Good news for all infinix hot note 2 users. Earlier, is was
officially announced that hot note 2 will port to marshmallow
andriod 6.0 in no time. Now, the update is finally here all
credit goes to the infinix mobility for the the new upgrade.
Here are the new update(andriod 6.0) according to infinix
mobility forum

XUIupgraded to 1.N.3.

Fixed issue where front camera cannot be accessed by non-system apps.

Added video call (only usable if SIM card supports this function)
Fixed one-hand mode malfunction

Fixed issue where Direct Call widget does not display contact avatar.

Removed pin number notification from pulldown bar when Mobile Anti-Theftis activated.

Fixed button overlap with "Just once - Always" and “Home- Back”.

Battery percentage added to pulldown bar. Added quick wallpaper swap for enhanced customization.
Long press theIdle interface, select a
key switch wallpaper from the widget

Screen Record upgraded to V1.0; record toggle
added to notification bar.

Added Xshare function with QR delivery.
Optimized communication module interaction and
visuals.

XACCOUNT registration added to startup guide.
Optimized system stability and performance while
fixing other issues

How to upgrade to andriod 6.0 marshmallow on Hot note 2
The update is out and the update will start rolling out via OTA
update If you cant wait to get marshmallow on your hot note
2, kindly download the flash file and also follow this guide
here to install your new update.

source: www.techfashy.com/2016/03/marshmallow-andriod60-ported-to-infinix-hot-note-2.html?m=1