Develop Bugs

MHL & USB host

Anyone know if it's possible to use MHL in conjunction with a microUSB to USB host adaptor to output to HDMI and access an external USB drive at the same time? That'd make the SGS2 an amazing portable media unit.

No, it is not posible. Its an either/or connection to the micro USB port.
Shame, because as you say that would really be a great thing. MHL consortium are considering a number of improvements to the 2.0 MHL spec, so in future devices this may be a possibility.

So MHL can't be used when I'll plug a USB-Hub?

No, sadly not.
It's a shame - for now I'd prefer micro USB & separate HDMI port so USB can be utilised as well as an external display.

As would I, and a lot of others I suspect.

But you've got 16 GB memory and can copy your stuff to the memory and watch it later via MHL on your Flat? So this is not a big problem, I think

s60mike said:
But you've got 16 GB memory and can copy your stuff to the memory and watch it later via MHL on your Flat? So this is not a big problem, I think
Click to expand...
Click to collapse
Yes, but 16Gb of FAT32 and you can't copy a file > 4Gb

I would use allshare to stream the movie or whatever to your phone from a laptop and connect the phone to TV via the MHL HDMI adapter...that way you have access to ur laptop's data without being hardwired to it

chizzwhizz said:
I would use allshare to stream the movie or whatever to your phone from a laptop and connect the phone to TV via the MHL HDMI adapter...that way you have access to ur laptop's data without being hardwired to it
Click to expand...
Click to collapse
Yes, it helps only if your laptop can't play smoothly a HD video

Has anyone got a generic MHL cable to work with the galaxy s 2 yet?
Sent from my GT-I9100 using Tapatalk

lufcmattylad said:
Has anyone got a generic MHL cable to work with the galaxy s 2 yet?
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Not that I'm aware of...

I bought one from Ebay and can't really do anything good with it. Display shows briefly for 3-4 seconds on TV then disappears again. Don't know why.....I hope it's not the device itself because I tested 2 phones, they were bought at the same time, but none of them would work correctly....

If by generic you mean a not samsung one or one not dedicated to the SGS2 then i actually use a one, from ebay or someting like that, everything works perfect you just cant forget to plug power to it, and about the not working one, it seems mine gets jammed by gsm signal (i.e. when receiving a call), so from time to time the image disappears in a blink of noise, maybe that is your problem too, try it in airplane mode.

Oh, I think I misread that question - I have actually used a generic one with my SGSII (a prototype from the MHL consortium) and it worked fine!

chizzwhizz said:
I would use allshare to stream the movie or whatever to your phone from a laptop and connect the phone to TV via the MHL HDMI adapter...that way you have access to ur laptop's data without being hardwired to it
Click to expand...
Click to collapse
No, you can't, when the MHL is connected, the WiFi stops working, I regret not having bought the Optimus 2x

erebocln said:
No, you can't, when the MHL is connected, the WiFi stops working, I regret not having bought the Optimus 2x
Click to expand...
Click to collapse
Uhm no. I've been streaming with WIFI through MHL no problem for MONTHS. Using the Original Samsung MHL connector of course.

I have to put mine in offline mode to be able to use the MHL adapter.....
As for USB-OTG no luck yet.....

On Amazon, Ebay, DealExtrem ... you will find adapters that can do 3 things at a time:
- output HDMI
- let phone work as usb host, so that you can plug kbd, mouse, and external HDD (second wifi card, wired ethernet ...); once you have the usb A plug, just pub a hub
- recharge the phone (what is not possible with the legacy short OTG cable).
+ read memory cards
Such devices are sold as MHL devices. Some MHL devices don't to all that.
Take care. MHLv2 is more complex than MHLv1.

doublehp said:
On Amazon, Ebay, DealExtrem ... you will find adapters that can do 3 things at a time:
- output HDMI
- let phone work as usb host, so that you can plug kbd, mouse, and external HDD (second wifi card, wired ethernet ...); once you have the usb A plug, just pub a hub
- recharge the phone (what is not possible with the legacy short OTG cable).
+ read memory cards
Such devices are sold as MHL devices. Some MHL devices don't to all that.
Take care. MHLv2 is more complex than MHLv1.
Click to expand...
Click to collapse
Could you post a link as an example for such a device, that works properly (if you've tested, or you know it works) ?
Thank you

