10-25-2021, 09:45 AM 
		
	
	
		Could you try to change your Mobile Network Settings to "2G only"? After a modem restart / phone restart, I am usually able to send SMS via Chatty - but only that way (O2Germany Sim Card).
	
	
	
	
	
|  Chatty, SMS does not work - could hardware be at fault? |