Understanding the journey of the Honor 7X's software helps you know which version your device should be running.
Given that the Honor 7X is now legacy hardware, you have two paths:
Ensure your Honor 7X has at least 60% - 70% charge. honor 7x global firmware
If official methods fail, you can find regional "flash files" on third-party archives.
Go to Settings > System & updates, and touch Software update. HUAWEI Global Understanding the journey of the Honor 7X's software
If you choose stock, the is your safest bet. For enthusiasts, check XDA threads for Project Treble GSI ROMs.
The Honor 7X runs on Android 7.0 (Nougat) out of the box, with Huawei's EMUI 5.1 skin on top. The global firmware review unit we tested had the August 2018 security patch, which is a bit outdated. The EMUI interface offers a clean and intuitive experience, with features like gesture navigation, themes, and more. Go to Settings > System & updates, and touch Software update
Press and hold the buttons simultaneously.
A complete backup of your data, as this process will factory reset your device. Step 1: Download the Correct Firmware
If you absolutely need a newer Android version, look for "Haky86's AOSP 9.0" on XDA, but do not call it Global firmware.