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Motorola XT 720 Start up problems

Why won't my XT720 start up?
When it is connected to my charger, the four action keys light up. Despite leaving it to charge overnight, it appears that the battery isn't charging. The phone won't start while it is charging, neither when connected to the mains or to my car power supply.
I bought a new battery without any improvement.
When I access the bootloader screen it says there is too little power in the battery to program the phone.
The phone is not recognised by my computer when connected.
The phone is running Froyo 2.2. with Dexter rom.
I would be very grateful for any suggestions......apart from binning the phone!
Thanks!

I think the phone likes to selfboot with too little charge. See if you can shut it down cleanly so it won't autoboot. It's annoying but you may have to watch it very carefully to catch it when it's trying to boot because it will drain itself back to death very quickly.

Oakham said:
Why won't my XT720 start up?
When it is connected to my charger, the four action keys light up. Despite leaving it to charge overnight, it appears that the battery isn't charging. The phone won't start while it is charging, neither when connected to the mains or to my car power supply.
I bought a new battery without any improvement.
When I access the bootloader screen it says there is too little power in the battery to program the phone.
The phone is not recognised by my computer when connected.
The phone is running Froyo 2.2. with Dexter rom.
I would be very grateful for any suggestions......apart from binning the phone!
Thanks!
Click to expand...
Click to collapse
Hi Oakham, do you have any update to your case? I have the same problem now.
Yesterday, I noticed the battery bar went down to orange region (about 30%?). I plugged it to the wall for about an hour (the charging symbol showed up). Later I found out that the battery bar did not move (still stuck at orange region). Later the night, I tried to charge again (the bar was red at about 15% or less). The charging symbol showed up. Later I checked, the battery bar did not improve but declined. The phone eventually went out of battery and turned itself off.
I tried to continue to charge using both the wall outlet and PC USB. No luck. I could not even power up the phone now. Did you manage to resolve your case? Anyone got the same problem and found the solution?
I thought about buying a new battery to try, but then I saw your post, so I hesitated.
Thanks.

ecwchan said:
Hi Oakham, do you have any update to your case? I have the same problem now.
Yesterday, I noticed the battery bar went down to orange region (about 30%?). I plugged it to the wall for about an hour (the charging symbol showed up). Later I found out that the battery bar did not move (still stuck at orange region). Later the night, I tried to charge again (the bar was red at about 15% or less). The charging symbol showed up. Later I checked, the battery bar did not improve but declined. The phone eventually went out of battery and turned itself off.
I tried to continue to charge using both the wall outlet and PC USB. No luck. I could not even power up the phone now. Did you manage to resolve your case? Anyone got the same problem and found the solution?
I thought about buying a new battery to try, but then I saw your post, so I hesitated.
Thanks.
Click to expand...
Click to collapse
I've had this problem. Watching the phone closely while charging and pulling the battery whenever it starts to boot works. After about the fourth time doing this I got a battery charger from amazon for ~$5 because it's gently loving annoying.
Sent from my XT720 using XDA Premium App

Thanks for your advice.
So when you first bumped into this problem, how did you get it back to boot up?
I followed your advice to watch it while it's charging. When I saw the motorola logo showed up, I pulled the battery. Then I plugged it back and let it charged for some more time. Then I tried to power up the phone. The motorola logo came on and then the big battery symbol came on saying it's 100% full (but i knew it's not). Later, those 4 soft touch button lid on. This cycle repeated. And I'm clueless.
Please let me know the steps you took to recover your phone.
Thanks.

ecwchan said:
Thanks for your advice.
So when you first bumped into this problem, how did you get it back to boot up?
I followed your advice to watch it while it's charging. When I saw the motorola logo showed up, I pulled the battery. Then I plugged it back and let it charged for some more time. Then I tried to power up the phone. The motorola logo came on and then the big battery symbol came on saying it's 100% full (but i knew it's not). Later, those 4 soft touch button lid on. This cycle repeated. And I'm clueless.
Please let me know the steps you took to recover your phone.
Thanks.
Click to expand...
Click to collapse
Once you get into the system use 'power off' from the menu. It won't autoboot then and you can leave it in the wall overnight. I think. A voodoo doll may work, too. It can be really frustrating, but I've been able to get out of it every time so far. Like I said, I got sick of this game and found a battery charger for pretty cheap.
Sent from my XT720 using XDA Premium App

ecwchan said:
Thanks for your advice.
So when you first bumped into this problem, how did you get it back to boot up?
I followed your advice to watch it while it's charging. When I saw the motorola logo showed up, I pulled the battery. Then I plugged it back and let it charged for some more time. Then I tried to power up the phone. The motorola logo came on and then the big battery symbol came on saying it's 100% full (but i knew it's not). Later, those 4 soft touch button lid on. This cycle repeated. And I'm clueless.
Please let me know the steps you took to recover your phone.
Thanks.
Click to expand...
Click to collapse
Try deleting batterystats.bin and doing what M said.. can you get to open recovery and charge from there?

