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Is it possible to power an HTC HD2 without a battery or the back cover? I found one about an hour ago in my downtown area, missing a SIM card and missing the microSD card. As noted it doesn't have a back cover or a battery, so my intention was to attach a "standard" 5V/1A cell phone battery charger. I figured out from a picture of the battery that if I've got the HD2 flat on the display and I'm looking at the back, the positive terminal will be the one on the left but, when I attach the power supply (which I tested before this attempt, it works) leads using micro-alligator clips and push the power button (front of display, button furthest on the right, I think, never used one of these HD2's before) I get no response.
Now, the question is either a) am I not getting any response at all because the HD2 can't be powered up in this manner because there's no back cover or b) it's more likely to be completely toast because of the damage it apparently suffered in the drop that shattered the glass. The only damage (aside from the glass) is a very tiny scrape/scuff mark on the top right corner of the bezel - obviously that's where it hit the ground.
I don't own any of these apparently micro-USB style connectors (or is it mini-USB, I can't figure out which is which I suppose). Bleh, I just looked at a pic I found with Google Images, apparently it IS a micro-USB connector.
All blabbering aside, even if I had such a connector or a power supply using such a connector, is the phone going to even power up without a back cover on it or battery inside? I know a lot of devices become totally disabled when the back cover is removed (as my Dell Axim X51v does; as soon as I even throw the lock switch to unlock the back cover that disables the device totally.
Anyone able to provide some tips or suggestions? I have no way of knowing who it belongs to so I'm claiming it, and if I can verify it might work or does still function I might be willing to put some money into getting the glass/digitizer replaced, a new battery, power adapter, etc.
Anything at all would probably be quite helpful.
Thanks...
The HD2 works without back cover!
The HD2 doesnt work without battery...!! I've never heard of a mod to enable switching it on through micro-usb.
Be carefull you could be scammed...buying a phone in that state, because of the hit some other components may be damaged!! It depends on the price and money you're willing to risk!
no problem with powering on without the backcover. did that many times before.
but i guess its not possible without a battery...
DN41
Ah, ok, so the fact that there's the two metal 'dots' on the HD2 that apparently become a connection when the metal battery cover is in place don't affect powering it up, but no battery keeps it dead? Hrmmm...
Ok, if someone that owns an HD2 can confirm that it becomes very useful info. Take the back cover off, take the battery out, and tell me if plugging in a micro-USB cable (either from a computer USB port or from the AC adapter) allows it to function at all, and then try the same thing with the cover on (don't put the battery in, however).
So there's 3 possibilities:
1) It'll work off the micro-USB power with no battery and no cover
2) It'll work off the micro-USB power with just the cover installed but no battery
3) It'll work off the micro-USB power with no cover but with a battery installed
and actually the fourth possibility which doesn't matter in my case:
4) It'll work off the micro-USB power with the cover and the battery installed
Dammit I hate it when I find stuff like this and can't get it functional.
Again, thanks for any suggestions - and I didn't buy this phone, I found it a few hours ago, on the ground as I was walking home. I wouldn't buy something in this cosmetic condition unless I knew it was working even in spite of the cracked glass. I've owned iPhones with horribly shattered glass on them but they still function, even all the multitouch functionality is still working - that's my hope here, that this device will still work just fine and if it does then I'll pay to replace the glass/digitizer.
Thanks
Edit:
I think I just realized that the metal contacts on the inside of the back cover and those 'dots' could be because the HD2 is using that battery cover as a Wi-Fi antenna, plate-style antenna.
I just tested it for you. Without the battery in there is no starting it, period.
