Database Users

USB on the go questions

Hi just got my new nexus 7 and it's awesome but I got storage question.
I got the 32 gig and try to add some video s only to find that I quickly filled the damn thing. So I guess that I do need the USB otg, I have a 32 gig micro sd card and was thinking about buying a 64 gig card on cyber Monday.
So I have two questions:
Is there a difference in speeds between USB micro sd card readers?
Will the USB micro SD card reader limit the speed of the class 10 card?
Sent from my Nexus 7 using xda app-developers app

androidG said:
Hi just got my new nexus 7 and it's awesome but I got storage question.
I got the 32 gig and try to add some video s only to find that I quickly filled the damn thing. So I guess that I do need the USB otg, I have a 32 gig micro sd card and was thinking about buying a 64 gig card on cyber Monday.
So I have two questions:
Is there a difference in speeds between USB micro sd card readers?
Will the USB micro SD card reader limit the speed of the class 10 card?
Click to expand...
Click to collapse
hello mate, the speed is in the card not reader, use a class 10 card and that is all the speed you need otherwise the readers are pretty much all the same.

I am fairly sure the card reader itself has to support class10 (I suspect all modern ones do), and there is still the problem of the slowest part will still be the USB connection between card reader and the Nexus 7 - which is USB 2.0 (?) - although I'm not sure if class10 would saturate a USB 2 connection.
I would also try and get a mains powered one, not a USB powered one. I have 2 here and the USB powered one, with a wireless keyboard+mouse (Logitech MK520), + PS2 Joypad wired does cause a random reboot problem at times - possibly due to lack of USB power.
My mains powered hub is a cheap Xenta hub I got from Ebuyer and works a treat.

JohnRM said:
I am fairly sure the card reader itself has to support class10 (I suspect all modern ones do), and there is still the problem of the slowest part will still be the USB connection between card reader and the Nexus 7 - which is USB 2.0 (?) - although I'm not sure if class10 would saturate a USB 2 connection.
I would also try and get a mains powered one, not a USB powered one. I have 2 here and the USB powered one, with a wireless keyboard+mouse (Logitech MK520), + PS2 Joypad wired does cause a random reboot problem at times - possibly due to lack of USB power.
My mains powered hub is a cheap Xenta hub I got from Ebuyer and works a treat.
Click to expand...
Click to collapse
yeah I though about that but I will mostly be using this at the university and during rides and having an external hard drive kind of ruins the portability of a tablet and makes my laptop a better choice, but I want to play with my new toy!!!
I looked around the internet and from what I read is that usb 2.0 can go up to 37mb/s and even the SanDisk Ultra 64 GB MicroSDXC Class 10 UHS-1 Memory Card tops out at 30mb/s. however the microsd card reader can very in compatibility from just microsd to sdhc all the way up to sdxc so even though you dont need usb 3.0 for speed the only card readers Ive seen that support sdxc is the usb 3.0 ones (if you use any that don't know let me know. SDXC is the only format that can go above 32gigs
I think I'm going to go with Kingston MobileLite G3 Card reader i read this review legitreviews com/article/1977/1/ H
its pretty cheap and and I guess future proof.

Question about Keyboards
JohnRM said:
I am fairly sure the card reader itself has to support class10 (I suspect all modern ones do), and there is still the problem of the slowest part will still be the USB connection between card reader and the Nexus 7 - which is USB 2.0 (?) - although I'm not sure if class10 would saturate a USB 2 connection.
I would also try and get a mains powered one, not a USB powered one. I have 2 here and the USB powered one, with a wireless keyboard+mouse (Logitech MK520), + PS2 Joypad wired does cause a random reboot problem at times - possibly due to lack of USB power.
My mains powered hub is a cheap Xenta hub I got from Ebuyer and works a treat.
Click to expand...
Click to collapse
How well do keyboards work on the Nexus? And do standard shortcuts like copy/paste work as their normal shortcut keys?

