Putting it shortly, a properly preparated sms message can make your Samsung phone power on and off until you hard reset it. Thankfully, preparing such a message requires some IT know-how, so do not worry, no pesky six-grader will put your device down. Models susceptible to the attack are Galaxy 4, Note 4, S4 Mini and S5 as well as some S6 and S7. You can watch this sms in action right here.

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