Might I suggest though that you ask around and find a mate with a microUSB, (you must have someone that has one), and plug it in when the battery contacts are jumped. It will probably work that way. I'm not going to try it because I have a perfectly good phone and have always mistrusted elec-trickery...
those spring loaded studs have been the subject of much discussion, with no definitive answer,, stop the cover rattling, grounding plate for the antenna, remnants of an unreleased car kit,,, who knows. certainly signal doesn't appear diminished with the cover off, and on the inside of the cover there is no coating on the metal where they connect, indicating a signal being passed so who knows.
i suspect simply attaching power to two contacts isn't enough because the third contact is expecting a signal of some kind? perhaps a connection from the battery charge protection circuits?
you could always buy a cheap copy battery from ebay, and just resell it if it doesn't work, or run a scam on your insurance with it? (did i just say that out loud??)
I'll say this again: I found the phone on the ground on the side of the street while walking home a few hours ago.
I don't use T-Mobile service and I have no intentions of using it as a phone; I already have a phone so I was going to use it as a portable media player sorta like an iPod touch if I can verify it works 100% and just needs a battery/back cover/replacement glass and digitizer. That's my intention at this point.
And I was thinking that yes it won't work at all without a battery so, thanks again for the info. I'll head out this morning to a T-Mobile store (actual T-Mobile and not a reseller) and see what they can tell me. Surely they'll have a battery/back cover and potentially an AC adapter to verify if it's 100% dead of somewhat functional even in spite of the busted glass.
Let's hope it works...
what about searching the owner?
DN41
Well, let's see:
- I can't power it up
- It has no SIM card
- It has no microSD card
- The only way to track the owner would be using the IMEI and I'd have to go to a T-Mobile store to do that, when that's done and they get the number, if the phone was stolen and then dumped in the trash/on the street where I found it, they call the police and I get in a bit of trouble for no good reason
That pretty much covers it.
okay, you're right...
i cant imagine how it landed there...
who would throw it just away?
sure that its a real phone and not a dummy?
DN41
DN41 said:
okay, you're right...
i cant imagine how it landed there...
who would throw it just away?
sure that its a real phone and not a dummy?
DN41
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Click to collapse
i was in a thread yesterday where some guy talked about how he dropped his phone by accident whilst 'driving along with it in his hand, with his arm out of teh window', so yea, some people are , , well, insert your own noun here
oh no...how can you hold your arm out of the windows with a 500€ phone in your hand?
i just cant understand some people...that doestn go in my mind...
DN41
samsamuel said:
i was in a thread yesterday where some guy talked about how he dropped his phone by accident whilst 'driving along with it in his hand, with his arm out of teh window', so yea, some people are , , well, insert your own noun here
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Click to collapse
I thought the same!
br0adband said:
they call the police and I get in a bit of trouble for no good reason
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Click to collapse
Not really mate. I found an iphone 4 yesterday and managed to get it back to its rightful owner. Took a couple of hours out of my day but what else could i do?
sike222 said:
Not really mate. I found an iphone 4 yesterday and managed to get it back to its rightful owner. Took a couple of hours out of my day but what else could i do?
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Click to collapse
Well, Yeah, with an iPhone 4 what else WOULD you do if you don't want the surgery to be able to use it! LOL
Also think if it was your phone! I'd be absolutely gutted, and very glad to get it back. But maybe it's unregistered (through the IMEI) or not been reported as missing.
In the UK (don't know about elsewhere) if you report that you found something to the police (I found a £50 note) and no one can show that they own it then it's yours after about 28 days.
Unless you have really dumb cops then you shouldn't get into trouble if you take it in!
On the other hand you may find the battery and/or cover if you look carefully in the area where you found the phone.
Sam.
br0adband said:
Ah, ok, so the fact that there's the two metal 'dots' on the HD2 that apparently become a connection when the metal battery cover is in place don't affect powering it up, but no battery keeps it dead? Hrmmm...
Ok, if someone that owns an HD2 can confirm that it becomes very useful info. Take the back cover off, take the battery out, and tell me if plugging in a micro-USB cable (either from a computer USB port or from the AC adapter) allows it to function at all, and then try the same thing with the cover on (don't put the battery in, however).