How well do keyboards work on the Nexus? And do standard shortcuts like copy/paste work as their normal shortcut keys?
Click to expand...
Click to collapse
From my own testing, wired keyboards work best, just plug in and away you go. Wireless, I assume, will need Android to support the wireless adapter. I have the Logitech MK520, and the god-awful Microsoft Ergonomic 7000, and both worked fine with both the Keyboard and Mouse working well in Android 4.2. I also have a cheap USB mini keyboard I got from Amazon here,
http://www.amazon.co.uk/Leather-Keyboard-Compatible-Blackberry-PlayBook/dp/B008QBFFR8/ref=pd_ybh_2
Awkward because of the keyboard's cable + OTG cable sticking out, but it worked surprisingly well.
Just for completeness, I also tested a Xbox 1 & 2 wired Joypad, a Xbox Arcade Joystick, and a PS2 Wired Dualshock2, all worked well, especially in emulators that had hardware joystick options.
In the week I intend testing a couple of wireless adapters to try and better my internet connection from sat in bed - The router is located at the far side of the house and only gives me 2 bars.
Hope that helps.
Edit - Bloody Capchas. How long does this go on for ?

Instead of editing my post I thought I would post this to hopefully help anyone who is thinking of getting a OTG cable + keyboard + USB Hub.
This may have been my device, Android 4.2, a combination of my hub + keyboard + non-rooted Nexus 7, who knows, but I can reproduce this fairly easy.
Lets take a similar situation to what happened to me. I popped the Nexus in the wallet, connected up the keyboard, took it round a mate's house and showed him a 7" tablet and how it works. We surfed the net using the keyboard for typing websites, searches, forum posting. etc... I then went home, device is switched off with everything still plugged in. I unplugged the keyboard, took the nexus out of the wallet/case and switched it on but it didn't come on and I honestly thought I had bricked the device, or the USB port overloaded or shorted. Googled the problem and it turned out a few had similar problems and the answer was to hold down the power switch for 10, 15, 20, 30 seconds until you see the Google logo, the Nexus will then boot up.
Now I can reproduce this just like the above. For example, sit in bed, type this reply out on the keyboard, switch off the device, go and make a coffee, come back and switch on the device with everything unplugged and the Nexus will not switch on. No idea why, but every time I have to hold down the power button for at least 15-20 seconds. If I just switch back on the Nexus with the keyboard still plugged in then it works fine.
Now, thanks to someone on this board, I have now done a few backups of my device including the SDCARD, so I might unlock it + root it then try it again with the Nexus wiped clean and see if it still doesn't come on.
Like I said, it could be some bizarre hardware + software combo, or just hardware including hub, but I thought I would post this incase someone here switches on their device and it too doesn't come on.

[Q] USB OTG 8Gb & 16Gb

Hi guys,
I've searched and cannot find anything,
I have recently become the owner of the LG G2 (Great machine) And I purchased an external USB OTG device that allows
me to plug in external USB drives.
The 8Gb that came with it works fine (Small thumb-drive style)
The 16Gb (same small style, Kingston DT Micro).
The 16Gb Kingston reads fine in PC but does nothing in the OTG.
Both are formatted to FAT32....
Have I done something stupid or missed something obvious.
any help would be most appreciated.
Regards,
JW

Johnny_w said:
Hi guys,
I've searched and cannot find anything,
I have recently become the owner of the LG G2 (Great machine) And I purchased an external USB OTG device that allows
me to plug in external USB drives.
The 8Gb that came with it works fine (Small thumb-drive style)
The 16Gb (same small style, Kingston DT Micro).
The 16Gb Kingston reads fine in PC but does nothing in the OTG.
Both are formatted to FAT32....
Have I done something stupid or missed something obvious.
any help would be most appreciated.
Regards,
JW
Click to expand...
Click to collapse
I have the 16GB type exactly this one, works fine. No problems whatsoever. Well its incredibly slow in this age... I like my meenova with 32GB SD better .
Either you have done something wrong in the FS. Try again to format it to FAT32 then. Not sure what stock supports, try also exFAT or NTFS. Also try to jiggle it? More times inside outside, inside outside.
Or the drive is bugged. Does it work normally everywhere? Try to copy data on it.
EDIT: Also remembered I do have 2 OTG cables, and with one of those, the drive needed some persuasion.

