Develop Bugs

does the otg can read card reader?

hi
i try to connect to my gn these thing with the card
http://www.techfresh.net/wp-content/uploads/2011/01/Lexar-Outs-32GB-Class-10-microSDHC-card-1.jpg
and the stick mount doesn't work on it...it soppuse to read it?
thanks

Are you formatted fat32? And I suppose there could always be an incompatibility though it should work. Also try it on a powered hub.
let it be.

yes it's fat32
i tried a diffrent card reader like these
http://www.letsgodigital.org/images/artikelen/238/hama_card_reader_bundle_arcsoft_software.jpg
and it also doesn't work

Well I would guess its your otg cable if your SD card is formatted correctly. Some people report their otg cable was culprit. I bought two different kinds in case one didn't work. Also, have you verified a regular USB thumb drive works first?
let it be.

regular dok workes fine...

Well then the reader probably doesn't work over otg. Idk if it readers fault or stick mount's fault. But you can't blame stick mount as it is the glue temporarily for USB otg til Google gets off its duff and supports it natively in the os. Nobody knows what or when.
let it be.

let it be.

USB Host Not Working

Hi guys. So the only thing I've done to my i747 is root it. I've tried both of the USB host apps in the market (USB Host Controller and StickMount) as well as the "SGS3-Easy-UMS" apk that's around, v1.2beta2 and v1.3beta. Can't attach any USB devices. All my flash drives are FAT32 and work well normally. I even ran the USB Host Diagnostics app and it confirmed that Android API, Rooted API, and Kernel "claim support" but no device is detected.
When I connect to sync, I can only do MTP transfers. This is why I looked into that EasyUMS apk because it apparently also allows to mount the phone on the PC as a USB Mass Storage device. During my search I see numerous people connecting flash drives, controllers, keyboards, and even a USB HDD to their sgs3's.
Because that apk requires busybox, and I have busybox, everything looked OK. However, I did once get an error from that APK about possible non-existant Kernel support. USB Host Diags disagree, as do many video tutorials.
Basically I'd like to know whether or not this is supposed to be working, and if not, then how do I go about making it work? I'd like to mount flash drives for easier use with Linux, and would like to mount the phone as UMS for the same reason. I would also like to use a USB Keyboard as well as a USB gamepad. Am I missing something? Are they all using the international?

Are you using a USB OTG cable?
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

drothenberger said:
Are you using a USB OTG cable?
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
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got this one, a couple good reviews confirmed that it works with input devices: Amazon product# B005GI2VMG
i mean it's very possible that the seller just buys from random manufacturers without changing the listing. this one that i have is like the cheapest thing on the market so that may be the problem. i wouldn't mind trying a different one for <$5 w/ US shipping if that exists (recommendations?).

Same cable didn't work for me
I bought the same cable, but from a different seller. Amazon ID number B005N55WHI
And I have the same problem. Tried using it with several input devices and with several different roms and I couldn't make it work. Could it be a power issue? Does the USB device that it is being hooked up to have to be powered? I tried it with mice, keyboards, and flash drives, but all of those devices take their power from the bus, not an external source.

glad you posted. hmm. since we both have the same thing and they're both not working, i'm suspecting it's indeed the cable.
i read on a review of a different cable on Amazon where the guy cut open the connector and found no wire connected to one of the pins. i've had thinner-cable wires before that charged/transferred slower than others or didn't work at all on some higher-end devices, could really just be a cheap-out on the manufacturer's end.
i think i'd like to get a different cable. if anyone can recommend an inexpensive one that's confirmed working i'd appreciate it. so i don't have to shoot in the dark.

I got the one with Amazon ID B00871Q5PI and it worked for me. I tried a Dell USB keyboard, a USB mouse, and a USB DAC and they all worked. All take power from the bus.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

got this one.... http://www.amazon.com/dp/B005GI2VMG/ref=pe_175190_21431760_M2T1_ST1_3p_dp_1
would it make a difference if it says its for the galaxy s2 and not the s3? im guessing thats why i cant get it to work.

vvelvetelvis said:
got this one.... http://www.amazon.com/dp/B005GI2VMG/ref=pe_175190_21431760_M2T1_ST1_3p_dp_1
would it make a difference if it says its for the galaxy s2 and not the s3? im guessing thats why i cant get it to work.
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Click to collapse
No, would not make a difference. USB OTG is a standard and for now all devices that have USB OTG work with all USB OTG cables. I've used a cheapass one from Ebay with my S2/Note/S3 for more than a year now.

solved for me
so i got the one drothenberger got (actually that particular link was out of stock for the seller so i got the other suggested one that looks exactly the same, title OTG for SGS3 - item# B00871Q5PI) and i'm in business!!!
someone replied to my negative review of the other one i got in the comments and they said theirs worked. i think they just have different products under the same label or lots of defective ones. i'd recommend to just get the ones that specifically say OTG for SGS3 - the extra dollar or whatever is worth it to save the trouble.
thanks again to everyone for the troubleshooting, hope this topic helps others resolve their issues.