So there's 3 possibilities:
1) It'll work off the micro-USB power with no battery and no cover
2) It'll work off the micro-USB power with just the cover installed but no battery
3) It'll work off the micro-USB power with no cover but with a battery installed
[snip]
Thanks
Edit:
I think I just realized that the metal contacts on the inside of the back cover and those 'dots' could be because the HD2 is using that battery cover as a Wi-Fi antenna, plate-style antenna.
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Click to collapse
I think those contacts are just to ground the back cover to stop it causing interference. It doesn't seem to affect the phone if I don't have it on or am using the plastic cover with my big battery.
On a similar theme, does anyone know if it is possible to power the HD2 from the micro USB supply while I swap batteries. I don't want to have to do a soft reset which loses what you are doing. But I'm worried that without the battery to absorb the power there is a risk of damaging the circuits?
I don't want to just try it because I already blew my main board by powering the USB through a cheep adapter and a Nokia charger that supplied too much power and had I to get it repaired/replaced. I'm hoping someone already knows
Sam
samsamuel said:
i was in a thread yesterday where some guy talked about how he dropped his phone by accident whilst 'driving along with it in his hand, with his arm out of teh window', so yea, some people are , , well, insert your own noun here
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Click to collapse
did we ever get an answer as to why that, im going to select the noun "twat" was dangling his hd2 out of the window @ 40mph??
I need closure on that one.....
will i able to use the legend without it? cos im geting no signal without any workaround this?
The antenna is housed within rubbery plastic in the battery cover - so no, you won't receive any signal without it.
Had to order a new one and as soon as I put it on signal was back
Tip to everyone try not to lose your battery cover
Sent from my HTC Legend using XDA App
Where did you get the battery cover from? I lost mine and looking to buy one
Someone stole my battery cover once I had set it down on a table.
I'd also like a recommendation as to where I can get a spare.
Sent from my Nexus 7 using Tapatalk 4
aARetur men
i have lost mine although i still get some little signal.. the wireless still works thankfully
I dont know if this is a hardware or software problem. My pen randomly stops working, and sometimes it will be detected when it is not even touching the screen. i changed the battery but the problem still persists. is there anything that i can do about it?
libihero said:
I dont know if this is a hardware or software problem. My pen randomly stops working, and sometimes it will be detected when it is not even touching the screen. i changed the battery but the problem still persists. is there anything that i can do about it?
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Click to collapse
Same thing happened to me not too long ago, I just assumed it was either because i washed it with my clothes or the battery was dead.. i'll look into it a bit more and let you know if I find the cause.
Sent from my Inspire 4G using xda premium
I have this problem too! Either it cannot be detected or it suddenly becomes overly sensitive. Not sure what's the cause, but I think it's the pen.
The way I solve it was to remove and then re-insert the battery. And it will be fine again.
It's kinda irritating especially when I'm taking down notes halfway.
I struggled with the same problem for some time and several fresh batteries later. HTC support was not able to figure it out. In fact, they had no other tickets logged in regards to poor pen behavior.
Here is what worked for me...I finally stopped messing around with the 9v battery hack method. I discovered that the aaaa cells they use to make the 9v are not a perfect 1.5v I guess, since they are linking them in a series, they can get away with lower quality and a slight cut in voltage (tester showed them all 1.3v new). I also stopped with the non-brand name battery. I use a Duracell Ultra now and have had no issues since. They really only cost a few dollars for a pair.
Not sure if this helps you, but thought I'd share.
I ended up opeing the pen and cleaning the electrodes
The pen has been working well fot the last month.
Sent from my HTC Flyer P510e using XDA Premium HD app
alanman said:
I ended up opeing the pen and cleaning the electrodes
The pen has been working well fot the last month.
Sent from my HTC Flyer P510e using XDA Premium HD app
Click to expand...
Click to collapse
Same thing happen to me! Very irritating... sometimes make me feel like throwing the damn thing out of the window.
How do you open up the pen? Care to show us some step by step instruction?
Thank you in advance.
