Could you please be more specific about how and where install the supermod service.jar?? Thanks!
I'm also on a FW. 757 and can't apply the previous apk's from older firmware...and I tried to mod my own apk's and turn them to black but only conversations.apk worked...the other ones failed to install...
super user mod http://forum.xda-developers.com/xper...-sola-t2342679
or instal xposed mod by sejar and enable superusermod from seting http://forum.xda-developers.com/show...=2612179seting and restart