Database Users

[Q] [NAND] How to charge an empty battery?

NAND is a new experience with HD2 but what if the battery gets empty?
Mine won't recharge.
The LED lights orange but there is no recharge.
Seems like the devs have forgotten this very important thing...
Any ideas?

plug in the usb cable
then turn it off it wont shutdown completely and red led will turn on

Proz00 said:
plug in the usb cable
then turn it off it wont shutdown completely and red led will turn on
Click to expand...
Click to collapse
Thanks, but the phone is off (battery is completely empty)...
Orange light is on but it does not charge...

Pull your battery out and also the plug. Wait one minute. Put in the adapter first, let it charge for 3 minutes, then startup the device. Pls do and report back
Sent from my htc_bravo using XDA App

With the phone off it should just charge, magldr doesn't load until turned on so its not nand related
Are you using usb charger or mains?

Ok, thanks. I will test it.

whynot66 said:
With the phone off it should just charge, magldr doesn't load until turned on so its not nand related
Are you using usb charger or mains?
Click to expand...
Click to collapse
how couldnt it be nand related, when this problem came up with magldr and stuff lol.
it is a magldr bug.

simax said:
how couldnt it be nand related, when this problem came up with magldr and stuff lol.
it is a magldr bug.
Click to expand...
Click to collapse
You tell me if I'm wrong but he's trying to charge his phone witch has no power the phone is off and it won't charge so how is that nand related?

If it is a battery that has not been used for a LONG time then you must "shock" it to be able to charge it again. Use a standard 9V alkaline battery and connect the +, - poles to the HTC battery +, - poles respectively using 2 wires - do that for 30 to 60 seconds. Then put the HTC battery back in the phone.
WARNING: Do NOT connect the 9V alkaline battery to the phone. Only to the HTC battery which you have removed from the phone.

Lol same thing happen to me yesterday i charge the phone for 10-15 mins then unplug the phone and pull battery then start the phone once completely in android replug it. I think dft said it was a known problem for nand to not start sometime when plug in although it only happen to me when I'm completely drained.
Sent from my HTC HD2 using XDA App

whynot66 said:
You tell me if I'm wrong but he's trying to charge his phone witch has no power the phone is off and it won't charge so how is that nand related?
Click to expand...
Click to collapse
its a bug caused by magldr believe me
its already a known problem.
you wont get charging issues with winmo rom (yes, while off)

phone wont turn on
the same problem happen to my battery in nand android is empty and when charge the orange light bulb wont turn on.help

simax said:
its a bug caused by magldr believe me
its already a known problem.
you wont get charging issues with winmo rom (yes, while off)
Click to expand...
Click to collapse
I'll take your word for it he's probably fixed it by now anyways

Charging while phone is off is buggy for me since I installed MAGLDR.
For example sometimes orange light bulb freezes turned on even i unplug the cable, until I pull the battery.
Firsty I thought that the problem is impossible to be caused by magldr, but now lots of people with magldr installed are experienced battery charging problems ... interesting.
--
PS: Charging on Android was also always buggy for me since the first HD2-Android release.
Some of the problems (randomly happens):
1- Charging stops when it hits to %90
2- Battery level jumps from %90 to 100% while charging (according to the JuicePlotter app, it draws battery graph by time)
I'm using TMOUS HD2 and tried every single Android build since the first release.

simax said:
how couldnt it be nand related, when this problem came up with magldr and stuff lol.
it is a magldr bug.
Click to expand...
Click to collapse
simax said:
its a bug caused by magldr believe me
its already a known problem.
you wont get charging issues with winmo rom (yes, while off)
Click to expand...
Click to collapse
I have reproduced this case several times,
but no, I don't have magldr installed,
only winmo and SD android.
I presume this is the bug of HD2 in general, that it won't charge when the battery level is 1% or bellow. Several occasions the phone was shut down during the sleep. Woke up and plug the charger and it always gives me orange-dim-green-dim-red-dim and so on,,, (note that this is in WinMo) and after turned the phone on, it stops charging and 15 seconds after booting, it shut off.
what I always do when I encounter this is performing battery cycles reset.
or,,, just uninstall the battery, wait for 10-30 seconds, re-install the battery, and with the phone off, charge the phone using wall charger.

