As Honor promised Marshmallow to the users of Huawei Honor 6 Plus, 6, 4X in Feb or March. Keeping things on track Huawei inviting beta testers for multiple devices to test out the latest Android 6.0 Marshmallow with EMUI 4.2 in UK.
All the major manufacturers of Android smartphones are now upgrading their flagship devices to the latest Android 6.0 Marshmallow. So if you’re from the UK and own the Honor 6 Plus, Honor 6, or Honor 4X, you can now sign up to become a beta tester for the Marshmallow update for your device.
To become the Marshmallow beta tester you have to sign up before January 22nd with the device IMEI number and build number. If you are struggling to find out your IMEI number, just dial *#06# to find it out and build number can be found under the Settings –> About Phone.