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I have a 8125 and I was able to unlock it fine. After unlocking it I upgraded to the underground crossbow edition rom - which the 8125 rebooted and was running. I tried out a couple things and everything seemed to be running/working fine. It was getting late so I put it down and went to bed. This morning when I got up the phone was off so I went to turn it on and nothing happened. I figured it just ran out of battery power plugged in the charger and guess what no red light on. I have tried everything under the sun but I cant get it to charge or startup. Anyone have any ideas? It was working fine.
i know u said u've tried everything and i don't mean to sound like i'm takin the buscuit, but leave it on charge for n hour, then try bootloader. taking the battery out completely for a while could work.
i had so many problems with crossbow! think this was one of them.
Unplugged
Well so far I left the charger plugged into the phone with the battery in it for over an hour now - with no luck. The red charging light doesn't even come on. Did you have that problem? I also left the battery out and plugged in - still nothing. Tried taking the battery out and then putting it back in while plugged in - no go.
I have not tried the "bootloader" - but the phone will not turn on at all or respond in anyway. Its in a powered down state (or so it seems) - I dont think bootloader will work?? But I dont know anything about bootloader - is it on the ftp site and how do I use it?
Any chance the battery could have been completely discharged?..just a thought. I think i read that completely flat batteries wont charge up via usb. Disregard if thats a silly suggestion, just thought id offer my two cents.
try getting a new battery and see if it boots up...it can be your battery.and you are trying to charge with an AC adapter right?
Wall Charger
I am charing it via the wall charger (not usb) and I am going to try to get another battery. Just weird that I never had a battery problem until I install the wm6??!! Unless the damn thing drained my battery dry and somehow damaged the battery. I called Cingular and they are sending me another unit as its still in warranty. So we'll see when I get it - I will try the new battery. Strange. Very Strange - because everything was working last night.
Strange
Well after leaving the battery out all afternoon I took a go at the phone again, put in the battery then turned it on. It actually started booting up - showing the WM6 bootscreen. After about a minute it shut down like it was out of power. Strange. I know the phone is not bricked because if it was it wouldn't have just done what it did. Anyone have any suggestions how to fix it?
Could be a bad battery. You need to test out with some one else battery
HuddaDudda said:
Well after leaving the battery out all afternoon I took a go at the phone again, put in the battery then turned it on. It actually started booting up - showing the WM6 bootscreen. After about a minute it shut down like it was out of power. Strange. I know the phone is not bricked because if it was it wouldn't have just done what it did. Anyone have any suggestions how to fix it?
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Click to collapse
HuddaDudda said:
Well after leaving the battery out all afternoon I took a go at the phone again, put in the battery then turned it on. It actually started booting up - showing the WM6 bootscreen. After about a minute it shut down like it was out of power. Strange. I know the phone is not bricked because if it was it wouldn't have just done what it did. Anyone have any suggestions how to fix it?
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Click to collapse
u shud have plugged it in while it was booting...did u?
New Battery
Well I finally got the new battery I ordered today. When I put it into my phone it will boot into wm6 fine but will not sync with activesync 4.0 or charge via USB or plugged into the wall. I uninstalled activesync, rebooted my computer and installed Activesync 4.5 - but still no luck with the phone via usb syncing with my pc. Also when the phone in plugged into the wall via the wall charger it does not charge. I am beginning to think the port on the bottom somehow was disabled from the rom update, although I dont see any posts with people having that problem. I guess my next option is trying to reflash it to stock rom via a sd card since it wont connect via USB - however I can not find the information step by step how to do this. Can someone point me in the right direction?
Try going to the bootloader screen: Turn off your phone and then hold the camera button while you turn it on. When you are at the Rainbow screen (thats the bootloader) plug in your USB cord. You should see in the bottom left (above the left soft key) where it says USB. If it doesn't then I'd say your USB port is broken (I'm not aware of any ROM being able to disable that).
As for flashing from the SD card, I believe thats documented in the Wiki...
