock 4.4.2) with MXPlayer and the proper codecs (also the AC3-DTS custom codec from XDA).
So I tried to configure my two Tab A to do the same, something that caught my attention was their behavior just out the box, one of them worked as expected with no problem but the other one refuses to read the Micro SD's and tells me to format the device because it's unreadable, I tried to use ES File Explorer Pro and when I try to access the USB it tells me that the program is only compatible with FAT32 and ExFAT, that means that it can see or access the Micro SD formatted in ExFAT.
After resetting to factory defaults a couple of times I keep looking for a reason for the different behavior of both identical tablets, except for the color.
Checked with the internal Micro SD slot and it worked with no problem.
At that time I realize what was the difference between both devices, while unpacking, one of my sons that already has an old tablet, put his Micro SD card with some content inside the tablet so we started doing some tests and realized that if you left the internal bay empty the OTG was used as expected, place the card inside the bay and the problems appear.
One of the S7's was replaced at the shop tree times because, when we show them the problem, the vendor tried to use the aforementioned cards with their showroom test units and, because those units are there to show the device to customers, usually they don't have SD cars in the internal bay, as a result their S7 works fine and mine doesn't so they gave me an other and so... tree times
I tried with a bunch of OTG adapters Micro SD cards and Pen Drives with same result...
We try to reproduce the issue with every Samsung device in the house:
Two S5 (Stock Kit Kat) updated to a Lollipop and then to Android 6.
Two tablets Galaxy Tab A with stock Marshmallow.
One A5 2016 (Stock Lollipop) updated to Android 6.
One Galaxy Tab Pro with stock 4.4.2
Two S7 (SM-G930F) with stock Marshmallow.
One S7 (SM-G935F) with stock Marshmallow.
My conclusion is that every device that came with Android 6 from the factory experienced the same behavior.
I want to show this problem to the community to find if other people can reproduce the same issue.
PS: I also tried to contact Samsung Support Chat, and you can't believe the copy & paste point less answers they post is amazing...

Nobody can reproduce this?

Urgonx said:
Nobody can reproduce this?
Click to expand...
Click to collapse
In the thread, you said the Galaxy Tab A's were Marshmallow right?
If you said it was Marshmallow on the two tablets, it's because of Google's new SD Card adoption. One of the two devices has adopted that SD Card as their internal storage probably.
If I helped, hit the Thanks button!

ParadoXGodzillA said:
In the thread, you said the Galaxy Tab A's were Marshmallow right?
If you said it was Marshmallow on the two tablets, it's because of Google's new SD Card adoption. One of the two devices has adopted that SD Card as their internal storage probably.
If I helped, hit the Thanks button!
Click to expand...
Click to collapse
No, just out the box, the only difference was the micro SD in the slot, as I've said, a couple of brand new S7's and one S7 Edge shows exactly the same behavior, moreover, as far as I know, after several errors and testing problems, Samsung have removed the "Google's new SD Card adoption" from their devices (is what I heard), I don't know if may be this situation is related to this policy.

Related

External MicroSD contents disappear!

