What is this?!

[Gtdz]

Hello everyone this icon only pops up when i make calls or someone calls me and wont go until i restart my phone. I have no SD card in there and i have tried re-inserting the sim card...what is this and how do i fix it? :

Thank you
Gt

 

[belodion]

Possibly a bad SIM, or SIM reader?

Posted via the Android Central App

 

[xocomaox]

Is that on your lockscreen? Can you touch and hold it to get a name or something?

 

[Javier P]

Or double tap on it to open the notification?

 

[erwaso]

Never seen that one. But looks like bad sim