Probably the wrong place but this forum is beyond navigation for newbies like me...
if you have let your battery run dry and can no longer charge and get into your win7 hd2, here's how I did it...remove sim and sd card, plug charger in, it will boot and charge again... worked for me...
I'll make sure to keep this in mind, if it works! I'll make an edit to announce my results when that unfortunate day comes.
Pulling the battery out and sticking it back in works too.
NeoGreendawg said:
Pulling the battery out and sticking it back in works too.
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Click to collapse
not for me. if its really discharged and i remove the battery, put it back, the charge led (orange) goes on and after 5sec its off again and nothing happens
NeoGreendawg said:
Pulling the battery out and sticking it back in works too.
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Click to collapse
Nope, that only works if you still have charge left in battery. removing and putting it back in also unlocks it because if you power on phone with USB in it locks for some reason. Well mine does anyway.
If your battery is completley dead then you have no choice (atm) to either charge the battery externally with a dock or by using a USB cable with end cut off (red wire to positive/black to negative).
NeoGreendawg said:
Pulling the battery out and sticking it back in works too.
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Click to collapse
Yes. That's what I also do many times. Never fails
No need to pull out your micro sd, it might cause your rom corrupt. Be careful!
Here's What works for me
Remove the battery .. put it back ... keep the down volume key pressed n press the power key ... THE phone will be on recovery screen... plug THE usb in .. leave it like this for like 15 mins n now reboot . It will be recharged just enuff to power the phone on ... keep the usb plugged and it will start rechaging ...
None of these tricks worked for me, and I didn't want to cut my usb cable...
But I solved the problem with dual boot. Now I can charge my hd2 when it's turned off, and I even have my battery able to charge up to 100%
I presume the phone will not charge if theres not enough power to enter WP7.
I thought the phone would charge by the USB power lead if its turned off.
I guess enter MAGLDR or the Tricolour screen will allow it to charge?
TheATHEiST said:
Nope, that only works if you still have charge left in battery.
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Click to collapse
I've let my phone turn itself off twice since I've been on WP7 and pulling the battery has been enough to get it to boot up far enough to charge both times so maybe I've just been lucky or maybe the phone shuts down before it's completely discharged...
Oh man, this happened to me the other day. Battery died, phone wouldn't hold a charge. Freaked out!! But after some trial and error it worked.
Its not possible to charge the phone when its turned off?
This happened to me when I was still using WinMo. When I connected the phone to charger, it seemed dead (no led light), but after some time (I left it charging over night) it catched up and charged.
This is not possible with WP7? I wouldnt say, that MGDLR could change the way of charging when the phone is off.
keep an external charger for this problem. at least we can hope in the next update of the ROM will solve this problem
In my case, since I fall asleep while listen to music, in morning I wake up, phone already shutdown and can not boot. Even when I plug in, it boot to htc welcome then reboot.
I have tried to pull out the battery and put it back but nothing happen, my phone keep reboot.
So, I pull out the battery and charge with external charger (can charge battery only without phone). Then after 30min put it back then it works.
Thanks god. So be prepare an external charger because WP drain more power then we thought even with the warning 10%. I can not have enough power left for an over night.
This works for me.
This is known maglard issue. This steps works for me every time.
1. Remove battery and after few seconds place it back.
2. Connect your phone with PC through USB
3. Now enter bootloader by pressing Vol Down and Power buttons at same time.
4. Leave it connected for a few minutes.
5. Disconnect your phone from PC and remove battery for a few seconds.
6. Now place battery back and power up your phone.
7. You will start WP7 and now you can continue charging battery normaly.
MGDLR choose last option
it hapens to me and what i have done is in MGDLR I choose last option an it satart charging after some minutes you have to take out the baterry and reboot
it work for me
Happened to me this morning:
1) Took battery out, placed in cradle, put battery in, and held down 'POWER' whilst it booted to MAGLDR.
2) Selected USB Mass Storage Mode, waited for 10 minutes, pulled the battery out, whilst still in the cradle.
3) Re-inserted battery, allowed WP7 to boot, and orange light came on whilst booting, and started charging in WP7.
Thanks to all in this thread!