Sorry if this topic has been covered, but I need a solution for this.
My 32GB Kingston Class 4 MicroSD get either partially wiped or totally wiped out when finishing a transfer och when transfer anything.
Anybody know what the cause may be? Its FAT32 so that is not the case.
Help will be greatly appreciated.
Cheers!
Possibly a bad card. I've run into several flaky 32gb micro-SD cards before, all from different manufacturers. They don't seem to be as reliable as the smaller ones. I would suggest removing the micro-SD card and reformatting it in a computer, PC or Mac. Make sure the allocation size is set to 32KB, and DON'T use quick format.
Alternatively, use SDFormatter to do the format. Then try again.
Just out of curiosity, what brand was that card?
Kingston 32 GB Class 4.
I dont believe its the card, I believe this is a software problem because I had similar problems with my previous 16 one and same thing happened a few times.
I formatted already will see how it works out.
iCurmudgeon said:
Possibly a bad card. I've run into several flaky 32gb micro-SD cards before, all from different manufacturers. They don't seem to be as reliable as the smaller ones. I would suggest removing the micro-SD card and reformatting it in a computer, PC or Mac. Make sure the allocation size is set to 32KB, and DON'T use quick format.
Alternatively, use SDFormatter to do the format. Then try again.
Just out of curiosity, what brand was that card?
Click to expand...
Click to collapse
Nope, everytime i put something new and restart the tablet the things i just transfered are gone!
i've had this issue with 2, 4, 16 and 32Gb cards on my archos 101, g-tablet and iconia. 3 different manufacturers, 3 different android variants (not included various updates and roms)
adding .nomedia in the directory seems to stop files from disappearing, but why are they disappearing in the 1st place?
godashram said:
i've had this issue with 2, 4, 16 and 32Gb cards on my archos 101, g-tablet and iconia. 3 different manufacturers, 3 different android variants (not included various updates and roms)
adding .nomedia in the directory seems to stop files from disappearing, but why are they disappearing in the 1st place?
Click to expand...
Click to collapse
Do you write a text file .nomedia with the txt in the end or without? And do place it in the root of the SD?
Well it seems that this is something that must be fixed quickly by Acer or someone...
Just name a file. No media and place it in directories that you don't want to loose.... or you can do apps like no media manager in the market
Sent from my A500 using Tapatalk
Have this same problem. Added the nomedia file but still losing data off the card after reboot. Funny thing is I have afile on the card that survives reboot, and I think it was there before the last update.
Hope this gets fixed with 3.1
peejayw said:
Have this same problem. Added the nomedia file but still losing data off the card after reboot. Funny thing is I have afile on the card that survives reboot, and I think it was there before the last update.
Hope this gets fixed with 3.1
Click to expand...
Click to collapse
That really sucks, that's exactly the same problem the system lets 'some' file be there while other gets erased.
May I ask the size of your MicroSD and brand?
All the best.
Ok guys I think i've fixed the problem!
I have a faint memory of my 16 GB having the same problem before i bricked it and fixed it.
But at the time I was so preoccupied with unbricking it that i didnt think of of any bugs before that.
So, what I just did about 30 min ago is the following, I reflashed the tablet with the same software that I used previously found on this thread: http://forum.xda-developers.com/showthread.php?t=1101859
And voila! I transfer stuff and restart and they are still there!
And another good thing is that all my stuff is still there, programs and emails.
Hope this helps anybody with this irritating problem.
We shouldnt have to do this everytime we change our External Memory card to a new or another. Hopefully the 3.1 update will fix this.
Dont forget to thank me!
Cheers!
Check that, problem is back.... fcuking hell... irritating...
Missing files?
Hi all.
Please post which version of the system build you are using if you are having this problem.
My Iconia is on 1.141.07 pushed by Acer last month. I have a Sandisk 16 gig and a Transend 32 gig external SD cards, and have had none of these problems, and I switch them back and forth quite often.
Also, I did a full format to Fat32 on the 16 gig, but didn't do anything to the 32 gig. In order to present this problem to Acer/Google we need as much specific data as possible to help them narrow down the culprit.
How many other people are having this problem?
kwparker80 said:
Hi all.
Please post which version of the system build you are using if you are having this problem.
My Iconia is on 1.141.07 pushed by Acer last month. I have a Sandisk 16 gig and a Transend 32 gig external SD cards, and have had none of these problems, and I switch them back and forth quite often.
Also, I did a full format to Fat32 on the 16 gig, but didn't do anything to the 32 gig. In order to present this problem to Acer/Google we need as much specific data as possible to help them narrow down the culprit.
How many other people are having this problem?
Click to expand...
Click to collapse
I have the same build as you 1.141.07
I've used Kingston 16 GB Class 4 and am now having trouble with my Kingston 32 GB Class 4
Hope we can get some help quick.
Cheers.
Same experience with a harddisk connected to the Acer. Some files disappeared and i'm sure not deleted them. Keep an eye on it by regulary syncing with a backup-drive. Is there a way to 'save remove' usb data devices like in windows. ?
Sent from my A500 using Tapatalk
This problem really sux ass... There must be SOMETHING that can be done to fix... I mean we are not talking about porting another UI for Gods sake...
Safely remove USB drive
urbie47 said:
Same experience with a harddisk connected to the Acer. Some files disappeared and i'm sure not deleted them. Keep an eye on it by regulary syncing with a backup-drive. Is there a way to 'save remove' usb data devices like in windows. ?
Sent from my A500 using Tapatalk
Click to expand...
Click to collapse
The only SURE way to safely remove a USB Drive from the Iconia is to power Down the tablet first.
Hey, you asked. Welcome to boot-up h-e-doublehockysticks.
Quick question..
Are the people having this problem using encription on your Tabs? I have read that strange things occur when encription is turned on.
If so, maybe turn it off and see what happens....
Just a thought.
Added: A fix for encription problems is supposed to be in the 3.1 update, by the way.
Im sorry for the nooby question, but what is encription?
I have a wintec filemate 16gb. While I haven't noticed this exact scenario, I have had files get currupted and later disappeared.
I transfered a bunch of pics and videos from a camera connected via USB to my micro sdcard. Later, I noticed that only 3 of the pics were viewable.. All the rest were there but gallery nor Astro would display them. I can't tell you if it was after a reboot or not that caused them to be currupted. But, they stayed there for weeks (countless reboots). Also, I never pulled the card out of the tablet.
Then one day, I noticed all the pictures (except those 3 good ones) were missing. Still had not ever removed the card.
I've connected several usb drives to the tablet, and never noticed files missing from them.
Not sure if this helps anyone, just wanted to add it to the knowledge base.
Encryption basically 'scrambles' the content on your storage device so it can't be read without authorization (password). It is commonly used for secure data transmission online, but you can go into Honeycomb settings and turn it on for you tablet.
NOT recommended until version 3.1 is released because of a few bugs.

