Is there a posibility to charge the A100 at USB ?? This thing really makes my angry while i play on laptop and the tablet dont charge in usb
No, it's not possible.
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Hi,
I've used a USB charger on all my phones for a few years now. Just plug phone in on my desk and no worries. However my new Defy doesn't seem to take a charge from the USB on my network device (it's not a full PC). However my HTC HD2 could get a charge from it so:
1. Is the Defy more power hungry that it won't charge from an ND (I assume NDs put out less power over USB than a PC)
2. Does it just not show on the battery on the Defy that it's charging?
3. Have I missed something simple? I've gone into USB connection and selected charge only. I can't install drivers on the ND though, could that be it? The ND hasn't said it's found new hardware either though.
Thanks in advance for advice
motorola has a notorious reputation on this, they require a usb driver to be installed for charging some of their phones...
i think there's some strange combinations at work about this but, just use a standalone charger and it should solve the problem.
Thanks. I thought it would be that.
Bit short of plug sockets at work but I'll figure something out
Another point to note is that the Defy is very fussy regarding USB cables. A lot of cheap ones will pass data but no charge.
martint235 said:
Thanks. I thought it would be that.
Bit short of plug sockets at work but I'll figure something out
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Would you consider hacking a usb cable to make a charging lead? A standard usb lead plugged into a PC will try to enumerate with the PC before it starts to draw power from the PC. However if you hacked a usb cable and shorted the DM and DP lines on the phone side, the phone 'should' detect the cable as a mains charger rather than a PC, thus enabling charge without any drivers on the PC. It would be something like the attachment...
Thanks for all the replies. Although my USB cable wasn't cheap and was capable of charging an HD2 which must be more power hungry than a Defy, it turns out the Defy is really fussy. It's charging fine through the Motorola USB lead on my network device.
My USB loading experience
Hi,
just to share my exp:
- loading with most USB loaders: fine
- My Car loaders and my multi power adaptor with usb can load everything but the defy
- on Computer no problem (some say you will have better battery performance when loading on non Computer: I can´t see a difference)
- cable doesn´t change anything
technome said:
Another point to note is that the Defy is very fussy regarding USB cables. A lot of cheap ones will pass data but no charge.
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I've bought a couple of USB cables from ebay. My Defy seems to connect and disconnect when using them, like it has a loose connection. If I use the Motorola one, of course it's fine!
I have an interesting question/suggestion - if we use a USB Hub, and we plug the charger of the phone to the hub, and then the phone and everything else, will there still be a risk of burning smthing in the phone, or it will act just as the livedock???
Nope. I myself use a USB hub, and plug the USB cable from the hub to my phone to charge it. Even now, my USB thumb drive is connect to the hub as well. Don't worry too much about burning your phone, it won't. The voltage in the USB hub is well below 5 volts (or even less), which is good for slow trickle charging as it would preserve your battery (as slow trickle charge generates less heat, and heat reduces the life of your battery).
I think you didn't get the idea.
My idea is to plug the charger to the usb hub, then plug the phone to the usb hub, then plug a flash drive, and/or wifi mouse and keyboard to the hub as well. The idea is to simulate the livedock with a usb hub and avoid burning your phone.
I have the official Samsung desktop dock for the GN with pogo pins for charging. I cut out a notch in the left side of the dock so that I could access the USB port on the phone when it's docked. I'd hoped I could then attach a USB OTG cable and mount a flash drive while the phone charged via the pogo pins.
Unfortunately, the two functions seem to be mutually exclusive. If the phone is in the dock and charging and I attach the cable and flash drive, they are not recognized by the phone. Or, if I attach the cable and flash drive first and mount the flash drive before placing the phone in the dock, charging doesn't initiate when I put the phone in the dock.
Does anyone know if there is some way via software or hardware to force pogo pin charging while a flash drive is attached and mounted via a USB OTG cable?
I will try tomorrow on my self built car pogo charger and usb otg. I have aokp with the fast charge override feature.
subvertz said:
I will try tomorrow on my self built car pogo charger and usb otg. I have aokp with the fast charge override feature.
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Sounds great! Thanks much. If it works, it'll tempt me to go to AOKP myself.
Any luck on this?
I too want to use OTG functionality while charging phone in the official car dock.
USB OTG + charging
I'm actually trying to get the same get something like this going on a galaxy s2 (the I9100g with the omap processor) or a GN, My goal is to get usb host and charging going through the same cable. By making some changes in the kernel i've got the phone to think its in charging mode while in host mode, but if you check the battery status, it's still draining even though it says "charging" and I've got the a usb "Y" cable connected to a 5v 2amp power source.
