I installed it yesterday.
I came from EMUI 4.1.3 of ROM ALE-L21C02B903 (Vodafone).
No problems so far, I just can't activate DT2W!
Reduced usage, with and without wifi, some phone call and consumption is 1% per hour. Very good!!!
In 7 hours, it went from 100% to 93%.
I also installed Footej and...