Thanks Pagot.
The 16Gb USB works in everything *except* the G2.
Other 16Gb larger usb drives work in the G2.
So I have no idea!!!!
I've formatted the original 16Gb card to everything and it's mum and nothing. Oh well - I'll just get another one as I'm out of ideas.
Thanks for your help
JW

Connecting to drives larger than 32GB

heya...
Not sure if this is the right place to list this, but....
I found a tool that formats any drive larger than 32gb to fat32.
With it I formatted a 1TB hdd in an external, self powered enclosure and connected it to the tablet.
Holy crap it worked like a charm
The tool is called FAT32 Format...google it its free

Yeah. I was pleased to see the USB 3.0 hard drive charger cable port.

Nice find......that really opens up the possibilities.....with a hard drive that stores the stuff on my mac....I can actually use the pro as my main device. I have a 500GB laying on the shelf to play with.
Can you confirm that any pics would show in the gallery?

You can do this from diskpart too (built in Windows tool). Use the FS=FAT32 option.
http://blog.powerbiz.net.au/fixes/using-diskpart-to-create-a-bootable-usb-of-windows-8/

I seem to remember some of the later Samsung devices have exFAT support. It does not have the max 4GB size per file limitation associated with FAT32.
Not sure about the Note Pro though
Sent from my GT-N7000 using Tapatalk

Can you give some more details. I want to connect a powered 3.0 hub to my 12.2 with an osg to 3.0 usb adapter so that I can use an external (non powered) hdd. I'd also like to try an external dvd drive.
Thanks

I used an OTG cable and plugged in my 500 MB external to it, no problem, no formatting. Do some need to be formatted to work?

500gb passport HDD not recognized in MOJO

I bought a 500gb WD My Passport drive recently, and it works fine in Windows, but I cannot get it to show up in MOJO. It was NTFS, so I tried changing to FAT32, and it's still not showing up, despite my 32gb Micro SD card being FAT32 and showing up in MOJO. I played around with a few programs that were supposed to mount the HDD, but I still didn't see it under storage, and couldn't find it in ES File Manager. If it helps, I have been plugging it into one of the front USB ports. I figured maybe it needs to be in the back, but it works fine in the front with Windows. Is there a mode that works better with MOJO than FAT32?
Edit: The only thing I need it for is to hold my roms for use with my emulators. And maybe some music videos

Based on my experience, the HDD only work in the 3.0 USB slot.

Thanks, that did the trick. Now I can use my 32gb Micro SD for my Android handheld I bought recently while I use the 500gb hard drive for my MOJO

Just ordered my shield and accessories have a few questions. PLEASE HELP!

So I just ordered my shield, remote, and micro sd. I'm really curious as to if I made a good combination of hardware. I picked up the 16gb version, nvidia remote, and the new fastest sandisk Mico sd. Here's my questions.
-I got the brand new sandisk uhs-ii u3 micro sd, I know the bus speed for micro SD on the shield is only rated uhs-1. Can I format it as adoptable storage using the USB 3.0 adapter so I can get the high speed the card is rated for or will I have to use the micro SD slot for adoptable storage and have my card speed throttled to the slower r/w bus speed. If this is the case should I have opted for a uhs-1 card for half the price
-I also have a USB 3.0 4TB external hard drive full of movies that I currently plug into my LG TV. It is formatted NTFS, will I be able to plug it into my shield and use it as my new media player since the one on my TV is kinda clunky. Can I read and write to NTFS on my shield?
- I also have an Samsung 840pro 250GB SSD in a USB 3.0 enclosure which is formatted exfat. Could this drive be used as adoptable storage via USB 3.0? Pretty much the same as question 1. Can adoptable storage be configured threw USB instead of micro SD, if this is the case do I really need the Micro SD card?
- Will a USB 3.0 hub work on the shield so I can plug in a dongle for a wireless keyboard, my 4TB drive, my SSD, and Micro SD in 3.0 adapter?
- Are the gaming controllers and remote Bluetooth or do they also require a USB receiver.
- Will rooting and installation of custom recovery and rom enable some of the features above that can't be achieved stock?
My needs for the device will be for gaming and playing my local video files and some kodi, so I would like enough storage to install many games. All of my large video files will be stored on my 4TB external. I was hoping to have all my games installed on device threw adoptable storage but would like to get the high speed from my SD card to run games
All answers and suggestions welcomed.
Should I have just opted for the 500GB pro shield?
Here's what I ordered
-also can I use a Xbox or Dualshock 4 controller instead of the included Nvidia one?

