Here I come to solve problem of your Samsung galaxy Note edge (SM-N915F/SM-915FY). After using that boring touch wiz interface of Samsung, i think you want something new to use like stock android lollipop 5.1.1 for you Samsung note Edge.Thank to Xda dev for this awesome Rom.
Today I came up with download Cyanogenmod CM12.1 custom rom for Samsung galaxy Note Edge it is not yet official but still bug less but there may be some bugs in it.You need a rooted Samsung galaxy Note Edge and a custom recovery in it like cwm or twrp.
Here is the step by step guide to flash Cm12.1 unofficial on you Samsung Galaxy Note Edge.Screenshots
#Bugs and issue in this Cm12.1 lollipop for Samsung Note edge
1.Ringtone only works from internal memory.
2. fingerprint sensor not integrated.
3.CM messenger app does not work.
4.Google camera sometimes does not close correctly.
#How to install Cm12.1 on Samsung Galaxy Note Edge
Warning:This ROM is only for Samsung galaxy Note edge(SM-N915F & SM-915FY)follow below instruction at your own risk.I am not liable of any damage to you device.It is only for the person who is aware of these types of works.
Before flashing custom rom make a nandroid back from the recovery.
2.Now copy both the file in you Samsung Note edge memory.
3.Now Boot Samsung Galaxy Note Edge in to recovery mode by pressing Home+power+Volume UP button at the same time.
4.From twrp recovery, tap on option Wipe -> Advanced Wipe -> check , System, Data,Cache and Dalvik. Then Swipe to wipe it.
5.Now go back and tap on istall now select the CM12.1 Rom.zip from you internal memory where you coped it earlier.Then swipe it to flash
6. After flashing Rom also flash the gapps 5.1
7.Now reboot your device it will take some time in first reboot.
8.After reboot you have successfully flashed Cm12.1 in your Samsung Galaxy note Edge.
►For more information more to this thread in XDA forum