I also had the 'M' logo screen, stuck on-screen when the charger was connected. There is a post which suggests, for this, 'Pull battery.2) Insert battery and hit power button;3) As soon as you hit the power button, hold the volume up button down until the unboxing logo comes up.'
As my phone is still under warranty, I sent it back to see if there is a physical problem. I'll try the above suggested solution when my phone comes back from 'Motorola', whether or not it is repaired by them! I've also bought a battery charger for the phone's BP6X battery from e-Bay (£9.50, including another battery.)At least I will then know that a battery is fully charged before I try fixes.
Thanks for the other posts/replies!

hellmonger said:
Try deleting batterystats.bin and doing what M said.. can you get to open recovery and charge from there?
Click to expand...
Click to collapse
In my experience OR drains faster than it can charge.
Sent from my XT720 using XDA Premium App

Damn!
I had about the same. Battery got drained down from 80% to 5%. Then the screen for "please plug in for charging" appeared. Some moments later the phone went dark and now I can't get it to work again. It doesn't react on the power button. Even when plugged in the charging-symbol doesn't appear. I can't turn it on. Sucks!
Any ideas?

My phone has been repaired by Motorola, under warranty, and returned after four days. Accompanying report is brief: 'Software update and screening'. Seems to be working fine.......just like a brand new phone!

This morning i find myself in the same situation. My phone have the soft keys iluminated but it didint work.OMG... what happend durring the night.So i tried to boot the phone but nothing happend,and after reading tje post on the problem i have tried to remove the battery and put`it back, tryed anothe reboot, and holdind the buttons power+vol up. Nothing worked. But when i have tried the combination power + vol up + cammera shutter and plugged the cable. at first nothing happend. but after i have relesed the buttons the logo apeared and started charging. after that i powerd on my phone normaly

My phone does that everytime it charging and I remove the plug when it's in sleep mode. I have to remove the battery and it's power on normally.
Sent from my Motorola XT720 using Tapatalk

[Q] Blackscreen, cant access my tablet at all

Hello, good morning.
I was using my tablet normally and left it on the desk for to cook lunch and came back finding it blacked out and doesn't respond to anything I do. Doesn't power off, nor power on, no sound, no nothing. Just the tablet as if it's closed. And no it's charged, I tried to put it on the charger as well, but nothing.
It's booted, and it's a GT-N8000.
Note: I'm a new android user.

Did the tablet recently take fall/ beating?
Try pressing the power button for about 15 seconds and seeing if it will power down so u can reboot it
Sent from my C6503 using xda app-developers app

vusion said:
Hello, good morning.
I was using my tablet normally and left it on the desk for to cook lunch and came back finding it blacked out and doesn't respond to anything I do. Doesn't power off, nor power on, no sound, no nothing. Just the tablet as if it's closed. And no it's charged, I tried to put it on the charger as well, but nothing.
It's booted, and it's a GT-N8000.
Note: I'm a new android user.
Click to expand...
Click to collapse
This happened to me once i freaked out.. There is a tread about this somewhere.. If your having the same issue. A app (i do not remember what one) Locked up the device while the screen was off. So i opened it disconnected the battery .
Reconnected the battery put it on the charger and hold the power button 30 seconds and it Booted right up.This was on the original firmware .You can leave it unplugged until the battery is depleted totally and should give you the same results.Well its if the same issue of course..

It didn't fall or break or anything, I didn't even install any new apps lately.
I tried to hold power button forever but nothing, as if its turned off(well its possibly turned off).
How do I take out the battery what so ever?

vusion said:
It didn't fall or break or anything, I didn't even install any new apps lately.
I tried to hold power button forever but nothing, as if its turned off(well its possibly turned off).
How do I take out the battery what so ever?
Click to expand...
Click to collapse
One rare possiblity is that the battery is dead.
Use the original charger and cable and keep it connected to charging for at least 1-2 hrs and then try to turn it back on.
If the battery is fully discharged its not always possible to charge with a generic charger or generic cable.

Xoom locked up completely

Hi
Hoping someone can point me in the right direction.
Basically my xoom seems to be suffering from a problem that quite a few people seem to have had. It locked itself one day when it hadn't been used for a couple of minutes and that was it. Tried the holding of power button + up put it on charge and left it with the green light on for 3 hours still nothing.
tried disconnecting the battery and left it disconnected for a day to see if that worked- Nope
tried a new battery - nope
Tried new top part of case with power switch and volume buttons - nothing
As a last resort I bought a factory reset cable - plugged in and plugged into charger as well and after holding the vol up+down for 20 seconds and then holding the power with them it suddenly sprang to life.............
Now its working fine while all plugged in but the moment I pull the usb cable out its off.
So is this pointing to the battery? ( I have replaced it but its not a Motorola original)
Could it be a charging problem, Although its showing as charging (I haven't pulled the cable yet when fully charged as its still charging but it was at 61%)
or is this something else.
Thanks for any help that anyone can give me

Sorry to hear of your problem, but you may get more responses if you specify which model you have.

wooly1 said:
Sorry to hear of your problem, but you may get more responses if you specify which model you have.
Click to expand...
Click to collapse
lol I spent so much time trying to make sure I remembered everything tried that I forgot the basc info
Its a mz604 wifi only UK xoom
Fingers crossed someone might have an idea?