I can post links, but ... I have not tested any of those. And don't know any one personally who tested it.
Cable:
http://www.amazon.com/Juiced-Systems-MHL-Adapter-MicroSDHC/dp/B008CQKM2U
http://www.dx.com/p/5-in-1-micro-us...n-micro-usb-adapter-black-257780#.U8HYDNePul0
Monobloc:
http://www.ebay.fr/itm/Micro-USB-Ho..._MobilePhoneDataCables_JN&hash=item258600844e
I don't like the monobloc version; I fear it's too heavy, and may help breaking the phone plug.
There are all sorts of OTG and MHL cables. I have seen OTG dongles as short as 4cm (monobloc), with small cable (8cm: 4-8€), with long cable (1.5m .... should be 7 feet), pure HDMI (passive cable, no card reader, 8-12€), VGA (including very cheap HDMI to VGA converter, 20-30€ ... including sound output). In some case, you need to buy accessories (extra power supply, extra uUSB cable, extra HDMI cable). Also seen a very cute hybrid card reader: http://dx.com/p/285865 (I love this product design, and I love this URL syntax )
Don't forget that there can be mistakes in item description.
Here I have described how to build an external battery:
http://forum.xda-developers.com/showpost.php?p=54036759&postcount=17
On previous phone, I just soldered additional battery to internal one; on my new phone, I will do something more complex, and more flexible.
Loosing power via OTG/MHL is not a fatality. Most phone have an other hidden power input:
généric, that uses the USB plug:
http://www.dx.com/p/reverse-qi-wire...arger-receiver-for-micro-usb-cellphone-312805
TRIPLE CHECK POLARITY; I took the wrong one; have to fold the cable.
So ... even if your OTG/MHL module takes power from your USB, and can not recharge your phone, the specific shell can charge your phone the other way So, you need to build an internal specific module:
https://www.youtube.com/watch?v=UK7PRJ4SiK0
S2 specific back shell, so called receiver:
http://www.aliexpress.com/item/2013-newest-wireless-charger-for-samsung-galaxy-s2/1266101036.html
http://www.exportprive.com/en/batte...reless-charger-set-for-samsung-galaxy-s2.html
http://www.alibaba.com/product-detail/QI-Wireless-Charger-for-Samsung-Galaxy_821969998.html?s=p
The SGS2 is not designed to accept wireless chargers, so, you have two options:
- solder and take the pins out (cf youtube) (do not solder coild to battery, or you could overcharge the batt, and burn your phone ... I mean, physically set fire)
- find an item that includes back shell + specific battery (exportprive)
Many recent phones have the internal connectors, so you just need to change the back-cover. In this case, the software will be able to know the charger is wireless (as opposed to AC, and USB; advanced battery tools will show those 3 possibilities). I believe the motherboard for my HTC One M8 is designed to have those pins, but I can't find the specific cover yet (maybe in a few months); only found it for M7.

[Q] PS3 controller on 3.1 Tab 10.1

In short, its not working for me.
I use the Samsung usb cable + female USB to micro USB adapter to connect to the ps3 controller.
Anyone had better luck?

My adapter shipped today ill let u know how it works out.
Sent from my GT-P7510 using XDA Premium App

schwiz said:
My adapter shipped today ill let u know how it works out.
Sent from my GT-P7510 using XDA Premium App
Click to expand...
Click to collapse
Where did u buy the adapter ? Last I checked it was backordered everywhere.
Sent from my GT-I9100 using XDA Premium App

clubtech said:
Where did u buy the adapter ? Last I checked it was backordered everywhere.
Sent from my GT-I9100 using XDA Premium App
Click to expand...
Click to collapse
Bought off amazon just searched female to female USB they have a few choices
Sent from my GT-P7510 using XDA Premium App

Do you think that will work for Mass Storage as well? I bought one off ebay for 1.49 so we can try it out. Hopefully it will come before friday morning so i can test.

rmig825 said:
Do you think that will work for Mass Storage as well? I bought one off ebay for 1.49 so we can try it out. Hopefully it will come before friday morning so i can test.
Click to expand...
Click to collapse
Didn't thought of that, I'll try it out tonight.

If you're just taking the USB cable that came with the tablet, changing it's gender and plugging something into the end, it won't work. The tablet would need to have USB Host support which this tablet does not. I believe that the Samsung USB Adapter that converts directly from the Samsung Connector to USB Female will add USB Host support (USB OTG).