AndroiderM said:
So I just ordered my shield, remote, and micro sd. I'm really curious as to if I made a good combination of hardware. I picked up the 16gb version, nvidia remote, and the new fastest sandisk Mico sd. Here's my questions.
-I got the brand new sandisk uhs-ii u3 micro sd, I know the bus speed for micro SD on the shield is only rated uhs-1. Can I format it as adoptable storage using the USB 3.0 adapter so I can get the high speed the card is rated for or will I have to use the micro SD slot for adoptable storage and have my card speed throttled to the slower r/w bus speed. If this is the case should I have opted for a uhs-1 card for half the price
-I also have a USB 3.0 4TB external hard drive full of movies that I currently plug into my LG TV. It is formatted NTFS, will I be able to plug it into my shield and use it as my new media player since the one on my TV is kinda clunky. Can I read and write to NTFS on my shield?
- I also have an Samsung 840pro 250GB SSD in a USB 3.0 enclosure which is formatted exfat. Could this drive be used as adoptable storage via USB 3.0? Pretty much the same as question 1. Can adoptable storage be configured threw USB instead of micro SD, if this is the case do I really need the Micro SD card?
- Will a USB 3.0 hub work on the shield so I can plug in a dongle for a wireless keyboard, my 4TB drive, my SSD, and Micro SD in 3.0 adapter?
- Are the gaming controllers and remote Bluetooth or do they also require a USB receiver.
- Will rooting and installation of custom recovery and rom enable some of the features above that can't be achieved stock?
My needs for the device will be for gaming and playing my local video files and some kodi, so I would like enough storage to install many games. All of my large video files will be stored on my 4TB external. I was hoping to have all my games installed on device threw adoptable storage but would like to get the high speed from my SD card to run games
All answers and suggestions welcomed.
Should I have just opted for the 500GB pro shield?
Here's what I ordered
-also can I use a Xbox or Dualshock 4 controller instead of the included Nvidia one?
Click to expand...
Click to collapse
Can anyone help with some of these questions? I canceled the 16gb version and opted for the pro. I also canceled the sandisk micro sd. Can I use my Samsung ssd in usb 3.0 enclosure as adoptable storage? Would I benefit any from it as far as load times on games or should I just install to internal 500gb drive? What are the advantages of a custom rom over rooted stock rom. With stock rooted rom can I install all the same apps from Google play or will I have more options with a custom rom? Also I see custom roms of full android 6.0 without nvidia skin overlay. Are there any real benefits this and will I lose any functionality? Any help is appreciated, responses please! I get my shield Tuesday.

Look through the forum and most of your questions will be answered, also, should have stuck with the 16gb

AndroiderM said:
So I just ordered my shield, remote, and micro sd. I'm really curious as to if I made a good combination of hardware. I picked up the 16gb version, nvidia remote, and the new fastest sandisk Mico sd. Here's my questions.
-I got the brand new sandisk uhs-ii u3 micro sd, I know the bus speed for micro SD on the shield is only rated uhs-1. Can I format it as adoptable storage using the USB 3.0 adapter so I can get the high speed the card is rated for or will I have to use the micro SD slot for adoptable storage and have my card speed throttled to the slower r/w bus speed. If this is the case should I have opted for a uhs-1 card for half the price
-I also have a USB 3.0 4TB external hard drive full of movies that I currently plug into my LG TV. It is formatted NTFS, will I be able to plug it into my shield and use it as my new media player since the one on my TV is kinda clunky. Can I read and write to NTFS on my shield?
- I also have an Samsung 840pro 250GB SSD in a USB 3.0 enclosure which is formatted exfat. Could this drive be used as adoptable storage via USB 3.0? Pretty much the same as question 1. Can adoptable storage be configured threw USB instead of micro SD, if this is the case do I really need the Micro SD card?
- Will a USB 3.0 hub work on the shield so I can plug in a dongle for a wireless keyboard, my 4TB drive, my SSD, and Micro SD in 3.0 adapter?
- Are the gaming controllers and remote Bluetooth or do they also require a USB receiver.
- Will rooting and installation of custom recovery and rom enable some of the features above that can't be achieved stock?
My needs for the device will be for gaming and playing my local video files and some kodi, so I would like enough storage to install many games. All of my large video files will be stored on my 4TB external. I was hoping to have all my games installed on device threw adoptable storage but would like to get the high speed from my SD card to run games
All answers and suggestions welcomed.
Should I have just opted for the 500GB pro shield?
Here's what I ordered
-also can I use a Xbox or Dualshock 4 controller instead of the included Nvidia one?
Click to expand...
Click to collapse
techjunky90 said:
Look through the forum and most of your questions will be answered, also, should have stuck with the 16gb
Click to expand...
Click to collapse
Yeah ended up swapping for 16gb again and gonna use my Samsung ssd adopted. Found the answers to most questions just trying to decide rather to flash full android m or just root factory firmware.