Nick
Tghe VOL DOWN + POWER works. Happened to me yesterday and after 10 minutes in tricolor I was able to boot.
Bootloader Charges Battery
VICTORY! I was frustrated, and pulling out the battery for a few seconds didn't help at all. Putting the phone in the bootloader (tricolor) screen for 10 minutes worked for me. Phone is back in WP7 and is charging.
No need to pull out battery just hold down power button boot to magdlr main menu leave charger in for 5 mins than boot wp7 (first option in menu) than shud work
Sent from my HD7 T9292 using XDA Windows Phone 7 App
Last night my battery completely drained so I charged it over night and when I went to power it on it says booting WPH go go go, boots to the HTC green logo screen and powers off. I have been running WP7 flawlessly for 3 weeks now and have not had this problem before. I don't really want to reflash right now because I'm hoping there's a way to salvage everything in the phone.
Are you sure the battery charged last night...reason I ask is...when it completely drains the battery wont charge when the phone is off due to Magldr.
Yeah, it's off the charger right now and it just keeps powering off after the HTC logo
same exact thing just happened to me. I'm going to start from scratch and redo it.
I am curious to know as to what caused this, it's very odd since the ROM has been working flawlessly.
your not restarting with usb cable attached are you?
how did you charge your battery? external charger?
there is some talk that charging in magldr usb flasher mode works dispite no status lights BUT its unclear if the battery controller will auto cut off when full, overcharging could shag your battery
oh a while back i had some odd restart issue too, pretty much as you have mentioned, happened 4 times in a row then worked
Help me too!!!
Me as well, about an hour ago, my battery drained, so I plugged it in, and the phone keeps restarting, but then powers off...
I've kept it on the AC for the past hour, and now it no longer hit's the magldr, it just flashes the screen black, then dies...
Is there a way to JUST CHARGE my battery? Without having it in the phone?
too bad you didnt seach for this issue, i wrote a nice piece that would have got you out of that mess if you hadnt kept restarting it, oh well never mind,
if you cant even get to magldr then your looking at an external charger, you could try connecting up an old usb cable directly to the battery but be very careful!
This happened to my old HD2 after I gave it to my sister once I got my HD7, to enable it to charge again all I did was remove cable, remove battery. Re-insert battery and attach cable, hold down the volume down button on the side of the handset and press the power button.
The phone will turn on and show the tri-color screen. Leave it on this screen for 20 minutes and the battery will charge, then simply reboot and you will be able to boot back in to Windows Phone 7.
TheDisneyMagic said:
This happened to my old HD2 after I gave it to my sister once I got my HD7, to enable it to charge again all I did was remove cable, remove battery. Re-insert battery and attach cable, hold down the volume down button on the side of the handset and press the power button.
The phone will turn on and show the tri-color screen. Leave it on this screen for 20 minutes and the battery will charge, then simply reboot and you will be able to boot back in to Windows Phone 7.
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Click to collapse
Thanks for that tip...I am going to remember it in-case I one day run into the same problem
Hey guys, just wanted to see if anyone else was having this problem, or if possibly my girlfriend has a defective unit. Like i said, my gf has a dvp but when it dies and i connect it to a charger (1 amp) it'll sit for 10-15 minutes and still wont turn on. I was able today to take the battery out, let it sit for a minute, then put it back in and turn it on, and it did just that. And then it showed that the phone was charging. then after a few minutes it turned off.
Anyone else have this problem? Because i know as is, the phone is supposed to turn on automatically because the phone has to be on to charge (a wp7 "feature")
anyone think i have a defective unit? By the way...today when it happened it was the 2nd time its happened to her so far.
simbadogg said:
Hey guys, just wanted to see if anyone else was having this problem, or if possibly my girlfriend has a defective unit. Like i said, my gf has a dvp but when it dies and i connect it to a charger (1 amp) it'll sit for 10-15 minutes and still wont turn on. I was able today to take the battery out, let it sit for a minute, then put it back in and turn it on, and it did just that. And then it showed that the phone was charging. then after a few minutes it turned off.
