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[Launchpad Bug Tracker <1445913@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-touch-meta (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1445913

Title:
  System hangs on restart on the Bq Aquaris 4.5

Status in ubuntu-touch-meta package in Ubuntu:
  Confirmed

Bug description:
  It now happened the second time that I was not able to initiate a
  restart of the system on my Bq Aquaris 4.5. This happened after I
  pressed the power button for a few seconds and afterwards selected the
  restart option.

  Other symptoms are:

  - The white screen with the black bq logo does not appear. 
  - Instead, a pale violet background is permanently shown. Backlight of the display is on.
  - The phone cannot be turned off by pressing the power button for longer.
  - If the phone is connected to my desktop using an USB cable, the device is recognized but cannot be mounted.

  Since the battery cannot be physically removed on that phone, the only option to solve the situation was for me to let it run
  out of battery power until it turns off by itself. Afterwards, the phone can be put to live again after connecting the power cable.

  It appears as if the phone is hanging in the boot loader. The problem
  may be more prevalent when battery power is already low (<50%) the
  time the restart is initiated.

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