What exactly is this tick, which is the indicator that the chat window is opened by the user with whom you have corresponded. For one reason or another, many user this innovation was not to the taste, and hastened to take advantage of the scammers.
Criminals distributing social media messages to disable indicator in WhatsApp using transition link and input the mobile in the special form. Guessed It? Posted room immediately becomes a hostage of an expensive SMS service that's ravaging the balance.
ESET experts advise to ignore all messages of that kind and believe only information from official sources.
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