How to manage 3 g usage on an android device with 3 g watchdog<br>Download 3 g watchdog and appdroid from the android market (preferably over wifi). Open 3 g watchdog. Define your data plan's quota and starting date.
Your data plan is decided by your phone carrier. 
The system is wrong because it doesn't understand where phone data comes from. Your carrier makes the data plans 
( z1 decide :ARG0 ( z2 carrier :mod ( z3 phone ) :poss ( z4 you ) ) :ARG1 ( z5 plan :mod ( z6 data ) :poss z4 ) )