Unable to send SMS with Cyanogenmod? Here’s a fix!
Are you unable to send SMS text messages after upgrading (to) Cyanogenmod? Here’s something you should check! (This fixed it for me after installing Cyanogenmod 11 on my Nexus 4)
Open the Voice+-app. As it mentions, ‘Voice+ enables all apps to send SMS messages through Google Voice’. Well… this apparently doesn’t work for everyone. So if you have trouble sending SMS via your Messaging app, disable this. After I did that, I was able to send SMS again! 😎
(Not sure which versions of Cyanogenmod this applies to. Applies perhaps also to other custom roms, or even to stock roms. Probably only for people outside the USA)