Contacts may need cleaning
I am having the same problems every other month with my HTC EVO View 4G. I bought a six pack of Energizer AAAA batteries (instead of generics) to make sure I had good batteries. And in the past month all my batteries were "bad". I bought a battery tester (a little better than using a regular multimeter since it puts a small load before checking the voltage) and it said ALL my batteries were 90%+ up to 100% (the multimeter all said all of them were 1.45v to 1.51v). So I decided to clean the contacts (without opening the pen since I could not figure it out) using a small screw driver to gently scrap the inside battery contact and electronic cleaning solution in the cap and the spring. Also, for good measure I rub the ends of the battery. So far so good (with the "weakest" battery).
But for those who that does not work, Amazon now has both the black and the silver version of the Scribe pen for less than $10 (free 2 day shipping for Amazon Prime subscribers).
Hope that helps.
I have two OEM extended batteries and both will cut out when device is even slightly bumped. Just putting the phone is the holster turns phone off and you have to power back on. I got a replacement and it did the exact same thing. Standard battery works fine though. Anybody else have this problem?
They don't fit right then. Isn't making proper contact somewhere take off your battery cover and move the battery and see if it reboots. If it does fold up a small piece of paper and shove where it will stay contacted forever. Hope that helps
Sent from my ADR6425LVW using Tapatalk 2
Just tried the paper. No go. I have had both the batteries for almost 5 months now and one started doing it, now the other is doing it. I didn't realize it was the battery until the replacement did the same thing. Had to find my standard battery and that works fine. Can't make it through the day, but at least my phone stays on when I set it down or put it back in the holster. VZW trip today I guess. Glad I still have the original phone to demo with. Nothing says rooted like S4!
The batteries shrunk yes it sounds strange but possible. Verizon should be able to get you one that works
Sent from my Xoom using Tapatalk 2
If you've already gotten a replacement then is likely not the battery shrinking. It's more likely that the battery door isn't holding the battery in place (im assuming they sent the replacement battery sans new back cover) try puttting something between the door and battery.
Sent from my RezAwesome S-Off running Scott's CleanROM 4.5
brycekerr said:
If you've already gotten a replacement then is likely not the battery shrinking. It's more likely that the battery door isn't holding the battery in place (im assuming they sent the replacement battery sans new back cover) try puttting something between the door and battery.
Sent from my RezAwesome S-Off running Scott's CleanROM 4.5
Click to expand...
Click to collapse
The battery door doesn't hold mine in. It should stay in without case like mine
Sent from my Xoom using Tapatalk 2
I just got this battery from ebay:
http://www.ebay.com/itm/260899780576?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
NFC doesn't work. I found a picture of the Korean S2 and it seems the better contacts on the Korean model is on the opposite side as the i777. So it seem the NFC side of the battery is facing inward instead of outward when used with the i777 and I'm guessing that is why it doesn't work.
Anyone with a Korean 2000mah battery that can confirm that NFC does not work?
Very disappointing as the battery was not cheap.
I can't be the only one that bought the Korean battery for NFC and extended life.
Just need need to know if I'm correct and NFC doesn't work.
Anyone?
If you can I would try and get your money back. It sounds like it could be a knock off, as the only extended NFC battery that actually worked had the contacts as normal. Also what have you tried to do, read a tag, beam?
Sent from my SGH-I777 using Tapatalk 2
Thanks for the reply...
I have tried both reading tags ans beaming to my other phone. It all works with. My original battery but not the new one.
Seeing pictures of the Korean S II I noticed the contacts are on the other side thus the batter would have to be flipped to be inserted. This is why I think the NFC side faces the wrong way when incerted in the i777. Both batteries have the small rise on one side where the NFC circuits (not sure what to call them), but when you insert the new "Korean" battery that side faces in instead of out as the battery has to be flipped.
Do you have a Korean battery?
How's your phone now
Sent from my SGH-I777 using xda app-developers app
mrprince123 said:
How's your phone now
Sent from my SGH-I777 using xda app-developers app
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Click to collapse
I've gone back to the stock battery for the NFC functionality. I guess I'm going to look for and buy another stock battery, if I want NFC.