Galaxy S3 exFAT support removed Build BVALF4

Hi Guys and Girls
Just a bit of info for any of those having problems with 32 or 64GB cards in their S3 post upgrade to
Baseband I9300BVLF2
Build IMM76D.I9300BVALF4
Basically after a week of speaking to Orange and then Samsung (Orange even sent me a new handset as they couldn't explain it) I've found out that Samsung in their Wisdom have removed ExFAT support from the new Firmware.
They are apparently looking into it but for now recomend formatting your card to FAT32 as this is still supported.
At work right now so haven't tried it myself but will as soon as I get in and post results (if anyone else can let us know)
What the hell are they thinking?!
This would be a dealbreaker for me. Its the only reason im not using cm10 yet.
We need to get away for this fat32 nonsense with its useless 4gb file size limit.
Sent from my GT-I9300 using xda premium
Is not LF4 rather old now ??
jje
JJEgan said:
Is not LF4 rather old now ??
jje
Click to expand...
Click to collapse
That'the one they have just released on Kies.
To be fair i though this issue was down to me rooting so will prob now root again now i know it's not that.
The guy at Samsung support said he couldn't understand why either but they have it as an action point to sort out as they were getting a lot of calls about it.
G3001 said:
That'the one they have just released on Kies.
There are later updates so i would check if the problem is still on later firmware .
You can always join XDA Developers and flash latest firmware .
jje
Click to expand...
Click to collapse
I'm using LG8 and it's fine on there.
Another accidental removal :silly: exFAT is accepted by pretty much everyone to be validly patented by Microsoft, so to ship it in the first place Samsung obviously had a licence.
Would ext4 work? I know it'd be a pain to format to with Windows or Mac, but gets around 4GB file limit.
When connected in MTP mode the phone should do the "translation" so the desktop OS wouldn't need to handle the filesystem (I think, but I could be wrong). Doubt there's much danger of ext* support disappearing.
I just registered to say this but I'm also in the same boat. I noticed that orange had modified the ICS firmware to remove the update so while I was in London I went into the Samsung store in the Olympic park. I told them the situation and they said they could update the firmware there and then, 2 hours later after I left with a phone that no longer supported my 64GB microSD card and my widgets still popped in on the phone.
I was wondering if I could get an opinion on whether I should roll back the firmware by flashing the phone or try and complain to orange and get a new handset (although it's past their grace period and are unlikely to do so). Just to reiterate stay away from the Samsung store in Olympic park, all but one of the staff where extremely un-organised, dim witted and more interested in looting freebies from the store than actually helping me.
I would also consider using a custom ROM but as this is a relatively new device I'm unsure if this would be best suited to getting the best out of my phone.
Any suggestions would be greatly appreciated.
Ok, I'm now on the VLG1 official Orange firmware and I re-formatted my 64GB SanDisk SDXC card as exFAT, put all my stuff back on (including a new .mkv over 4GB just to test) and it now works perfectly in my S3 (the 5.5GB mkv files plays fine, but with no audio although since it's a DTS audio codec used in the movie, I suspect this is a different issue).
So it seems they re-enabled exFAT support in VLG1...
Could someone tell me if exfat works in a S3 with I9300UBLG2?
Well, it does "work", but it's nowhere near reliable.
So far, my experience with exfat has been awful with Sandisk's 64GB SDXC card. There were some serious issues with a lot of music files that weren't visible to the phone. The files were copied ok in there when I used my SD card adapter and the total filesize matched perfectly to the original folder that I copied them from. So, when I inserted that card into my phone, I was suddenly unable see more than 70% of the files. I repeated the copying proccess few times and the result was exactly same every time: same files ended up missing in my phone.
I was also quite surprised when I replugged the card into my sdcard adapter: those same files were now missing from the card in my pc too. The card however did report exactly same amount of available space that it did when I first copied the files. When I tried to copy those missing files again on my card, it asked me whether I would like to overwrite those files? But those files can't be there since none of my devices see them!
After doing some research, I found out that this is actually a known problem, at least with Samsung's phones, and that those files weren't actually missing. They are still there, but something on Sammy's firmware is breaking something with a certain filenames/folder structures and makes them seem like they don't exists at all. At this point I just gave up and reformated my sdcard into fat32 with fat32format (the default Windows format program doesn't format cards with that size as fat32), copied my files again and now my phone was also able to see all my files.
So no, I wouldn't recommend using exfat with Samsung's phones since their implementation seems to be somewhat broken and due to the fact that CM10 wouldn't work with it anyway if I would eventually decide to move on it.
Well, it does "work", but it's nowhere near reliable.
So far, my experience with exfat has been awful with Sandisk's 64GB SDXC card. There were some serious issues with a lot of music files that weren't visible to the phone. The files were copied ok in there when I used my SD card adapter and the total filesize matched perfectly to the original folder that I copied them from. So, when I inserted that card into my phone, I was suddenly unable see more than 70% of the files. I repeated the copying proccess few times and the result was exactly same every time: same files ended up missing in my phone.
I was also quite surprised when I replugged the card into my sdcard adapter: those same files were now missing from the card in my pc too. The card however did report exactly same amount of available space that it did when I first copied the files. When I tried to copy those missing files again on my card, it asked me whether I would like to overwrite those files? But those files can't be there since none of my devices see them!
After doing some research, I found out that this is actually a known problem, at least with Samsung's phones, and that those files weren't actually missing. They are still there, but something on Sammy's firmware is breaking something with a certain filenames/folder structures and makes them seem like they don't exists at all. At this point I just gave up and reformated my sdcard into fat32 with fat32format (the default Windows format program doesn't format cards with that size as fat32), copied my files again and now my phone was also able to see all my files.
So no, I wouldn't recommend using exfat with Samsung's phones since their implementation seems to be somewhat broken and due to the fact that CM10 wouldn't work with it anyway if I would eventually decide to move on it.
Click to expand...
Click to collapse
I purchased my S3 because of Exfat support and have used an genuine Sandisk 64GB SDXC card in it for a long time now; I've have had zero problems with missing files, are you sure your adapter isn't faulty?
I know that after upgrading the firmware, Samsung removes/messed with the exfat support. So I'd like to know which firmwares have support to exfat.
The S3 I have is UBLG2 and I'm intended to buy a micro SD 64gb class 10 (or class 6).
No fat32 'cause I have files bigger than 4gb
coolbastard said:
I know that after upgrading the firmware, Samsung removes/messed with the exfat support. So I'd like to know which firmwares have support to exfat.
The S3 I have is UBLG2 and I'm intended to buy a micro SD 64gb class 10 (or class 6).
No fat32 'cause I have files bigger than 4gb
Click to expand...
Click to collapse
It works with most new firmwares, so don't worry.
Skander1998 said:
It works with most new firmwares, so don't worry.
Click to expand...
Click to collapse
What does mean "most" ? does it work on official JB ?
it does

