SMS DISABLED ON 4.4 FOR NEXUS 7
But based on that product forum link Halifax50 posted, it actually does seem like sms messaging may have been disabled, or there is a bug preventing sms use on the Nexus 7.
At least a whole forum post of people say so
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The messages (neither sent nor recieved) are not stored, but it is a solution for those who need sms to activate prepaid services or promotions.
Google play acknowledged that I had lost a function with 4.4 and were unable to say when or if a fix might be forthcoming. They offered a full refund (£299) which I accepted. I have purchased the LG G Pad which I am delighted with and have over £100 back in my pocket.
I decided to not go down the sim route again as future Androud updates could remove the facilty for sms. Thanks again.
works also on 4.4.2+
1. Root your device
2. Install Xposed Framework -> get it here repo.xposed.info
3. Install the module AppOpsXposed
4. Give your SMS App the needed permissions -> Settings->AppOps->Messaging
5. Enjoy and have FUN sending SMS.