Summary: Mistake........I don't know if there is a fluctuations in k900s , but mine sucked...... bad battery, heated up- which is bound to cause premature problems........ stay away.... there are better options.... my two cents....... and a $50.00 bill to send back to China for a refund
Service is very bad. I will never ever buy another product from ...
26 August 2015
Summary: I too had very bitter experince with K900. Exactly after one year phone stoped charging . Replacement of charging port costed 2500. Then after 2 months the screen stoped working. The service cost is Rs. 10,000. So I decided to throw it rather than reparing. Service is very bad.