Here is the USB Adapter. http://www.samsung.com/us/mobile/galaxy-tab-accessories/EPL-1PL0BEGSTA

cisox said:
If you're just taking the USB cable that came with the tablet, changing it's gender and plugging something into the end, it won't work. The tablet would need to have USB Host support which this tablet does not. I believe that the Samsung USB Adapter that converts directly from the Samsung Connector to USB Female will add USB Host support (USB OTG).
Click to expand...
Click to collapse
All 3.1 are USB host. However, the female to female adapter doesn't do the trick.
Sent from my GT-P7510 using XDA Premium App

schwiz said:
All 3.1 are USB host. However, the female to female adapter doesn't do the trick.
Sent from my GT-P7510 using XDA Premium App
Click to expand...
Click to collapse
I'm sorry, but you're wrong. Honeycomb 3.1 adds SOFTWARE support for USB Host funtionality. The device has to have HARDWARE support as well. This tablet does not. That is the reason that you need a special adapter that provides USB Host HARDWARE funtionality, such as the one I listed above.

cisox said:
I'm sorry, but you're wrong. Honeycomb 3.1 adds SOFTWARE support for USB Host funtionality. The device has to have HARDWARE support as well. This tablet does not. That is the reason that you need a special adapter that provides USB Host HARDWARE funtionality, such as the one I listed above.
Click to expand...
Click to collapse
Well that blows. I just ran down to best buy to try and grab one of these adapters but they are back ordered. Said they have no idea when they will have them next.
Sent from my GT-P7510 using XDA Premium App

I've got my fingers crossed Samsung hasn't dicked up the Bluetooth stack on the Galaxy Tab 10.1/8.9:
http://www.youtube.com/watch?v=xYtGX-PaJFY

Sorry to dig up the old thread but did anyone get this to work? I would love to play emulators on this tablet!

streetrider nick said:
Sorry to dig up the old thread but did anyone get this to work? I would love to play emulators on this tablet!
Click to expand...
Click to collapse
Yes. There's a lot of misinformation in this thread. The tablet DOES have USB Host capability, but it will only enable it when it sees a specific resistor on a particular pin in the dock connector.
http://forum.xda-developers.com/showthread.php?t=1155065 for more details.
To get USB Host, there are two approaches:
1) Make your own cable with the correct resistors
2) Purchase the Samsung USB Host adapter which is now available for around $20.
Note that there are some limitations:
1) Xbox360 controllers and PS3 controllers are not standard HID devices and require kernel support not present in stock kernels. Pershoot's kernel has the necessary modules.
2) PS3 controllers must be fully charged before trying to use them. If not they will try to charge their battery from the tab and cause an overcurrent trip, disabling the port until the USB dongle is disconnected.
Also, Samsung didn't mangle the Bluetooth stack like they do with their phones, so wiimotes work.

Not working for me
Not sure if there's a specific USB setting, but I bought the adapted and it works with Chainfire's DSLR Controller no problem. I plugged in the playstation 3 remote and had no luck, nor any detection of the device. Tried running an n64 emulator to try to map the keys, no luck there either.
All of the guides seem to be using a Xoom, I'm on the brand new OTA on the GT10.1
Anyone else?

USB Adapter for Galaxy tab 10.1
Verizon wireless corporate stores have the adapter in stock they will have to order it but last time i checked they had about 4000 in the warehouse, I hope this is helpful for those of you who are patiently waiting.

thecraigmcrae said:
Not sure if there's a specific USB setting, but I bought the adapted and it works with Chainfire's DSLR Controller no problem. I plugged in the playstation 3 remote and had no luck, nor any detection of the device. Tried running an n64 emulator to try to map the keys, no luck there either.
All of the guides seem to be using a Xoom, I'm on the brand new OTA on the GT10.1
Anyone else?
Click to expand...
Click to collapse
Which kernel are you running? Did you read my notes in the post prior to yours at all?

So, if i get the official USB adapter my regular wireless keyboard (Logitech Wave) should work seamlessly. Right?

I've just been using the "SixAxis Controller" app from Dancing Pixel (you can find it on the Android Market) to connect my PS3 controller to my tablet over Bluetooth. It's worked great for me (note: I use yongzh's emulators)
Hope that helps with the PS3 issues...I don't really know much about the USB adapter as I don't use it.