Anyone else have this problem? Because i know as is, the phone is supposed to turn on automatically because the phone has to be on to charge (a wp7 "feature")
anyone think i have a defective unit? By the way...today when it happened it was the 2nd time its happened to her so far.
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Click to collapse
It's happened a couple times on mine since I got it in late December.
I am currently having this same problem. This is distinctly different from the other crashes (Marketplace/wifi kindof thing), which is often resolved by quickly removing and replacing the battery, which many are waiting for the April 18 Dell firmware fix to resolve. (Better to hold the power button down for 5 secs than constantly remove the back and battery.)
This is different. The phone is quite dead. The power button is completely unresponsive. The battery must be left out for at least a minute. The phone doesn't even charge when in this state, as I left it on the charger overnight. It does recur as well, but I haven't had time to fully investigate. I have had the nodo update for a week prior to this occuring, so that may not be related.
Having the same problem, and as the guy above stated, THIS IS COMPLETELY DIFFERENT FROM THE NORMAL CRASHES. This has started for me since the NoDo update. Pulling the battery does nothing. I just have to leave it sit and come back. Sometimes it restarts on it's own after 5 minutes and sometimes 2 hours. Either way, I am sick of this lemon.
Same here
Hey i am having the same problem also. I thought it was just because my phone completely died. It turned on eventually and then i had it charging overnight and now its doing the same thing. Seriously thinking about going back to android. So many problems.
I'm having a very similar problem to the one described above. Earlier this evening I unboxed a completely new Dell Venue Pro. It was carrier locked to T-Mobile, but I have subsequently unlocked it with the code provided to me from Dell directly. My plan is to use the phone on the Rogers network in Canada, and right now there is no SIM card in it.
Anyway, the phone refuses to charge properly. When it has the battery in it, and I try plugging it into the wall, the phone shows a full screen icon of a battery with a AC plug on it (I assume this means the phone is fully charged.) However the moment I unplug it the screen goes dark and there is no way of turning it back on. I've tried holding the power button, I've tried pulling the battery, putting it back in, and then holding the power button. Nothing seems to work.
If I plug in the phone into the wall with no battery in it. I can get into the OS. If I then put the battery back into the phone while it is still charging, it'll show that the battery has no charge. After a few minutes (in the ball park of 5-10) it'll again show the full screen icon of a battery with a AC plug on it.
I've compared this to my friend's Samsung Focus which was plugged in when it has no charge. The Samsung focus will show a full screen critically low battery icon when first plugged in, then as it charges we'll get a full screen low battery icon, and then the Windows Phone 7 OS itself will load. (It is still not fully charged, so I do not know if we ultimately get the full screen icon of the battery with plug.)
Both phones (Samsung Focus and Dell Venue Pro) have been charging for over 2 hours now. The Samsung Focus is in the WP7 OS and shows an increasingly charged battery. The Dell Venue Pro still has that full screen battery+plug icon.
The only way I can access the WP7 OS on the Dell Venue Pro is to take out the battery and plug it directly into a wall, or directly into the computer. I have succeeding at carrier unlocking it and upgrading the OS all the way to Mango using this approach. However the phone just refuses to run on battery power.
Has anyone else run into this problem? Do you think it is the phone, or the battery itself? Any advice would be appreciated.
P.S. Sorry to bump such an old thread, but I'm a n00b, and the video said to find a thread related to my problem, and post there.
Edit: So the Samsung Focus finished charging. It lets me interact with the WP7 OS, and does not have the full screen battery with AC plug icon. Although it does have a much smaller version of the icon on the top of the screen where the remaining battery icon is.
demondo said:
If I plug in the phone into the wall with no battery in it. I can get into the OS. If I then put the battery back into the phone while it is still charging, it'll show that the battery has no charge. After a few minutes (in the ball park of 5-10) it'll again show the full screen icon of a battery with a AC plug on it.
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Click to collapse
Sounds like something my phone did a few months ago. I was able to resolve the issue by following the steps in the post below.
http://forum.xda-developers.com/showpost.php?p=11699369&postcount=10
The issue hasn't happened since. Not sure if it's the same issue but give it a try and see if it helps
THANKS, it worked!
