Boot up on charge. - Xiaomi Mi Mix 2S Questions & Answers

hello i need some help
is possible to startup system when connected to charger or usb cable (when device is off) ?
default runs battery charging logo.

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Prophet isn't bircked, but can't reflash?!

Hi,
Was trying to reflash my Jammin and after it completed and reset, it wouldn't boot with the USB cable plugged in. The screen flashes white, and both LEDs flash simultaneously (red for the top LED, and blue for the bottom), and this is repeated in a boot loop.
A similar thing happens when I unplug the USB cable and press the power button, except that it only happens once then turns off.
However, if I plug my mains power charger in I can get into the boot loader (so it's not bricked) and can in fact boot into the new ROM (Button ROM). Interestingly, in settings the battery indicator says there is 0% battery.
Now I don't think this is a battery problem. I have tried a friends fresh battery and the same things happens. By going into boot loader and switching off with the power button I have also got the original battery to fully charge (until yellow LED turns green).
Here is the thing that has me really frustrated. I can boot into windows (using the mains power cord) and during the boot can change to the USB cord (no reset and boot cycle). So Windows works with the USB in and Activesync detects the phone. However, when I try to reflash to another ROM the update software throws the following error: Error [220] mains battery power, because it reads the battery is less than 50%!!
Please help me!! Any ideas are appreciated.
Gavin.
I'm thinking that I may be able to solve this with the "cutting the mains charger wire trick." This will hopefully provide the necessary power while flashing, and allow me to have a USB/activesync connection at the same time.
Any thoughts before I destroy a perfectly good charger?
well seems I've solved it with a bit of surgery. used this method: http://forum.xda-developers.com/showthread.php?t=319636 and it boots into my new ROM!! Yay!

Powering on without a battery?

Is there any possible way I can power on my Universal without a battery? Please help I need to do this very badly. Thanks for the help.
If you are near pc, you can just take battery off and plug it in pc using usb.
Works for my Kaiser : )
With battery removed Universal will not stay on even for a second. Without battery only orange light turns on but the device remains shutdown if the cable is connected.
On my Prophet at least, if you plug it in, with the battery, and then start up the device, you can remove the battery and have it running off the Mains...
Universal cannot be tricked that way. It turns off, orange light on, when battery removed after connecting cable. Waiting...........

Screen does not turn on or tablet doesn't turn om

Hi all
I Have a GT-N8000 today i worked with it some
and locked the screen.
after ye while when in press the power button the screen does not turn on
i Plugged-In the charger but no battery icon or Plug-In sound
i connected the tablet to a pc but no statement from pc for a usb device
i am very sad pls help me((((
Could be a dead battery or power button stuck .
No!
When i locked the screen it was 50%
and i plugged-in the charger from night to morning i don't think it is for battery
(No Download Mode-No Recovery)
Well if you say no then it could be the USB port fried or the mainboard .
PC - usb i presume you have swapped the usb cable and have installed Samsung drivers .
But when i plug in the charger after a while the device will be hot:|
Is the problem still form USB cable?:S

I CAN NOT charge my smartphone Charge only off or Bootloader

I CAN NOT charge my smartphone Charge only off or
Bootloader is the way it recognizes correctly when connecting and disconnecting the usb cable
Android System Started
On with the USB Cable: Indicates the battery icon as charging but in the state of the phone "indicates you are not ****ting", so disconnect and disconnect the cable does not recognize
On without the USB Cable: Does not recognize anything, neither connect nor disconnect
Loading with the Off: load very slow; By moment turns on and off the screen and shows the logo and then the percentage of battery
same problem but solved finally
Switch off your phone/ let the battery drained to null(recommended)
Try to start your phone at 0% to drain battery.
Screen will show 0% or plug icon.
Then connect charger then , then switch on plug of charger.
After few minutes screen will show battery at 3%.
Let it charged without disturbing, it may take more time.
In my case it take 1-2 days to fully charged.
After fully charged, notification light will show on speaker, then disconnect charger and turn your phone on.
Hope this will solve your problem.
If not repeat same procedure.
***Never turn your phone on/restart while charging it may create the same problem***
If the problem not solved, uninstall or disable "charging related noise problem" system app.
Problem solved
After trying to solve the problem by placing different ROMs and until flashing the Firmware the solution was the following
As the only way to properly load the phone was by bootloader mode; Leave charging the phone that way about 5 hours lego ignited the equipment even charging and that way began normal operation the equipment

Charger plugged off not recognized

Hello all,
I've a strange problem with my N5.
When I plug in the charger, it's recognized and device is charging normally.
But when I plug off the charger, this isn't recognized. Battery icon stays in charging state, even in settings the status is shown as charging.
After a reboot all works as it should until I plug charger in/off again.
This happend with several custom roms I tried as well as after flashing original factory images.
Anybody any clue?

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