Recently, Jose Ferreira aka @Bazoocaze shared his fix for Mobile Radio Active bug, which finally fixes this nasty bug, so all fame should go him!
I just implemented it as Xposed module.
More details you can find in @Bazoocaze's thread: http://forum.xda-developers.com/xperia-zl/general/cm12-1-cell-standby-mo... (if you want to say thanks to him, you can donate him too, follow link in his thread)
If you want donate me also, here is link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6NT.... You are so awesome!
Contributed changes by glauberlima from XDA:
- Added support for the new Xposed Framework v80+
- Removed Xposed logging
- Android 6.x ready