I know I tried those steps (from the same post) before upgrading to Mango and it didn't seem to work. After upgrading to Mango, it did work. The only variation I made to the steps was that when you try to shut down the phone (while holding the power button) I also swiped downward, as that is now needed with Mango.
demondo said:
THANKS, it worked!
I know I tried those steps (from the same post) before upgrading to Mango and it didn't seem to work. After upgrading to Mango, it did work. The only variation I made to the steps was that when you try to shut down the phone (while holding the power button) I also swiped downward, as that is now needed with Mango.
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Click to collapse
Hi demondo, im having the same exact problem as you and im also with mango, can you please explain a little better what you did ? Until now nothing had sucess for me
Thanks
Hi Mauriciovsky,
I do not know what the minimum number of steps is to get rid of the problem. Here's what I did, but probably some of it isn't needed:
Charge the phone (with battery in it) using the AC adapter for a few hours with the bettery + plug icon. (I charged it until a Samsung Focus was fully charged.)
Unplug the charger.
Take out the battery.
Plug in phone to computer over USB.
Update the phone all the way to Mango. (You know you're in Mango when holding the back button brings you to the tile view of your running applications.)
With phone still plugged in to USB, plug in the battery.
(MAYBE) unplug the phone from USB. I can't recall if I did this step or now, I don't think so, but maybe.
Either way, turn off the phone. This is done by holding the power button for two seconds and then swiping downward when instructed to do so.
Unplug the phone if you haven't done so earlier.
Hold the power button for two seconds, then let go. The Dell logo should appear, and the phone should boot.
Sorry I can't give you a more concise explanation. However, the phone has been working great in the few hours since the problem went away. Hopefully it'll work for you too.
demondo said:
Hi Mauriciovsky,
I do not know what the minimum number of steps is to get rid of the problem. Here's what I did, but probably some of it isn't needed:
Charge the phone (with battery in it) using the AC adapter for a few hours with the bettery + plug icon. (I charged it until a Samsung Focus was fully charged.)
Unplug the charger.
Take out the battery.
Plug in phone to computer over USB.
Update the phone all the way to Mango. (You know you're in Mango when holding the back button brings you to the tile view of your running applications.)
With phone still plugged in to USB, plug in the battery.
(MAYBE) unplug the phone from USB. I can't recall if I did this step or now, I don't think so, but maybe.
Either way, turn off the phone. This is done by holding the power button for two seconds and then swiping downward when instructed to do so.
Unplug the phone if you haven't done so earlier.
Hold the power button for two seconds, then let go. The Dell logo should appear, and the phone should boot.
Sorry I can't give you a more concise explanation. However, the phone has been working great in the few hours since the problem went away. Hopefully it'll work for you too.
Click to expand...
Click to collapse
Thanks a lot for the help demondo and the other guys
I had the same problem: my DVP's, running WP7.5 "Mango", battery got drained and when I tried to turn it back on it would not boot, not even when I hooked it to a power outlet. I finally got it running again, here's what I did:
1. Take out the battery.
2. Turn it on (you should see the Dell logo by now).
3. Put the battery back. (It will alert you that the battery is critically low).
4. Charge it.
*Hope this helps*
Hey all.
So I have an s4 that was running safestrap and hyperdrive. It all worked fine and I was having no problems. The phone froze (programs not responding, not a big deal.)
I did a battery pull and then the phone would not turn on again. When I put the battery in, it turns on for about 5 seconds. I managed to get it into recovery and download mode, however it turns off almost as soon as I get there. I checked with a different battery, but nothing.
I would ODIN it and everything would be fine, but it won't stay on long enough for my computer to even recognize it.
Also, I tried leaving the phone on the charger overnight, but it won't charge the battery or show the red LED. I felt for heat to see if it was hot around the usb/charging port but it wasn't.
Any ideas?
I'm sure you tried this, but did you try to use the USB cord to power and not rely on the battery?