[Q] Question on Sandisk Ultra Class-10 64GB microSDXC

I have some questions to pose regarding the Sandisk Ultra 64GB Class 10 microSDXC.
I bought it about a month ago, and when i first put it into my Samsung Galaxy S4 GT-I9505, it didn't read anywhere near 64GB. Hence, i formatted the new microSD with Samsung's format option, and it showed 59.48GB. Worked perfectly from there.
However, i find the default file system of the microSD card really slow in transferring files when i connect my phone to the PC via USB, with the microSD mounted on my phone. I have a Kingston microSD reader, so i used it to connect my microSD to the PC, and tried to wipe and format it to FAT32. After doing so, the storage size became like 27GB. Is there a way to make my microSD running FAT32 system and get it to work on both my PC and phone without any problems with the size?
Anyway, i formatted the microSD again with Samsung's format option, and it went back to normal 59.48GB. However, i used my microSD reader to connect it to the PC, and it couldn't read the microSD card. It prompts me to format it. Is it because my microSD reader does not work with microSDHX cards? Or is it because my Windows PC cannot read the microSD's file system?
Hope someone has an answer, thanks.
P.S I posted this as a reply to an old thread, but realised it was in the Galaxy S3 forum, so i figured i'll post it here.
So you could use the memory card in your card reader after formatting the card as FAT32?
What OS are you running on your PC? If it's Windows XP, support for exFAT needs to be added. You can find more on this here: http://support.microsoft.com/kb/955704
Same problem here.samsung micro sdhc 64gb card with windows 7 and 8.my computer only recognises my card after formating on windows and the storage size goes down to only 30.5 GB.any solution?
Sent from my GT-I9500 using Xparent Cyan Tapatalk 2
paradise220 said:
Same problem here.samsung micro sdhc 64gb card with windows 7 and 8.my computer only recognises my card after formating on windows and the storage size goes down to only 30.5 GB.any solution?
Sent from my GT-I9500 using Xparent Cyan Tapatalk 2
Click to expand...
Click to collapse
Format it as ExFat from PC link ...
paradise220 said:
Same problem here.samsung micro sdhc 64gb card with windows 7 and 8.my computer only recognises my card after formating on windows and the storage size goes down to only 30.5 GB.any solution?
Sent from my GT-I9500 using Xparent Cyan Tapatalk 2
Click to expand...
Click to collapse
Make a low level format.
utilities for that can be found on google..
worktorest said:
I have some questions to pose regarding the Sandisk Ultra 64GB Class 10 microSDXC.
I bought it about a month ago, and when i first put it into my Samsung Galaxy S4 GT-I9505, it didn't read anywhere near 64GB. Hence, i formatted the new microSD with Samsung's format option, and it showed 59.48GB. Worked perfectly from there.
However, i find the default file system of the microSD card really slow in transferring files when i connect my phone to the PC via USB, with the microSD mounted on my phone. I have a Kingston microSD reader, so i used it to connect my microSD to the PC, and tried to wipe and format it to FAT32. After doing so, the storage size became like 27GB. Is there a way to make my microSD running FAT32 system and get it to work on both my PC and phone without any problems with the size?
Anyway, i formatted the microSD again with Samsung's format option, and it went back to normal 59.48GB. However, i used my microSD reader to connect it to the PC, and it couldn't read the microSD card. It prompts me to format it. Is it because my microSD reader does not work with microSDHX cards? Or is it because my Windows PC cannot read the microSD's file system?
Hope someone has an answer, thanks.
P.S I posted this as a reply to an old thread, but realised it was in the Galaxy S3 forum, so i figured i'll post it here.
Click to expand...
Click to collapse
use a program such as H2testw to see if your microsd card is fake or defective . You can get it from here or google it .
paradise220 said:
Same problem here.samsung micro sdhc 64gb card with windows 7 and 8.my computer only recognises my card after formating on windows and the storage size goes down to only 30.5 GB.any solution?
Sent from my GT-I9500 using Xparent Cyan Tapatalk 2
Click to expand...
Click to collapse
I found the solution. The Kingston USB reader that i used is actually not compatible with my Sandisk MicroSDXC. That's the reason it couldn't read my microSD when i connected it to the PC. I used the SD card adapter that came with the microSD on a newer laptop which has the port, and it read my card perfectly.
Anyway, i ended up putting my microSD back to my phone and formatting it using the Samsung option. Then, i used a program to format the microSD to FAT32, which i don't think is actually necessary as there wasn't any reading/writing speed difference when it came to transferring files.
