In this guide will tell you how to install Cm13 rom in your device by step by step guide.Just follow simple steps and enjoy Android marshmallow 6.0 in you A7.Just download Unofficial Cm13 rom for Galaxy A7 from below link.
#How to install Cyanogenmod 13 Rom in Galaxy A7
1.Download official CM13 Rom for Galaxy A7 and the appropriate Gapps 6.0 package from the link given below Copy it in your in your device.
2.Now place the Cyanogenmod 13 ROM and gapps 6.0 zip file in sd card.
3.Now reboot into TWRP Recovery mode
4.Then flash CM13 android marshmallow rom and gapps from the recovery in it.
5.Now Clear Cache and Clear Data.
6.Reboot your device.Done! you just flash CyanogenMod 13 from in your Samsung Galaxy A7.Enjoy Android Marshmallow 6.0.