Galaxy Note OTG adapter

What are the different items I can connect to my Note via the USB On The Go adapter?
Apart from USB thumb pen drives, do external hard drives, wireless keyboard and mouse, gamepsds work?
Sent from my GT-N7000 using xda premium

they all should work out of the box, except for hard drives, which will need additional power

I want to try this feature but cannot find an adapter that works. I bought one off eBay but that was no good, the supplier stated it was for the Galaxy Note but didn't work on Gingerbread 2.3+ which was odd as obviously the Note ships with Gingerbread 2.3
I contacted Samsung who said I needed the official Samsung OTG cable but they don't sell to Joe Public .. trawling endless sites to find a supplier came up zero.
So if anyone know of a supplier (UK preferred) of one of these compatible adapter / cables please let me know

Good to see someone started this topic, very useful..
I have the Galaxy note and managed to connect my Keysonic keyboard with builtin mouse with no problems. I have the otg adapter and when I plugged in the wireless adapter the note picked it up as a keyboard and mouse, worked great.
http://www.ebuyer.com/104608-keyson...ard-with-integrated-touchpad-usb-kb-ack-540rf
Also the scrolling on the mousepad worked!!

apprentice said:
I want to try this feature but cannot find an adapter that works. I bought one off eBay but that was no good, the supplier stated it was for the Galaxy Note but didn't work on Gingerbread 2.3+ which was odd as obviously the Note ships with Gingerbread 2.3
I contacted Samsung who said I needed the official Samsung OTG cable but they don't sell to Joe Public .. trawling endless sites to find a supplier came up zero.
So if anyone know of a supplier (UK preferred) of one of these compatible adapter / cables please let me know
Click to expand...
Click to collapse
I bought this one and works perfectly fine, i have tested usb flash drives, mouse and keyboard successfully http://www.amazon.com/gp/product/B005FUNYSA/ref=oh_o00_s00_i01_details

pkshr said:
I bought this one and works perfectly fine, i have tested usb flash drives, mouse and keyboard successfully http://www.amazon.com/gp/product/B005FUNYSA/ref=oh_o00_s00_i01_details[/QUITE]
Ordered. Thanks for the advice.
Sent from my GT-N7000 using Tapatalk
Click to expand...
Click to collapse

Nokia OTG Adaptor
Does the Nokia OTG adaptor work with the note? Anyone tried?

Thanks a lot for the Amazon link I also found the identical one on the UK site here:
http://www.amazon.co.uk/Aftermarket...NQXS/ref=sr_1_1?ie=UTF8&qid=1324042438&sr=8-1
I shall order one and report back
EDIT: this arrived and I can confirm it does work. Thanks to the OP for this link

zoz33 said:
Does the Nokia OTG adaptor work with the note? Anyone tried?
Click to expand...
Click to collapse
I've just tried my N8s adaptor but no luck I'm afraid. It's connector to the phone is thicker and simply won't fit into the Note.

Nokia (at least the official cable) uses the "correct" Micro USB A for Hostmode.
You have to get Micro USB B for the Note.
(B cable fit in A but not otherwise)

FlamingGoat said:
I've just tried my N8s adaptor but no luck I'm afraid. It's connector to the phone is thicker and simply won't fit into the Note.
Click to expand...
Click to collapse
Ditto here. Almost wished it could work

Can you use OTG and MHL at the same time?
Sent from my SAMSUNG-SGH-I927 using xda premium

gramessh said:
What are the different items I can connect to my Note via the USB On The Go adapter?
Apart from USB thumb pen drives, do external hard drives, wireless keyboard and mouse, gamepsds work?
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
Anyone try a generic USB Gamepad? I have a PS3 copy/generic USB that would be cool to hook up to it for emulator games.

I have the original adapter and it's working great:
http://www.amazon.com/Samsung-R205UBEGSTA-Adapter-Packaging-T-Mobile/dp/B006FYBC70

USB gamepads should work when ICS is coming. Its in there.

dose this mean that not any OTG cable will work!

most are working but some are cheap quality
and some not well made
i bought several OTG cables from a seller on ebay and all worked

jeremy.chan said:
they all should work out of the box, except for hard drives, which will need additional power
Click to expand...
Click to collapse
Are you referring to those external hard drives that take power from the USB port?
What about those external hard drives that take on a separate power supply, those that are attached to a power socket? Anyone tried plugging in one of those to a Note?

ok I just buy one and it did work fine with sandisk 64gb.

so it's confirmed that it can read portable drives.
looking forward to owning one.

[Q] Multiple USB devices and HDMI

Guys,
I was wondering whether it´s possible to have a "connection chain" like this to the GNex ???
1.) Connect an OTG cable to the micro USB port of the GNex
2.) Plug a standard self-powered USB hub into the OTG cable
3.) Apply an USB-A to Micro-AB adapter and so connect the Samsung Micro-USB2HDMI adapter to the USB hub
4.) Connect a Logitech game pad
5.) Connect a USB stick, portable drive, ... you name it
What´s the purpose you´re sure about to ask ... Well, launch any emulator on the GNex, bring the video output to my 46 inch plasma and gamble old games with the game pad over the GNex.
Do you think, it´ll work? I don´t wanna spend all the money for all the adapters and stuff ending up in a mess.
Cheers
Christian

Don't think it will work honestly.