Cheers.
Micro SDHC 64GB 10 Series
I wonder if someone can help me.
I purchased a Micro SDHC 64GB 10 Series memory card on Ebay - Brand new.
When I opened the packaging, the card first asked me to format the card fr use. At first, The SDHC card worked fine.
But now when I attempt to use it via laptop, The SDHC card doesn't show up on "My Computer"
It's like the card isn't reading at all..
Any suggestions?
Thanks in advance
Using Official Windows 8
Using Multi-Card Reader - SDHC support
CaptainPorkie23 said:
I wonder if someone can help me.
I purchased a Micro SDHC 64GB 10 Series memory card on Ebay - Brand new.
When I opened the packaging, the card first asked me to format the card fr use. At first, The SDHC card worked fine.
But now when I attempt to use it via laptop, The SDHC card doesn't show up on "My Computer"
It's like the card isn't reading at all..
Any suggestions?
Thanks in advance
Using Official Windows 8
Using Multi-Card Reader - SDHC support
Click to expand...
Click to collapse
I've been playing with Windows since Android's grandfather was a tadpole, so in a combination of research and personal expertise I present the following advice...
DO NOT install a SD of a Class other than what is listed in our phone's Hardware Compatibility List - they being a Class 10 MicroSD, MicroSDHC and MicroSDXC - beyond that of 32GB, as you're only looking for trouble. Sometimes bigger is not necessarily better - just ask the people who knew the man that ate himself to death. NAND technologies are getting better by the day, but unfortunately devices grow increasingly incompatible with newer variants of MicroSD's simply because of the changes made within the firmware of the NAND controller. By changing Class outside of the scope of our phone's capability, problems can arise. Kind of like having a PC and trying to use a SATA-M drive on it. Unless you've got the physical hardware and device drivers installed, you can't expect it to work properly, same as throwing a SATA3 drive on a SATA2 port and expecting it to transfer data at over 3Gbps. If you find you are so desperate that you just can't do without having a 64GB card installed, go to eBay and grab yourself a Genuine Samsung 64GB 'Evo' Class 10 MicroSDXC. They are the fastest and highest capacity MicroSD our device will be friendly with (due to NAND controller compatibility) and at the moment they're going for good prices. Once you get it, Format the thing on your phone first, according to Samsung's instructions for installing the card. You'll then have a bit less than 60GB of storage space, along with Samsung backup if something does go wrong, simply because you're running a Samsung card in a Samsung phone. Trust me, its a great combination, proven by the fact my Samsung laptop runs like a dream on the Samsung 840Pro series SSD it has in it's belly...
djshotty said:
I've been playing with Windows since Android's grandfather was a tadpole, so in a combination of research and personal expertise I present the following advice...
DO NOT install a SD of a Class other than what is listed in our phone's Hardware Compatibility List - they being a Class 10 MicroSD, MicroSDHC and MicroSDXC - beyond that of 32GB, as you're only looking for trouble. Sometimes bigger is not necessarily better - just ask the people who knew the man that ate himself to death. NAND technologies are getting better by the day, but unfortunately devices grow increasingly incompatible with newer variants of MicroSD's simply because of the changes made within the firmware of the NAND controller. By changing Class outside of the scope of our phone's capability, problems can arise. Kind of like having a PC and trying to use a SATA-M drive on it. Unless you've got the physical hardware and device drivers installed, you can't expect it to work properly, same as throwing a SATA3 drive on a SATA2 port and expecting it to transfer data at over 3Gbps. If you find you are so desperate that you just can't do without having a 64GB card installed, go to eBay and grab yourself a Genuine Samsung 64GB 'Evo' Class 10 MicroSDXC. They are the fastest and highest capacity MicroSD our device will be friendly with (due to NAND controller compatibility) and at the moment they're going for good prices. Once you get it, Format the thing on your phone first, according to Samsung's instructions for installing the card. You'll then have a bit less than 60GB of storage space, along with Samsung backup if something does go wrong, simply because you're running a Samsung card in a Samsung phone. Trust me, its a great combination, proven by the fact my Samsung laptop runs like a dream on the Samsung 840Pro series SSD it has in it's belly...
Click to expand...
Click to collapse
Good advice but I guess I'm just glad my 64gb card has been serving me well. [emoji41]

