I have a galaxy s5, t mobile. My friend said I sent her the message "I need something? " last night. The message did not show on my end. she sent me a screen shot so I know it's true. I thought maybe a virus, did a scan with lookout premium and nothing showed up. It's a refurbished phone, I've had it about 2 months. I've never sent that message to her and I'm fairly sure I've never sent it to ANYONE period. Any ideas?