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Topic: Advise a free disabler of calls and without for the smart phone on old Android 2.2.2

Advise please a disabler of calls and  (firewall) with following properties
1. The free
2. Does not demand
3. Approaches for the smart phone on old to Android 2.2.2
4. Absence of advertizing is desirable
I will be very grateful for the good recommendation.