These are the dangers playing with ROMS people. The rom controls vital functions of the hardware, including the way the system charges. This is a serious flaw that must be addressed immediately, and imo should not have been released if known about. The new territory of nand builds could even brick our phones permanently. I wouldnt mess around without reading reviews first. Android devs here have been quick to release builds overnight because they know it's just running off the SD card and can always be wiped back to winmo. Not anymore, these builds need SERIOUS testing first before being released to the general public.

This is caused from NAND Magldr.
If you have a cable plugged into your phone, either wall charger or USB, it will freeze when the phone shuts down.
Solution!!
Dont have the cable plugged in while powering down android.
If your LED stays orange after unplugging, pull your battery for 3 seconds and start again, it will only do this upon shutdown with some kind of cable plugged in.
This has never happened before Magldr.

This is a big issue... I dont know when Devs Team is gonna look into this and fix it...
Would it brick my phone?

No it won't brick your phone...how I solved it...discussed a couple days ago, here...
http://forum.xda-developers.com/showthread.php?t=924347
Good luck...

[Q] After several cycles on WP7 HD2 won't charge

After several cycles on WP7 the batt was fully drained and now it won't charge (charge LED goes on for few seconds and then goes off). It won't load either, just switches off on DFT screen. Batt is standard.
Guess it is critical not to allow batt to drain fully on WP7?
Is there any solution to this?
Thanks for any ideas.

Had a similar problem with Android...battery drained completely and wouldn't charge. I solved it by cutting the end off of a spare USB cable, removing the battery, and charging directly from the cable (red wire to positive/black to negative). After about twenty minutes I put the battery back in the phone and it booted Right up. Or, if you have more sense than me, you could just pick up an external battery charger...I'm just the hack apart a cable and do it caveman kinda Guy...
Sent from my HTC HD2 using XDA App

I can confirm a similar experience; I thought it was worth trying the fully-drain-then-fully-recharge regime suggested elsewhere on these forums as a means of extending battery life, which does struggle a bit on WP7.
The fully discharge bit was easy, but it is worth everyone bearing in mind that magldr - as advised, I believe - will not allow the phone to charge. As a result, I was getting into WP7 (just) only for it to almost immediately shut down. But it was at least doing a small amount of charging before it did.
After a sweaty fifteen minutes or so of restarts (I was having to take the battery out to force the restart as it wouldn't start on the power button), it decided it had enough charge to...well, charge and all was well.
My suggestion would be not to risk going beyond the critical warning WP7 gives, at least until magldr is able to offer charging.

Almost the same issue here, without having let the battery fully drained...
I can't charge my hd2 anymore.....if it's turned off.
But, it Can be charged if wp7 is running! I don't know why...
I had This issue when I received the phone. It took me a whole Day to charge the battery the first time : orange LED turning off after 10seconds (HD2 switched off or in wm6.5
Once the led is off, can't turn the phone on or charge it again until I remove and put the battery back.
It was in summer so I thought the phone was too hot, so I cooled the battery with a fan, replaced it, retryed... At least 10times, and it finally charged.
SO weird, I'll test This again with wp7, who knows?

I am wondering whether it is some kind of magldr bug?
I'll try the trick with the cable directly to the batt. It is not very practical though if you drain your batt, where there is no access to spare cabling.

bdkinney said:
Had a similar problem with Android...battery drained completely and wouldn't charge. I solved it by cutting the end off of a spare USB cable, removing the battery, and charging directly from the cable (red wire to positive/black to negative). After about twenty minutes I put the battery back in the phone and it booted Right up. Or, if you have more sense than me, you could just pick up an external battery charger...I'm just the hack apart a cable and do it caveman kinda Guy...
Sent from my HTC HD2 using XDA App
Click to expand...
Click to collapse
This should be put into the sticky rollup thread for people who have let their batteries drain.
Why dont you do some pics bud and create a topic?

I am cutting the cable as I write. Will take some pics.

