The ROM is based on Androdi 6.0 Marshmallow and It aims to bring all Marshmallow apps and features on your Huawei Honor 4 or 4X. This is not an official update from Huawei but just a custom ROM which means that the warranty of your phone will void.
As this the first Cm13 nightly of Honor 4/4X there may be some bugs but don’t worry it should be fixed in next nightly.so we request you to test it out and report in the comment section.As this is first cm13 nightly there may be bugs in it I refer you to make the backup of your current rom.Let’s start the guide on How to install Official Cm13 rom on Honor 4/4X
Download both the ROM and Gapps on your computer and then transfer them to the internal storage of your Honor 4/4X .
Installation guide for here