Under Marshmallow, can the entire external SD card be made writable?

Under Marshmallow, can the entire external SD card be made writable? I have a SM-T530NU, installed CM13, and made the external SD into internal storage. I would like to copy stuff onto the device, but it seems I can't do it via USB connection to me PC or via ftp.
I tried setting the external SD up as being used for sharing media, but 6.0.1 assigns a wonky drive ID, and the thing is readable but not writable.
Are there work-arounds for these problems?
Make the external portable, not internal, and everything works like normal. That's been my experience (SM-T530NU on CM13)
Also, completely unrelated, New Englander here, I was absolutely floored the first time I visited the beautiful city of Albuquerque. Such natural beauty is completely absent from my area of the country, I enjoy every second of New Mexico I get to experience (dad's got a lot of business trips there). Not saying there aren't beautiful parts here in the northeast but it's utterly different there. Although your squirrels are kind of funny looking lol
Is Huawei suport marshmallow6.0 ?
If yes
Then how can i upgrade my device?
Arshan khan said:
Is Huawei suport marshmallow6.0 ?
If yes
Then how can i upgrade my device?
Click to expand...
Click to collapse
You have to check the forum for your specific device. This forum is for the Samsung Galaxy Tab 4. If there's someone who can answer your question, it's a good bet they're not hanging out on this forum
Ok thankzz

