TeamHorizon's XenonHD rom builds for Samsung Galaxy J5 2015!
http://www.xenonhd.com/
XenonHD is a custom firmware aka ROM for various Android devices. It is based on LineageOS 14.1 with additional features, performance and battery life improvements.
The idea behind XenonHD is to give users a ROM that is "blazing fast, rock stable and buttery smooth".

Device Sources:
android_device_samsung_j5ltexx
kernel_samsung_j5lte
proprietary_vendor_samsung_j5ltexx
Flashing Instructions:
To install this ROM you will need to have a latest custom Recovery such as TWRP installed.
- Copy the downloaded ROM to your phone.
- Boot into your recovery
- Back up your ROM
- Enter recovery
- Make a full wipe (system, data, cache, dalvik)
- Install the ROM
- Install GAPPS package
- Reboot - the first boot can take up to 5 minutes
ROM Download Links:
XenonHD-170709-Official-j5ltexx.zip
Recovery:
Official TWRP-3.1.x
Gapps: opengapps.org
XDA:DevDB Information
XenonHD, ROM for the Samsung Galaxy J5
Contributors
Has.007, SoUnd001
ROM OS Version: 7.x Nougat
ROM Kernel: Linux 3.10.x
Version Information
Status: Stable
Created 2017-07-17
Last Updated 2017-07-17