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[Dmitriy <quentama@xxxxxxxxx>]

*** This bug is a duplicate of bug 1554613 ***
    https://bugs.launchpad.net/bugs/1554613

I had same problem. I updated bios from 1.1.7 up to XPS_9350_1.3.3.exe
via Bios built-in tools and usb flash (F12 via boot process) and updated
kenel up to 4.4.9 http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.4.9-xenial/

#~/Downloads/4.4.9$ ls
linux-firmware_1.158_all.deb  linux-headers-4.4.9-040409_4.4.9-040409.201605041832_all.deb  linux-headers-4.4.9-040409-generic_4.4.9-040409.201605041832_amd64.deb  linux-image-4.4.9-040409-generic_4.4.9-040409.201605041832_amd64.deb

# dpkg -i *.deb

And I my screen stoped blinking

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https://bugs.launchpad.net/bugs/1565234

Title:
  Intermittent Screen Flicker on Dell XPS 13 9350

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am using the Dell XPS 13 9350 with Ubuntu 16.04, and I am
  experiencing random screen flickering where the screen will flicker to
  black for a split second. This happens repeatedly every few seconds
  for half a minute or so. Then the issue will disappear for a few
  minutes, but randomly come back. I have experienced using Ubuntu 16.04
  with Unity, Gnome, and XFCE. See LP#1554613.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-16-generic 4.4.0-16.32
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  Uname: Linux 4.4.0-16-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  caleb      1533 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Apr  2 05:06:21 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=ac6dd208-0bc0-443d-bc73-3411a80e0328
  InstallationDate: Installed on 2016-03-19 (13 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160319)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0bda:5682 Realtek Semiconductor Corp.
   Bus 001 Device 002: ID 8087:0a2b Intel Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-16-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-16-generic N/A
   linux-backports-modules-4.4.0-16-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/01/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.3
  dmi.board.name: 07TYC2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.3:bd03/01/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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