OK, I may have had some success!
I managed to get it booted up again on the cable and did a battery re-calibration. Pulled the cable out and it powered off again straight away but.................... When I pressed the power button it has booted up and seems to be running fine again.
I'm going to run the battery fully down and then see what happens after a charge so fingers crossed may be good news.
series hoping

ookmonkey said:
OK, I may have had some success!
I managed to get it booted up again on the cable and did a battery re-calibration. Pulled the cable out and it powered off again straight away but.................... When I pressed the power button it has booted up and seems to be running fine again.
I'm going to run the battery fully down and then see what happens after a charge so fingers crossed may be good news.
series hoping
Click to expand...
Click to collapse
The battery re-calibration is only an Android OS issue, and shouldnt be doing anything like this. It gets reset every time you unplug your device from being fully charged.
This almost sounds like a defective battery or a loose battery connection inside. Its possible that unplugging and plugging the battery back in fixed the issue.
Best of luck to getting your tablet back up and running.

[Q] Device Not Charging

Hi Guys,
I have a tablet that my boss gave me today to 'fix'. The problem that it is having is that it isn't turning on, nor does it appear to be even charging. He said he used it until it was dead, then plugged it in overnight to charge, but when he tried it this morning, it wouldn't turn back on. I've had it for about two hours now, plugged into an outlet (the plug is a bulky black 2pronged adapter with samsung written on the side and I have a usb 3.0 plug). I tested the charger out on my Galaxy S5 and it started charging without any problems, so that tells me that the charger is working.
After 2 hours of supposedly charging, when I press power nothing happens. When I press the home button, nothing happens. I read on here that some were having really slow charging times, but I figured after two hours, there should be at least enough power to show the little batter logo on the screen during charging. Now, though, since that indicator doesn't even show up, I'm starting to think maybe I should just take it back to VZW. I was looking at the back of the device to see if it had a removable back cover and maybe resetting the battery would fix it, but I didn't see an indention where you can pull the cover off at (like on the note or my s5).
Any suggestions?

2 hour are not so much, if you used not the original charger. Let it on the charger for around 12 hour and try again - disconnect charger, reconnect again if you can see something...

Plug it in, keep the power button pressed for at least 30 seconds. See if that starts it up.

Hi.
You might try getting an usb volt- & ampere-meter off ebay. They're about 10 bucks or so.
It'll tell you if the tablet is drawing power at all.
Regards
Elo
Sent from my SM-N9005 using XDA Premium HD app

oneplusone phone dead

So I had a extreme low battery alert, where it said cannot boot until more charge.
Stuck the charger in.
Battery wasnt going up.
Now it wont turn on at all with charger in or out.
So looks like either the battery is dead (non swappable) or the usb port is broke so isnt accepting charge.
Wow the phone is only 2 months old.
any ideas? or has to be returned for repair/exchange?
luckily was only using this phone for testing roms and stuff, not daily driver.

chrcol said:
So I had a extreme low battery alert, where it said cannot boot until more charge.
Stuck the charger in.
Battery wasnt going up.
Now it wont turn on at all with charger in or out.
So looks like either the battery is dead (non swappable) or the usb port is broke so isnt accepting charge.
Wow the phone is only 2 months old.
any ideas? or has to be returned for repair/exchange?
luckily was only using this phone for testing roms and stuff, not daily driver.
Click to expand...
Click to collapse
Try plugging into charge on a low power source via USB like a PC or laptop. Anything that isn't direct to a mains socket. It can help slowly replenish the battery, just leave it be for a while.

I just had a similar experience where my phone died overnight. Plugged it into my non OPO charger that I used with my older blackberries.
It wouldn't even turn on after 20 minutes of being plugged in. I decided to use a charger that outputted more energy and it immediately turned the phone on.
My advice, try using different charging sources.
Sent from my A0001 using XDA Free mobile app

I recently had this problem. Solved it with a simple google search which brought up O+'s own help page. Press the power button for 20 seconds 5 times in succession. This simulates a battery pull (there will be a vibration) . Now plug the phone into the original charger and leave it for a couple hours at the least.

You could also try to disconnect and connect the battery. For this you have to open the phone. Here is a little tutorial https://youtu.be/xLB4fhOyvuA
Hope this will fix the problem.

Same thing happened to my sons 1+, This is the reply form CS
Regarding your issue, please try with below steps:
1) Keep the phone for 12 hours without touching and charging...
2) Charge with official charger and usb for 6 hours(after the above mentioned steps) and then
3) Pull off the usb and put back again ... and you may get a LOW battery screen again staying for 4 / 5 mins...
4) Now don't try to boot or anything.. let it charge for 1 hour or more.
5) Now finally boot your device by pressing power button for few seconds
6) Phone should boot normally...
Trying it now