May the device tested the trial code before. Our service limites one device one trial code only.
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Trial code is free. Please register to get it.
Our package service days as below: One Month:31days Three Months: 93days=31days*3 Six Months: 186days=31days*6 Twelve Months: 372days31days*12
Do not receive confirmation email of registration?
Possibly the problem is apk too old, do please install the latest apk.