Waiting for SMS connection

My new replacement phone from Assurance is a UMX phone.  I'm having trouble with texting.  Half the time I try to send text I get "Waiting on SMS connection". And s o sometimes I have to restart phone before it will send my text.  I've tried going into Messages app to adjust settings but have no clue what I'm supposed to do to make it work.  

None of my prior Assurance Wireless phones did this.




I'm having the same problem I'd say %90 of the time I have no signal and or No SMS connection Restarting the phone is truck I've done also, all a sudden you'll be able to text or receive the ones that were sent  to you. Idk if it's the phone or service provider probably the latter. I've got assurance wireless or Obama phone lifeline service if you will 


I'm having the same problem I'd say %90 of the time I have no signal and or No SMS connection Restarting the phone is truck I've done also, all a sudden you'll be able to text or receive the ones that were sent  to you. Idk if it's the phone or service provider probably the latter. I've got assurance wireless or Obama phone lifeline service if you will 



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