Learn how to cancel Z4 Multi subscription on iPhone, Android, Paypal or directly.
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Alternative method via AppStore:
1. By using this app you could control up to 8 compatible alarm systems with one mobile phone.
2. This is an advanced version of Z4 Farsi app.
3. If you want to control one alarm system, its better to use Z4 Farsi or if you prefer English interface you could use Z4 Ultra.