If your battery drains completely, just remove it, replace it back. Without starting the phone, connect it to your PC. start and enter the bootloader. You'll be then able to charge. I did it like that last week.
Sent from my HD7 using Board Express

Running cable directly to the batt is confirmed to work. Just revived mine with this trick.

jemaho said:
If your battery drains completely, just remove it, replace it back. Without starting the phone, connect it to your PC. start and enter the bootloader. You'll be then able to charge. I did it like that last week.
Click to expand...
Click to collapse
How do you enter the bootloader, if the phone is not responsive at all?

adminlt said:
I am wondering whether it is some kind of magldr bug?
Click to expand...
Click to collapse
Less of a bug and more of an unwanted side-effect of having this excellent capability, I think. I seem to recall that the developers are aware and looking to see what can be done.
adminlt said:
How do you enter the bootloader, if the phone is not responsive at all?
Click to expand...
Click to collapse
I guess it is possible to completely drain the battery, in which case this won't work. But if there is some power, removing the battery and replacing it should kick the phone into life for long enough to do this. This was going to be my first try if persistent rebooting hadn't eventually worked.

having this problem and definitely charging below the amount...
i cant fully charge the battery as well

Like I said, if connected, but not started, to your computer, you'll have enuff time to start it then and entering the bootloader, of course, you gotta be quick for this to work.
If it doesn't respond, don't laugh, confirmed to work, remove your battery like explained and put it for some mins in the fridge before replacing it (it's only chemistry playing here, somehow better than cutting a USB cable in 2).

jemaho said:
Like I said, if connected, but not started, to your computer, you'll have enuff time to start it then and entering the bootloader, of course, you gotta be quick for this to work.
If it doesn't respond, don't laugh, confirmed to work, remove your battery like explained and put it for some mins in the fridge before replacing it (it's only chemistry playing here, somehow better than cutting a USB cable in 2).
Click to expand...
Click to collapse
You know nothing about chemistry at all! Cold kills battery charge if your going to use temperature use your armpit for 5 mins!

double post oops please delete

lilikin said:
double post oops please delete
Click to expand...
Click to collapse
"storing them in the freezer might be more practical. These kinds of batteries lose their charge after a few days when kept at room temperature. But they'll retain a 90% charge for months if you store them in the freezer. Just like alkaline batteries, you'll need to wait until they've warmed up before using them. However, this isn't a problem when you need new batteries for your digital camera or other electronic gadget. "
I suggest you to be more polite when answering and learn your lessons before posting!

I finally made a dual boot Android/WP7.
At first, Android said my battery was fully charged, just like WP7, which is totally impossible as I used MAGLDR to format the SD card (wp7 & android partitions) and that it took me almost 1hour, without any possible way to charge the battery while I'm in bootloader mode.
But when I turned the phone off, plugged into the wall.......TADAA It was finally charging, with phone turned off
So, it seems that dual boot may be a way to solve this issue

jemaho said:
"storing them in the freezer might be more practical. These kinds of batteries lose their charge after a few days when kept at room temperature. But they'll retain a 90% charge for months if you store them in the freezer. Just like alkaline batteries, you'll need to wait until they've warmed up before using them. However, this isn't a problem when you need new batteries for your digital camera or other electronic gadget. "
I suggest you to be more polite when answering and learn your lessons before posting!
Click to expand...
Click to collapse
You're arguing against yourself here aren't you? Cold may be fine for storage but you need heat to coax a little more power out. You even say 'you need to wait until they've warmed up before using them'.

adminlt said:
I am cutting the cable as I write. Will take some pics.
Click to expand...
Click to collapse
If you could do some pics that would be great...I have two, "My computer's broken," calls to deal with today. Visuals might help some...it's appreciated.

Wrong idea, sorry guys.
I thought that HD2 was charging since I installed WP7 and Android in Dual Boot. But it's a fake : if the phone is turned off, and that I plug it, the orange led turns on. But that's all, even if I unplug the phone, the led remains turned on !!
And now, Android as well as WP7 are telling me that the battery is fully charged but I'm sure it's not even 50% full.

