We love transforming phones into a newer model, so whenever a phone gets updated we check to see what kinds of cool stuff we can get on the old one. Sometimes it's wallpapers, sometimes it's a software feature, sometimes it's a whole ROM, like in today's example. In a matter of minutes you can have your Galaxy S6 running a port of the Galaxy Note 5 and all its cool newness.
Note: you're going to need a rooted Galaxy S6 for this to work. If you haven't updated to Android 5.1.1 yet you can still use the Ping Pong Root exploit which is as simple as enabling Unknown Sources in your security settings and installing the Ping Pong Root APK. You'll get SuperSU installed at the same time.
If you're using a later version of Android than 5.0.2 or Ping Pong Root doesn't work for you, just look around for another root exploit. Please note that this ROM port currently only works on the international Galaxy S6 with a model number SM-G920F.
Do not try to flash this on any other model. You'll also lose your data during this process, so make sure you have a backup of any important data. This will also void your warranty.
The port comes from XDA Developer arter97 and he claims it has better memory management and performance than on the stock Galaxy S6 ROM. There still seems to be some issues with the fingerprint scanner and camera so this ROM probably isn't ready to be a daily driver just yet. But if you're adventurous, get flashing, or just keep an eye on the thread until the bugs get fixed.
Naturally, neither arter97 nor AndroidPIT won't be held responsible if something bad happens during this process. It is only for those comfortable with the risks and with a certain degree of know-how to get out of any jam you might find yourself in.
You'll need a couple of things:
A rooted Galaxy S6 (G920F)
CWM or Philz Recovery installed (available with the kernel below)
1. Reboot into recovery (turn off your S6 and press Volume Up, Home and Power)
2. Perform a factory reset and clear your cache partition
3. Flash the Note 5 ROM (“install zip from SD card” and navigate to the file)
4. Flash the custom kernel (“install zip from SD card” and navigate to the file)
5. Flash SuperSU if you want to (“install zip from SD card” and navigate to the file)
Reboot and enjoy the benefits of the Note 5's software on your Galaxy S6. Some commenters in the original XDA thread have had some issues flashing SuperSU, so if you have some as well, hit that thread to look for solutions.