Why not the 500gb with adoptable though. Isn't it a hybrid drive or just a regular 5400rpm hdd

AndroiderM said:
Why not the 500gb with adoptable though. Isn't it a hybrid drive or just a regular 5400rpm hdd
Click to expand...
Click to collapse
I think the drive is a Hybrid. Pretty good chance that NVIDIA just used a USB 3.0 to SATA chip to service that 500gb drive. So I see no reason why you couldn't have just done it yourself.
How do you know the device did not come with the remote already? I purchased the 16gb and decided I did not want the remote so I didn't buy it, yet surprisingly it was in the retail box anyway.

As far as I know it's just the shield and the controller in the box according to the Amazon description and pictures. They do sell a bundle that has the remote included but I'm pretty confident mine has no remote. You cannot add, change, or remove storage internally on the shield nvidia made sure of that.

Weather to Pro or not to Pro, you can find some more opinions here: http://forum.xda-developers.com/shield-tv/help/buying-16gb-128gb-sdcard-500gb-t3399659
It all comes down to what you want to use the Shield for. If your installed games are not going to exceed those 16GB of flash (which of course will be less) I see no reason to get the Pro. Another valid point is the price difference: for the 100€ difference, I could get a 2-4 TB HDD.
On another note, I think you can find more answers around here: https://forums.geforce.com/default/board/159/shield-android-tv/

Yeah I was talking about getting a bigger usb 3.0 drive and using one of the included usb 3.0 ports. That's actually why they are there.

SkOrPn said:
Yeah I was talking about getting a bigger usb 3.0 drive and using one of the included usb 3.0 ports. That's actually why they are there.
Click to expand...
Click to collapse
Gotcha I plan on it, I have a 256gb ssd in enclosure I want to use as adopted storage and a 4tb wd external for media storage

Personally speaking, for my family anyway I just add drives to the home server, or retire them for bigger ones. Building a Windows home server 5 years ago was the best thing I ever did for media consumption. Sadly I only have 3 SATA ports so I am limited to the amount of drives I can add
Sent from my SM-T700 using Tapatalk

One thing I forgot to mention: adding USB devices through a USB port will limit the speed and latency at which they are accessed.

OK how would you guys setup this is what I now have ordered and has already shipped so no going back. Idc if I use adoptable storage or not unless it benefits me. My usage will be downloading large torrent files and copying them to 4tb drive using shield as player, lots of large file gaming, kodi, Internet browsing and that's about it. Maybe hangouts
What I ordered:
Shield pro 500gb
Remote
Controllers
Bluetooth keyboard
Whatever I already have:
Samsung 256gb ssd
4tb wd my book
500gb hdd out of ps4

I wouldn't worry about adaptable storage. keep your external drives mounted as removable storage and have your apps and games all installed on your internal drive, keep the external drives just for media. I can't see you filling up 500gb with android apps and games any time soon.

Mr Creosote said:
I wouldn't worry about adaptable storage. keep your external drives mounted as removable storage and have your apps and games all installed on your internal drive, keep the external drives just for media. I can't see you filling up 500gb with android apps and games any time soon.
Click to expand...
Click to collapse
Edit: I think I've got it figured out just gonna root stock rom and sideload whatever I can't get directly through playstore.