Extenal Storage

While the Kindle Fire does not have a USB port, there are dongle's like this one that convert Micro USB to regular USB which in theory should allow for support of USB devices. My question is USB storage supported on the Fire?
Im using APKP Milestone 6

Hm, at would depend on whether or not that cable is an otg host cable. If it is, the wring is slightly different, which tells the fire to go into mastemode rather than the usual slave mode.
Another thing is that the software needs to support it. I'm pretty sure the stock ROM does not have this feature, however a great little ROM called GedeROM does have limited support. There have been reported cases of external storage working, however some drives refuse to work. Do some googling and find a drive that does work and buy that one, if you haven't bought one already.

jji7skyline said:
Hm, at would depend on whether or not that cable is an otg host cable. If it is, the wring is slightly different, which tells the fire to go into mastemode rather than the usual slave mode.
Another thing is that the software needs to support it. I'm pretty sure the stock ROM does not have this feature, however a great little ROM called GedeROM does have limited support. There have been reported cases of external storage working, however some drives refuse to work. Do some googling and find a drive that does work and buy that one, if you haven't bought one already.
Click to expand...
Click to collapse
I actually already bought one. Only a dollar do nothing much to loose. Will see if it works.

[Q] AFTV USB Storage issue *SOLVED*

Anyone had issues using a usb stick?
Trying to free up space by moving apps but box does not seem to acknowledge it being connected. Cheapo 16GB stick. works fine in my PC and on phone and tab using OTG cable. Has been formated. Deleted all partitions, created new primary, then formated again. Still nothing?
Just called Amazon Cust Services who took details to pass to tech support who will contact me within 48 hours.
Any ideas folks?

wileykat said:
Anyone had issues using a usb stick?
Trying to free up space by moving apps but box does not seem to acknowledge it being connected. Cheapo 16GB stick. works fine in my PC and on phone and tab using OTG cable. Has been formated. Deleted all partitions, created new primary, then formated again. Still nothing?
Just called Amazon Cust Services who took details to pass to tech support who will contact me within 48 hours.
Any ideas folks?
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Click to collapse
Not sure. But USB 3.0 flash drives are getting pretty cheap. You can pick up a 32gb sandisk ultra for about 15 bucks at Walmart or 16 for $10. If you don't mind waiting, I'm sure you could find them even cheaper online.
Its not really a solution but the faster the better. Have you done any basic trouble shooting? Maybe remove it then reinsert and wait a couple of minutes? Reboot with USB in, reboot without then insert...if using a hub try it without.
I haven't had any issues but I'd be surprised if aftv mounted every flash drive on the market. That's rarely the case on other devices. Good luck.
*I don't think the format matters. Aftv should automatically format and prepare the drive.

KLit75 said:
Not sure. But USB 3.0 flash drives are getting pretty cheap. You can pick up a 32gb sandisk ultra for about 15 bucks at Walmart or 16 for $10. If you don't mind waiting, I'm sure you could find them even cheaper online.
Its not really a solution but the faster the better. Have you done any basic trouble shooting? Maybe remove it then reinsert and wait a couple of minutes? Reboot with USB in, reboot without then insert...if using a hub try it without.
I haven't had any issues but I'd be surprised if aftv mounted every flash drive on the market. That's rarely the case on other devices. Good luck.
*I don't think the format matters. Aftv should automatically format and prepare the drive.
Click to expand...
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Thank you for your time pal. Had done reboots but not with USB in or checking if makes a diff plugging in when off then turning on. Thank you for that will give it a go.

wileykat said:
Anyone had issues using a usb stick?
Trying to free up space by moving apps but box does not seem to acknowledge it being connected. Cheapo 16GB stick. works fine in my PC and on phone and tab using OTG cable. Has been formated. Deleted all partitions, created new primary, then formated again. Still nothing?
Just called Amazon Cust Services who took details to pass to tech support who will contact me within 48 hours.
Any ideas folks?
Click to expand...
Click to collapse
You may want to check in Developer options. I think if you have ADB Debugging or Unknown Sources (can't remember which one) enabled it won't recognize the usb port. At least that was the case with the latest firmware.

BOOM!!!!! Solved. Turned all dev options off and it recognised it straight away. Will check them one by one later on. Thank you good sir!!!!
Sent from my Nexus 7 using XDA Free mobile app

Which otg to get for z2 plus

I've come to realize that only a selective amount of OTG cables work on this phone, can someone please recommend some? thanks.

iamgood1738 said:
I've come to realize that only a selective amount of OTG cables work on this phone, can someone please recommend some? thanks.
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If you've come to realize that only certain ones work, then why aren't you informing us which ones?? I personally didnt know Z2+ did OTG but I guess ROMS can change this..

alchemist83 said:
If you've come to realize that only certain ones work, then why aren't you informing us which ones?? I personally didnt know Z2+ did OTG but I guess ROMS can change this..
Click to expand...
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because i want to know aswell?

As far as I have tested or seen, Any USB C Type OTG cable or connectors work with Z2 Plus.
Here is one such cheap connector I am using for connecting my USB pen / thumb drives.
Working is more depended on data partition of the drive. Some time some ROM finds it difficult detect NTFS. FAT32 works fine most of the time.