why does it sometimes not send my text ?

[AC Question]

i get an error code saying sim1 error something

 

[Zeenon]

I know could be dumb solution but did you try restarting you device and taking your Sim out and back on?

 

[B. Diddy]

Welcome to Android Central! Also, what's your cell signal like? If signal is poor, you may have problems sending messages.