Thought this needed to be posted so that people do not get surprises when they can't make (error 35) or receive calls on ther yackie sim. I would have expeced thet they at least send an SMS to their customers. This is posted on their website in the news section.
http://www.yackiemobile.com/
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Service Interruption - 03/05/2007
Dear Yackie Mobile Customers; Do to some changes we are in the process of making, to advance our technology toward the future of GSM telecommunication; all Yackie Mobile services are temporally suspended. We apologize for any inconvenience; we will provide you with alternative services until we have completed our upgrades to our system.
Phones: Xiaomi Mi Mix 2, Samsung Galaxy A50, ASUS zenfone 3,
Sim cards: AT&T (Contract), 3 UK, Piranha Mobile