[Q] HD2 won't turn on/charge

My Phone won't turn on, even to load into magldr when charged. The phone sometimes vibrates when I plug it in, like it's trying to turn on, but doesn't have enough battery to load into magldr to charge...
The phone worked fine before (except semi-regular restarts, probably due to the memory card), so do you think the battery is the issue? If so should I just buy a new one and hope that it has enough charge to load magldr, then charge, or is there a way to charge the battery whilst it's not in the handset?
Cheers

Try making sure that the pins are both aligned to the battery.

thanks, you just saved me a tenner
can't believe i didn't think to check that...

axw820 said:
thanks, you just saved me a tenner
can't believe i didn't think to check that...
Click to expand...
Click to collapse
No Problem

Incidently, i know you got it fixed which is great but for the record and anyone else searching for this.
If your battery is nackard and you cant get to WP7 and MAGLDR isnt able to load to start charging that way you can try to warm up the battery a bit, dont use a direct heat source, but just warm it slightly, dont over do it, or it might blow up, you'll help the chemical reactions inside which "might" be enough to get you in to magldr or even WP7 its self
anyhow, glad you fixed it!

If my battery dies completely, sometimes it wont turn back on and wont charge. But I found that if you pull the battery, plug the charger into the phone, and then put the battery back in while its plugged into the charger, it seems to fix the issue. It turns the device on and begins charging once again.

Hamburg said:
If my battery dies completely, sometimes it wont turn back on and wont charge. But I found that if you pull the battery, plug the charger into the phone, and then put the battery back in while its plugged into the charger, it seems to fix the issue. It turns the device on and begins charging once again.
Click to expand...
Click to collapse
amazing advice! thanks given =D

[Q] HTC HD2 died and now won't charge.

Hi,
Since yesterday my phone (leo/hd2) died and when ever i tried to charge it it would go in to a boot loop then back to normal booting (as in wp7 bootscreen) but now a day later it won't even charge! I have checked the pins tried different cables and still nothing. Also there is a small red tab on the bottom of the battery near the connecter which used to be pink.

Maybe your battery is completely drained? If so, check here.

it won't even turn on so i can't perform this > does this mean it's dead?

have you tried a different battery because you have used a WP7 rom and when the battery drains out it can not be charged ( unless charged on another phone) so i recommend you using a different phone to charge your battery or get another battery into your phone

Thanks, i'll try that now. But does the red tab mean anything?

Hi,
I have this very often. Problem is that your battery is completely drained and the phone doesn't have enough power to start.
This is how I solve it:
start charging your phone
when it switches on, keep pressing the power on/off button
you'll arrive in the magldr boot screen.
just wait for about 5 to 10 minutes
start windows phone (it's possible you'll have to remove your battery and put it back in your phone).
Voila WP7 starts without any problem.
good luck!

try an external battery charger/universal battery charger. (i recommend keeping one handy whenever u r messing with wp7)

Lol, Now the phone won't charge at all! :O wtf! Piece of crap HD2 >

nabs001 said:
Lol, Now the phone won't charge at all! :O wtf! Piece of crap HD2 >
Click to expand...
Click to collapse
Piece of crap?
Whoa, cannot agree there...
If you carefully follow all the tutorials, hints and tips here at xda, HD2 runs fast and smooth with several OS´s of your choice.
However, there is still a possibility that your device is defective. Or the cable. Or whatever. But that doesn´t make HD2 a piece of crap in general.

Lol, its the charging port and a defective rom once i fix both i will have to go back to miui ;( Is there any rom which allows charging while the phones off.

Hi,
It's not the rom, it's magldr...
Koen

What do you mean? Do i need to downgrade? Can you charge while it's off?

if u have 1.13 and u can reach the magldr screen then plug it in,quickly switch it to usb masstorage mode. but dont keep it there for long as the screen will be awake all the time.
try keeping it that way for 15-20 mins,it shld give u enuf juice to boot it up

nabs001 said:
What do you mean? Do i need to downgrade? Can you charge while it's off?
Click to expand...
Click to collapse
what he meant was that,its not the ROM's fault that u cant charge it while the phone's off,
you see,whenever u plug in a switched off phone,it quickly boots into the magldr mode,before booting ANY OS( or any version of any rom ),and thats y it wont charge while switched off(unless future magldr provides this function)....the only reason WinMo cld charge your phone while switched off is that it dint need MAGLDR before booting
try the usb mass storage method if possible,it works
hope i helped ya
dont forget to thank all the hardworking developers

I always have a problem with aftermarket chargers and charging through USB. It won't chargers in both scenarios....any body has an idea on that?
When my HD2 completely drains i just attach the (original) charger and it will start cycling boot...but eventually the battery will be charged.

