Cons:
1) Heating issue
2) Bad camera(both front and rear)
3) No expandable memory option
4)C-TYPE charger and charging port which mean can be only charge with specific charger only
5) SUPER FAstbattery drainage
HEATING issue
the following causes that lead to excessive heating,
Certain third-party apps which have yet to be fully optimized for Android L take up extra system processing power, leading to excessive energy consumption and heating.
When the display is left on for longer periods, such as video streaming and navigation.
When CPU-demanding games are played - results in severe heating.
When cellular data is in use, or when wifi is connected.