SD card issues

My Yoga Book always says that my SD card is missing and I need to reinstall it. I install it as part of the internal storage, this might be the issue. I have gone through three different brands, Samsung microsd card does not work at all for me. Simply will not read, says it is incompatible. The other two work for about a couple hours but then I will reboot and sudenly it will not read and say it is not inserted, when it is. So frustrating. Also when the microsd card is unreadable, I have the second issue of the Book not coming back on after it sleeps or when the screen times out. To get the screen to come back on I have to take out the microsd card and the screen will come right on, but than says " the is no sd card, please insert." Any one else having this issue? I really want to like this little machine but it seems REALLY underbaked.
I have an idea of what is happening with my cards. I have a very good Samsung microsd but the machine first said "This card is too slow" !!! I set up the microsd card as "internal" storage not media storage. Well, the Book formats the card, uses it but on reboot it looses the card and says the card is either "not in" or, the card is "not compatible". So I try to reformat but the Book will not format it and neither will my PC or any other device. I keep getting that the micro sd card is now "write protected" or "cannot format raw data", so now I have two expensive micro sd cards that are completely useless and I am very very upset. I have one other card I can try to use in the Book and format it as "media" instead of "internal" but Im afraid it might raw format it too and Im stuck. AAARRGGHH. Any ideas on how to re-format these micro sd cards?
Hi! Any update regarding the issue? Would be really glad to know if you have resolved it as I am currently experiencing something similar with my Yoga Book (Windows). I have a 128GB microsd and sometimes it suddenly stops recognising it. I've never had the too slow error though. My card was formatted using NTFS.
Wondering whether the card tray design is bad, and if the card gets displaced when moving around. I'll try another card, and will update this post later.
Android must be formatted to fat32, although the best way is to format it in a Android device like your phone if needed. Not sure about your other issues. Is there an update from Lenovo maybe. My card reader is just fine. #knockonwood
31stfreak said:
Hi! Any update regarding the issue? Would be really glad to know if you have resolved it as I am currently experiencing something similar with my Yoga Book (Windows). I have a 128GB microsd and sometimes it suddenly stops recognising it. I've never had the too slow error though. My card was formatted using NTFS.
Wondering whether the card tray design is bad, and if the card gets displaced when moving around. I'll try another card, and will update this post later.
Click to expand...
Click to collapse
Sadly I ended up buying a new microsd card. My two cards that I started with are still un accessible and useless. I format it to Fat32 and inserted into the YogaBook and designated the card as media. It's been working great ever since. Still annoyed that I am out $100 worth of micro SD cards
Good luck to you. I have the Android version.
brie987 said:
Sadly I ended up buying a new microsd card. My two cards that I started with are still un accessible and useless. I format it to Fat32 and inserted into the YogaBook and designated the card as media. It's been working great ever since. Still annoyed that I am out $100 worth of micro SD cards
Good luck to you. I have the Android version.
Click to expand...
Click to collapse
Hi! (In my case) I think it was due to the "thickness" or dimensions of the microSD. I had one that was slightly thicker than the original card I was using for the Yoga Book. I swapped them, and haven't had any problem since then. Sorry to hear that you had to shell out another $100. That really sucks. Mine was sheer luck. (Thanks to the added "chunk.")
Hope this bit of info will be useful for other YB owners.
Unfortunately I can confirm that ;/
In my case I observed the same...
I have a model with windows. It's EXTREMELY slow! Generally, no just the SD card. Almost impossible to work on it. Lenovo sucks!
According to the SC slot I've tried many different SD cards and always the same... Time of copying 2GB file, calculated by windows, about 672 hours... Only...
This is my second computer from Lenovo, and the last one.
If you're migrating files, try doing small amounts and copy not cut and paste. Otherwise just take the card out and do it on a more robust pc.
dr_harnas said:
In my case I observed the same...
I have a model with windows. It's EXTREMELY slow! Generally, no just the SD card. Almost impossible to work on it. Lenovo sucks!