[Q] Cant boot. Battery wont charge?

hey guys.
charged battery at night used it at work all day came home around 10 and battery was on 1%..went upstairs to charge but phone but was dead. when plugged into wall phone boots for 2 sec then turns off and boots again for 2sec....constantly looping like this? im pretty sure i just need enough charge so that i can boot into android and ill be sweet. but doesn't even get half way there!?
need help. cant charge.
im leaving the battery out for the night and im gonna try again tomorrow but any suggestions would be great!
thanks

Not sure but you can try this: hold down power button till mgldr menu comes. Stay in mgldr menu for some time and get some charge,then reboot.
Sent from my HTC HD2 using XDA Premium App

Phone will not charge on magldr screen. Android needs to be booted to charge.
Get old USB cable, mini or micro, cut end off, bare red and black, take battery, connect red to + and black to - ,plug into wall charger and hold wires on battery for a minute or so, reinsert battery, should be charged enough to get far enough into booting to start charging.

First.. i had the same problem.
it have to charge while off.
before you cut off things, check the batterypins. one of them was broken on my HD2 (i saw one of them below my battery).
if so, try to hold that broken pin back while insert the battery and try again.
you could also buy a dockingstation (something like that: http://www.amazon.com/Fosmon®-Premi...P2YS/ref=sr_1_4?ie=UTF8&qid=1313518480&sr=8-4) to charge batterys.

I had the same problem once, I`m not 100% sure how i solved it but I think that I pluged it in that it started booting and removed then the battery. I think it doesnt start automatically if you reinsert the battery then... but I´m not sure about it...

mmattes said:
I had the same problem once, I`m not 100% sure how i solved it but I think that I pluged it in that it started booting and removed then the battery. I think it doesnt start automatically if you reinsert the battery then... but I´m not sure about it...
Click to expand...
Click to collapse
thats correct, but relies on the bootloader being able to charge when off, so this method of fixing the discharged battery problem only works with winmo or cLK

Your right i had that Problem in the time i was running it with winmob andere haret
Sent from my HD2 using XDA App

Charge while in bootloader or hard reset screen, it should charge from there.
However, the charging process using the aforementioned methods is kind of slow.

hey guys. thanks for your responses. i have left it overnight and it doesnt get to the 1234 bit. i have 3-4 cords so i cut one up however it has blue, red, white and green cords....whats positive and whats negative?
also my pins are fine.
this is killing me!

Thank you to samsamuel, i ended up cutting my old cable. connected the red cable to + and the white cable to - and left it for a hour. just booted my phone back up and got 1000 msgs and emails lol and im on 84% battery.
thanks again to everyone how posted!
much appreciated!

Good to hear,, for anyone else thinking of trying it, an hour is pushing it a bit, you are running the risk of damaging the battery since the charge control circuits aren't being used.

What Android build is this? I remember having a build once that required a special key combination to charge the phone up. I think it required you to hold the volume down and power while plugged in to the charger and it could charge from there. I don't remember exactly though.

mziol said:
What Android build is this? I remember having a build once that required a special key combination to charge the phone up. I think it required you to hold the volume down and power while plugged in to the charger and it could charge from there. I don't remember exactly though.
Click to expand...
Click to collapse
Nothing to do with the build,,, if you have magldr installed the phone must be on and booted into android to charge.

samsamuel said:
Nothing to do with the build,,, if you have magldr installed the phone must be on and booted into android to charge.
Click to expand...
Click to collapse
EDIT: I realize now that it must have been something else, can't charge in HSPL or MAGLDR (duh). I have no recollection of what though (if anybody knows, let me know because it's driving me nuts now!)
OP, you do also realize that instead of cutting up wires you could get an external charger for your battery and just charge the battery alone, right? If you've wanted to buy one of those fancy desk docks you could get one that also charges a battery behind the phone