I don't think this device supports mhl and otg. Sounds like the galaxy s3 does with a special cable. That cable does not work on our phone.
Sent from my Galaxy Nexus using xda premium

Thx for the replies. Kinda sad, my idea won't work out.
Sent from my Nexus 7 using XDA Premium HD app

OTG cable for Nexus 7 2013

Does anybody know of a working OTG cable for the Nexus 7 2013? If so please reply with a link to Amazon. I am planning to hook up either a ps3 controller or xbox 360 controller.
Sent from my Nexus 7 using xda app-developers app

http://www.amazon.com/gp/product/B0095TEL8Y/ref=oh_details_o06_s00_i00?ie=UTF8&psc=1
Bought it and am using it.

For 2013 version?
Sent from my Nexus 7 using xda app-developers app

Using it right at this very moment on my very own N7 2013 built in July 2013

http://www.amazon.com/gp/product/B0073EPXO4/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
This is what I'm using. Cheap & works great & is pretty thick, I feel like it'll last long.

I use this one:
http://www.amazon.com/gp/product/B009YPYORM/ref=oh_details_o05_s00_i01?ie=UTF8&psc=1
purchased from seller: Atomic Market for around $10
It has the additional bonus of being able to accept power via its additional USB cable.
I find the Nexus 7 LTE 2013 does not need the additional power for typical USB thumb drives, but it might be needed for other devices like an external disk drive.
I find my Chromecast must have this cable powered in order to use a USB thumb drive to root and replace the android operating system.
You can save a few bucks for a cable that does not provide power if you want.
I also own this one:
http://www.amazon.com/gp/product/B005FUNYSA/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1
(purchased from amazon seller: Digital Center(Ships From Hong Kong)
which only costs $1.49 with free shipping. It was $0.83 when I purchased it last year.
It works on the Nexus 7 LTE 2013 with USB thumb drives, but does NOT provide additional power for devices which may need it.

Can you confirm thath this otg power cable charges the nexus 7 2013 while still reading peripheral data from usb port?
HowardZ said:
I use this one:
http://www.amazon.com/gp/product/B009YPYORM/ref=oh_details_o05_s00_i01?ie=UTF8&psc=1
purchased from seller: Atomic Market for around $10
It has the additional bonus of being able to accept power via its additional USB cable.
I find the Nexus 7 LTE 2013 does not need the additional power for typical USB thumb drives, but it might be needed for other devices like an external disk drive.
I find my Chromecast must have this cable powered in order to use a USB thumb drive to root and replace the android operating system.
You can save a few bucks for a cable that does not provide power if you want.
I also own this one:
http://www.amazon.com/gp/product/B005FUNYSA/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1
(purchased from amazon seller: Digital Center(Ships From Hong Kong)
which only costs $1.49 with free shipping. It was $0.83 when I purchased it last year.
It works on the Nexus 7 LTE 2013 with USB thumb drives, but does NOT provide additional power for devices which may need it.
Click to expand...
Click to collapse

bossman137 said:
Can you confirm thath this otg power cable charges the nexus 7 2013 while still reading peripheral data from usb port?
Click to expand...
Click to collapse
I can only confirm that both OTG cables I own work on the Nexus 7 2013.

i am using one that came with my minix x5 and it works on all my android devices, but the connection is loose. i would be surprised if there was one that did not work as the cable itself is such a simple thing.
i would also like to know of a working powered option. i thought the powered cables only supply power to the accessory, not to charge the device itself.

HowardZ said:
I can only confirm that both OTG cables I own work on the Nexus 7 2013.
Click to expand...
Click to collapse
Since you have the USB OTG cable with the additional cable for charging, would you mind testing it by:
1). Connecting a working USB device (mouse, HDD, etc.)
2). Connecting the USB power to the 2nd cable in the OTG cable
I am trying to use a BT keyboard and non-BT wireless mouse and charge the N7, but unfortunately, it drains the battery down heavily.
PS: I CANNOT use both BT keyboard and mouse AND have Wifi ON, as it interferes with the BT radio, making the keyboard and mouse lag heavily. I have created a thread on this also.

