Let me guess, it's only when your wifi is on, right? If it's only with activated wifi you can try my solution. Change wifi standby to always and use Llama to turn off mobile data when wifi is connected. This is the only way for me to keep my threema connected when screen is off.
sent from my disappointing note 3
Last edited by oldgerman; 7th May 2014 at 04:03 PM.