meizu, i does`t buy your phone only because it not has a radio.
It runs Yun OS, a linux ditribution that is based on android, so it doesnt really matter much
I've used a Meizu M2 for quite sometime. The mback button what Meizu uses is something which will make you suffer every single time you use the phone. It works like once in 10 times. Flyme updates are pathetic. Meizu should incorporate an option for having virtual buttons as well in their flyme OS. The M5 looks like a more degrade than a upgrade in terms of specs? No fingerprint? Hmmm.