Pair Sony DualShock 4 v2 with Sony Android TV

Question

I am trying to pair a Sony Dualshock 4 controller (CUH-ZCT2E) with my 2015 Sony Bravia Android TV (KDL-55W808C).

The TV has a DUALSHOCKâ„¢4 settings menu, through which one should supposedly be able to pair a Dualshock 4 controller with the TV. The on screen instructions says "press and hold the share and PS-buttons until a white light starts flashing on the controller". The white light starts flashing, but the TV is unable to locate the controller.

Then I found this page listing many Sony Android TVs from 2014 to 2016, including mine, as not supporting the new Dualshock 4 controller (CUH-ZCT2E). Only the older Dualshock 4 controller (CUH-ZCT1E) is supported.

Surely this must be a software limitation which Sony should be able to resolve through an OTA update?
Are there any known workarounds?
Would the sixaxis controller app help me to pair the controllers, and would I require root for that?
Any known hints of if/when Sony is going to add support for the new 2016 Dualshock 4 to their Android TV sets?

Edit 2016-12-08: Sony Nordic customer support didn't have information about if Sony will add support for Dualshock 4 v2.

Update 2016-12-10:
I just found out online that the rollout of Marshmallow to the 2015 (and the spring 2016) TV Sets has begun.

Update 2017-04-25:
The Marshmallow rollout which was halted and postponed by Sony is now officially available as USB download for Nordic customers (link in Swedish). After upgrading to Marshmallow I'm still not able to pair through the Dualshockâ„¢4 settings menu.

— kirodge | Sources

Answer

Yes, it is possible to pair Dualshock 4 v2 controllers on a Sony 2015 Android TV. I have had no success when trying to pair through the TVs Dualshock 4 settings menu, but I successfully paired three controllers (simultaneously) using the Bluetooth settings menu:

If you have a PlayStation - start by unplugging your PlayStation's power cord, since I've noticed that the controllers otherwise sometimes pair with the PlayStation instead of the TV

Press the home button on your TVs remote and go to settings.

Go to bluetooth settings.

Go to device list

Add accessory

Now press and hold the share button on your controller. While still holding the share button - press and hold the PS button on your controller. Your controller's light should, after a couple of seconds, start to flash in a pattern of two short blinks followed by a pause repeatedly. Soon your tv should identify the controller as "Unknown"

Press the "select" button on your TVs remote control (the center button of your remote) to start pairing. The TV will identify the controller as "Wireless controller"

The controllers light will turn solid white when pairing is complete.

You should now be able to control your tv using the Dualshock 4 v2 controller.

If you want to use the controller(s) with PlayStation again, you will need to pair the controller(s) to the Playstation using an USB cable.

While running Android Lollipop I was able to control the TV's menus, play games downloaded through Google Play Store and use the controllers in emulators.
After upgrading to Marshmallow I'm still able to control the TV, but the experience is now pretty much ruined by heavy input lag starting about 30 seconds after pairing. I still hope to find a solution for this.

— kirodge | Sources

Pair Sony DualShock 4 v2 with Sony Android TV

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