What thread is that?
Sent from my Nexus 7

fackamato said:
What thread is that?
Sent from my Nexus 7
Click to expand...
Click to collapse
This one...
http://forum.xda-developers.com/sho...ess mouse (non-bluetooth) that works with N7?

lanwarrior said:
Since you have the USB OTG cable with the additional cable for charging, would you mind testing it by:
1). Connecting a working USB device (mouse, HDD, etc.)
2). Connecting the USB power to the 2nd cable in the OTG cable
I am trying to use a BT keyboard and non-BT wireless mouse and charge the N7, but unfortunately, it drains the battery down heavily.
PS: I CANNOT use both BT keyboard and mouse AND have Wifi ON, as it interferes with the BT radio, making the keyboard and mouse lag heavily. I have created a thread on this also.
Click to expand...
Click to collapse
I have connected a USB thumb drive. The thumb drive works with or without power attached, but it will not charge. I suppose it is built to provide the power to the attached USB device and not to the phone / tablet.
Regards
Howard

I just got a cable from monoprice and it works great.
http://www.monoprice.com/Product?c_id=108&cp_id=10833&cs_id=1083314&p_id=9724&seq=1&format=2

Has anyone found an OTG cable that can be used to power a thumb drive and apply power to the Nexus 7? I'm trying to find one for when I'm traveling. I'd like to be able to watch movies and keep the device charging.

lanwarrior said:
Since you have the USB OTG cable with the additional cable for charging, would you mind testing it by:
1). Connecting a working USB device (mouse, HDD, etc.)
2). Connecting the USB power to the 2nd cable in the OTG cable
I am trying to use a BT keyboard and non-BT wireless mouse and charge the N7, but unfortunately, it drains the battery down heavily.
PS: I CANNOT use both BT keyboard and mouse AND have Wifi ON, as it interferes with the BT radio, making the keyboard and mouse lag heavily. I have created a thread on this also.
Click to expand...
Click to collapse
Perhaps a small powered USB hub will reduce the power drain on the N7?

Have a look at this.
Some ****ty spam prevention policies don't allow me posting an outside link.
(Seems I haven't posted "enough" to be considered "trustable"
So figure out the url below.
ptth:\\mehrvarz.github.io\usb-host-mode-power-management-nexus7\

xr_ghg said:
Some ****ty spam prevention policies don't allow me posting an outside link.
(Seems I haven't posted "enough" to be considered "trustable"
So figure out the url below.
ptth:\\mehrvarz.github.io\usb-host-mode-power-management-nexus7\
Click to expand...
Click to collapse
Easy enough to figure out...but I will post clickable link for ya http://mehrvarz.github.io/usb-host-mode-power-management-nexus7/

lanwarrior said:
Since you have the USB OTG cable with the additional cable for charging, would you mind testing it by:
1). Connecting a working USB device (mouse, HDD, etc.)
2). Connecting the USB power to the 2nd cable in the OTG cable
I am trying to use a BT keyboard and non-BT wireless mouse and charge the N7, but unfortunately, it drains the battery down heavily.
PS: I CANNOT use both BT keyboard and mouse AND have Wifi ON, as it interferes with the BT radio, making the keyboard and mouse lag heavily. I have created a thread on this also.
Click to expand...
Click to collapse
My y-connector from my n4 doesn't charge while using USB otg. The ability to do so is not written in the software. I'll try to locate the source and report. OTOH, the USB otg connectors from my GNex and N4 all work on my N5 and both old and new N7's.
EDIT: I just ran across this. I'm sure it's for the original N7. I wasn't even aware of it so obviously have not tested it. I did use ziddey's kernel on the N4. Still searching.
2nd EDIT: Available for N7 FLO/DEB 4.4.2. I'm running franco but will revert to stock then try this (as soon as I make a nandroid of my device).
3rd EDIT: That kernel does work to charge while on usb otg. It is a setting you choose to activate during the set-up. I just chose stock everything until I got to the power choices. I will say that although the install was successful, I came as close as I've ever come to thinking my device was bricked. After the install, the screen went black and I couldn't do anything. After about a 30 sec power button mash, everything booted back up. This video shows installation on the N5. Some choices are different on the N7 FHD. As I said above, I was NOT returned to TWRP after installation.
There is a note about altering a sys file for OTG peripherals. I only attached a flash drive and the usb_charge_mode was set to Y (I assume for yes). You may have to perform the edit if using a peripheral device.
Sent from my Nexus 7 using Tapatalk 4