Xiaomi isn't doing very well these days. Their growth fell off a cliff last year, and is very unlikely to recover to the brief glory days. The smartphone market is going to grow extremely slow from here forward. Xiaomi will end up as just another irrelevant smartphone maker, in a heap of dozens of them like HTC or Motorola.
http://fortune.com/2016/01/15/xiaomi-smartphone-sales-fall-s...