xt926 gsm use/system app removal/build prop edit/safestrap help topic

I have my xt926 rooted on 183.46.15 boot loader is locked though no current way to unlock it what do I have to edit in the build prop for full gsm support ? I have the radio edited and apn set for att, what system apps do I remove ? Is safe strap going to be updated ? Current version I have of safestrap doesn't work. Followed this to root my droid razr maxx hd https://plus.google.com/110048324100...ts/bUhxCgAj594