I asked the seller about it and he said:
Hello. Sorry for the inconvenience.
No problem, This is a Original extended back cover and 2000mAh battery.
The EB-K1A2EBSG is the Korean version of the Export Privé, and was supposed to be compatible with all Galaxy S 2 versions.
However, in each country, depending on the carrier that does not support NFC.
Samsung Electronics has confirmed this part.
Please contact the carrier on your smartphone.
For example, AT & T, AT & T, T-Mobile, Sprint and so.
Once again, Sorry for the inconvenience.
Thanks.
When I replied that my stock battery worked fine with NFC and I don't understand how contacting my carrier (AT&T) would help. THen he replied:
Hello. Thank you for response.
Because each country, depending on the version of the NFC-compatible problem occurs.
We do not sell International Version and can not solve this part.
We did guide in the product description. Please refer.
Thanks.
So he's pretty useless.
I have read that others have bought the Korean battery, but never mention NFC functionality. So as far as I can tell if you want NFC stick to the stock battery.
RojasTKD said:
I just got this battery from ebay:
http://www.ebay.com/itm/260899780576?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
NFC doesn't work. I found a picture of the Korean S2 and it seems the better contacts on the Korean model is on the opposite side as the i777. So it seem the NFC side of the battery is facing inward instead of outward when used with the i777 and I'm guessing that is why it doesn't work.
Anyone with a Korean 2000mah battery that can confirm that NFC does not work?
Very disappointing as the battery was not cheap.
Click to expand...
Click to collapse
the nfc wire of the Korean battery is said to be on the other side, opposite to that of the att version. Thus nfc cannot work with a korean battery inside.
bearwards said:
the nfc wire of the Korean battery is said to be on the other side, opposite to that of the att version. Thus nfc cannot work with a korean battery inside.
Click to expand...
Click to collapse
Yes, seems so. Unfortunately, it was posted many times that you needed the Korean batttery if you wanted NFC. There where even several people that had ordered the Korean battery and talk of having to modify the back cover, but no one cought on to the NFC being on the other side of the batttery. At least I saw no mention until I posted it.
I'm back to using the standard battery.
RojasTKD said:
Yes, seems so. Unfortunately, it was posted many times that you needed the Korean batttery if you wanted NFC. There where even several people that had ordered the Korean battery and talk of having to modify the back cover, but no one cought on to the NFC being on the other side of the batttery. At least I saw no mention until I posted it.
I'm back to using the standard battery.
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Click to collapse
I have just caught on to this thread because I just picked up some NFC tags to play around with (until now, have had no other devices/cards with NFC). I also have the Korean NFC battery, and it's not working. I'll test the stock 1650mah battery in a few days when I return home from a trip. It sucks that NFC won't work--this phone with the 2000mah battery is pretty great.
EDIT: stock 1650mah battery works with my tags. So Korean extended battery definitely does NOT do NFC.
Can you remove the front thin layer of the battery and flip the nfc wire to the back? Since its inverted can the nfc work through the front of the phone?
Sent from my Nexus 7
Dimatchka said:
Can you remove the front thin layer of the battery and flip the nfc wire to the back? Since its inverted can the nfc work through the front of the phone?
Sent from my Nexus 7
Click to expand...
Click to collapse
Thought about doing that. It's an interesting idea. And no, NFC doesn't work from the front.
Guys, what is the best battery that won't need to change the cover?
Is there any 1900 or something like that?
Sent from my SGH-I777 using xda app-developers app
I saw only Mugen Power 1800mah for standart back cover. Iam looking for some 2k battery just like for i9100, but nothing
Sent from my SGH-I777 using xda premium
So the official 2000mah battery works. Any that have NFC?
Sent from my SGH-I777 using xda app-developers app
can anyone help me out finding this kit for my gfs att s2?
the ebay listing doesnt work, and the seller doesnt have any items in his store.
Thanx