What are the two metal contacts behind the battery cover? - Galaxy S III Q&A, (US Carriers)

Just curious.

Im not 100% sure, but I think they are for the nfc antenna.

People have gotten wireless charging using the back from old Palm devices connected to those pins & a touchstone. Hopefully Samsung will release an OEM version soon.
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Wireless charging and I even have a Touchstone from my Touchpad. Can't wait for a oem enabled back.
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I figured it was for an external battery built into an after market back.

The wireless charging Samsung was suppose to come out but now won't till September. Google it to find info
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Related

Usb data/charging cable compatablity

Does anyone know if the usb data/charger cable from the tf101 is compatable for the tf201 for data and charging?
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Yes it is compatible.
Ok....thanks
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Yep, I bought an extra at Office Depot and if I put the two in a bag I wouldn't be able to tell the difference when I pulled them out. Even all the specs/technical writing listed on it look the same.

Charger for Photon.

Hi Everyone,
i am using my photon 4g in india and we don't have flat pin sockets here.
i have been charging my phone with USB from my laptop.
can any body suggest me other options?
A wallplug --> USB adapter to charge via that? Or can't you order a micro-usb charger online for whatever type of wall outlets you have there?
I am also in India. I am using a Samsung micro usb charger (850ma) i think. This has normal pins.
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@akhilesh :- i will also order the same can you tell d exact specifications ?
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Actually i am using the one came with my wife's samsung phone... Its samsung travel adapter. Model ETA0U10IBE. output - 5.0v, 0.7A
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Thnx
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Get one flat to round pin adapter which is easily available in electronics shops.
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does this charger works for photon..
http://www.flipkart.com/samsung-charger-atadu10ibe/p/itmczcrxzts9vddt?pid=ACCCRHTNBKYE4JYZ
Most of the micro usb charger should work with photon. But one suggestion, try to get charger with atleat 0.7A rating, otherwise charging may be slow.
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prab2112 said:
does this charger works for photon..
http://www.flipkart.com/samsung-charger-atadu10ibe/p/itmczcrxzts9vddt?pid=ACCCRHTNBKYE4JYZ
Click to expand...
Click to collapse
I use it and it works just fine
In order for a charger to work on the Photon, it has to have the D+ and D- pins connected, either directly or with a resistor. Unlike most phones, the Photon won't charge from a USB hub or port unless the host PC has the Motorola charging/ADB driver installed.
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How to get MHL to HDMI working?

I read that sgs3 mhl adapters work for the note 2 also. Received my well rated adapter today and it doesn't seem to work. I'm on Beans ROM Build 2. Bummer!
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You have usb power plugged into the mhl adapter?
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Yep. Went back to a stock ROM and now it acknowledges its connected but the TV has no signal
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MHL Adapter
thejron said:
I read that sgs3 mhl adapters work for the note 2 also. Received my well rated adapter today and it doesn't seem to work. I'm on Beans ROM Build 2. Bummer!
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Click to expand...
Click to collapse
I am having the same problem. I have tried the official Samsung 11 pin adapter and a cheap knock off and have the same issue of it connecting and then disconnecting. Samsung told me that it was a bad port on the phone and I finally had got a new phone from verizon and it does the same thing. This is very frustrating.
There is really no trick to getting it working.
I use the ridiculously priced Samsung adaptor with a 2amp charger hooked to it and it works every time.
All i have to do is plug it in and set the TV on the right input and I'm good to go.
The 2 amp charger is the key. Make sure u have enough juice.
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HTC support

Talked with HTC tonight about my wireless charging issues. I'm on my second device already and this one stopped charging wirelessly. I just wanted to know if they knew of any other problems like mine and the lady said since they don't support wireless charging she wouldn't know, and as long as it charged from the wall then there was nothing she could do. I just want a phone that works as advertised. I didn't think that was asking too much
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Are you sure its the phone and not the charger.
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Verizon sent me a brand new nokia charger. Still won't charge
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Try lightly tapping the back of the phone worth a shot

Battery charging really slow

After 2 months I finally got s off via Windows 8 and usb 2. So I installed nusensesix Rom and I noticed the battery was charging really slowly, so I installed insert coin instead. Battery charged even slower. As you can see in the screenshot attached the battery is just a mess and for some reason never went above 50%. I calibrated the battery more than once for each install. This phones battery was already bad and know it's even worst. And I'm using the stock cable but not a stock adapter.
Use the stock adapter. Chances are the one your using isn't putting out as much power causing slower charging.
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I don't have the stock adapter
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Then find another adapter and see if it still does it.
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Ok it worked I switched to a dynex charger I brought for my old gs3.
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Glad to hear it's not the phone.
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