I think cyanogenmod (there was a post on this here and a standalone app that eventually rolled into the latest cm7 nightly) has this working on a BN nook color (also TI-OMAP Processor), but I have not been able to verify this.
Does anybody have host+charing working on any device with an OMAP processor?
Sorry for the delay, I had an emergency work trip offshore on an oil rig. I can try it out tonight.
Results. Charging OTG killed pogo charging. I tried mounting in pogo charger with OTG already attached mounted with a basic thumb drive. Charging never started. I tried charging with pogo first, then plugging in OTG, charging stopped. I checked to make sure it was actually discharging by waiting for a few percent decrease.
Sorry, I was hoping it would work too.
subvertz said:
Results. Charging OTG killed pogo charging. I tried mounting in pogo charger with OTG already attached mounted with a basic thumb drive. Charging never started. I tried charging with pogo first, then plugging in OTG, charging stopped. I checked to make sure it was actually discharging by waiting for a few percent decrease.
Sorry, I was hoping it would work too.
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Thanks for giving it a try. It would be interesting to know if this behavior is built into the hardware or could be modified via software/in the kernel. It's consistent with what happens when using a powered USB hub.
Other than a software mod, I'd sure like to see someone start making and selling an Accessory Charger Adapter as described in Chapter 6 of the USB Battery Charging Specification document from 2010. It's the exact thing needed to use USB OTG and charge at the same time.
Anyone knows if its possible to charge via USB, with a device connected?
I connect an adapter microUSB to USB OTG, than connect USB OTG in a USB HUB and than i connect a device in one USB and force in another, is it possible or not??
It may work, since connecting to the pc works.
Hi, why cant i charge my play trough the usb cable?
I don't know, why don't you ask someone from tech support?
You can.
Get a new cable, its around 2-4euros.
Sent from my R800i using xda app-developers app
Some more details would be nice.
Does your phone just won't charge, while connected to your pc via USB,
or do you also can't get any access through USB to your phone?!
AverageAmit said:
Hi, why cant i charge my play trough the usb cable?
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It depends where the USB is connected to. Not all computers (and other appliances) support charging external devices through USB.
as the above poster said not all computers support charging but also some cables have diferent connectors so some may only support data transfer and nothing more
This is the orriginal cable that i got with the play, it does transfer data, the red light which shows that its charging is off, the battery icon shows that its charging, while actually its not charging at all.
my USB does support charging because my Ipod can be charged from it.
Ok well you have two options you can try a difrent charger and see if its just the cable or call sony
Sent from my GBTweaked V7.1 R800x using Tapatalk 2
Unfortunately, I just wasted over $30 on a Valarm IoT OTG Y cable. It does not work at all as a host cable for any USB device on the G4. I was hoping to use the Valarm cable to connect a USB DAC and charge the phone at the same time. The cable will let me charge the phone but whatever I connected to the USB female port is not recognized. If anyone finds a USB host cable that allows charging, please post!
mattnin said:
Unfortunately, I just wasted over $30 on a Valarm IoT OTG Y cable. It does not work at all as a host cable for any USB device on the G4. I was hoping to use the Valarm cable to connect a USB DAC and charge the phone at the same time. The cable will let me charge the phone but whatever I connected to the USB female port is not recognized. If anyone finds a USB host cable that allows charging, please post!
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From what i understand otg goes one way or the other it cant act as a host and carge at the same time. It flips the charging circut to flow out instead of in. Ive been through this on a few phones tried even straight wiring a powerline to the otg itll power the usb device but not charge the phone.
TheMadScientist420 said:
From what i understand otg goes one way or the other it cant act as a host and carge at the same time. It flips the charging circut to flow out instead of in. Ive been through this on a few phones tried even straight wiring a powerline to the otg itll power the usb device but not charge the phone.
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The manufacturer of that cable clearly states that it'll charge a samsung phone, not confirmed working on a G4 though. Here is the link, http://shop.valarm.net/products/micro-usb-host-otg-y-cable-with-micro-usb-power-for-samsung
I wish there was a way to enable charging using OTG.
mattnin said:
The manufacturer of that cable clearly states that it'll charge a samsung phone, not confirmed working on a G4 though. Here is the link, http://shop.valarm.net/products/micro-usb-host-otg-y-cable-with-micro-usb-power-for-samsung
I wish there was a way to enable charging using OTG.
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Yea me to i have a few devices that hook to my car that drain my tablet and phone batts and it kills me the only other way ive got it to work is hard wire a charger to the phone. But of coarse this is a old throw away gs3 that im talkin bout not my g4. I havnt tried on my g4 yet but its all phone specs has to have dual charging circuts cause they can only flow one at a time. Now some new devices i know. Do support otg with charging capabilities.