According to the SC slot I've tried many different SD cards and always the same... Time of copying 2GB file, calculated by windows, about 672 hours... Only...
This is my second computer from Lenovo, and the last one.
Click to expand...
Click to collapse
I'm using an SD card and it seems to be running fine. Are you using it for something that needs regular access to your SD card? Like, installing Windows or a program on it? Because that will make transferring to and from the SD card very slow, or at least a lot slower than what it would usually be. The technology in the Yoga Book's SD card slot is old, so it can't handle stressful situations.
Hi, Thanks for your answers,
My main HD has 64GB, its not a lot of, so I thought about changing location of My Documents and all my files on the SD card. But after setting of paths to SD the computer froze due to it couldn't read SD fast enough.
So, I decided to move my personal folders back and tried to move files manually.
But the situation is the same :/
Don't you think that transferring of files on the another computer to SD card has no sens??
It is needed for me to move files from YB to another computer, so while I can't do it than the SD slot and whole Yoga Book is totally useless for me.
Do you think, guys, that it is possible to install Android on it?? There is a possibility to boot from the external USB-CD or just USB, but I couldn't find the Android version for YB.
Maybe with Android it will work??
Did someone of you tried to do it??
Thanks
dr_harnas said:
Hi, Thanks for your answers,
My main HD has 64GB, its not a lot of, so I thought about changing location of My Documents and all my files on the SD card. But after setting of paths to SD the computer froze due to it couldn't read SD fast enough.
So, I decided to move my personal folders back and tried to move files manually.
But the situation is the same :/
Don't you think that transferring of files on the another computer to SD card has no sens??
It is needed for me to move files from YB to another computer, so while I can't do it than the SD slot and whole Yoga Book is totally useless for me.
Do you think, guys, that it is possible to install Android on it?? There is a possibility to boot from the external USB-CD or just USB, but I couldn't find the Android version for YB.
Maybe with Android it will work??
Did someone of you tried to do it??
Thanks
Click to expand...
Click to collapse
I did delete Windows 10 and try install Android, however, I was not successful in getting it usable. So right now, Android is a no-go for those who have the Windows 10 version (although, you can install emulators that allow you to run Android apps). I usually try to minimise how many things I have on my Yoga Book - keeping apps to a minimum, and I've got my Downloads and Documents on my SD card and it's fine. Maybe your SD card is an old one?
Believe me, I've tried all possibilities, which came to my head
I bought three different SD cards (actually I have SanDisk Extreme microSDXC UHS-II, 128GB, formated in exFat) and nothing.
I tried also to run linux, and I noticed a small difference in relation to Win10, that in linux the copying process is pending all the time, while Win10 is breaking the process every time and ordering me remove the write protection.
Hi guys,
I found a solution!!!
I don't know why, but I created two 64GB partitions (almost, just 50% and 50%) on the card and formatted as a fat32 and.... Suddenly it works!
Thanks for your attention!
Has anyone tried the 200GB or 265GB micro SD cards yet? google search seems indicate that it might work but not able to get any concrete proof.
Sent from my Lenovo YB1-X90F using Tapatalk
Yes, I use a Samsung 256GB micro SD card fine in my YB. Insert it and format it using the YB and it'll format it as FAT32. Only problem with that is I need to convert/compress my larger than 4GB movie files to something smaller.
thanks to PPC_Ed's confirmation, I ordered a 200GB drive and was able to get it working on my Yoga Book Android.
512GB SD card
Grooby97 said:
Has anyone tried the 200GB or 265GB micro SD cards yet? google search seems indicate that it might work but not able to get any concrete proof.
Sent from my Lenovo YB1-X90F using Tapatalk
Click to expand...
Click to collapse
I bought a cheap 512GB sd card on eBay for less than $12 from China. I have stored tons of stuff on it. Downloaded a 1080p movie onto it using the adapter on my laptop and the lap top wanted to fix issues. It did, and everything still is fine. It actually might not be 512gb, but I have more than 200gb on it and it works fine - no speed issues at all. Android still reports 512gb total capacity (499 gb). I couldn't be happier with the $12 spent.

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