I think there is a similar thread which describes the same problem on FP2 OS. I have posted my opinion about the probably mistake (changing platform.xml) here: No data connection after update to 1.4,2 and rooting.
In the meanwhile I have sadly reflashed with Open OS 16.06, because deinstalling all apps I have mentioned in my last post hasn’t fixed the problem.
In any case be careful with /system/etc/permissions/platform.xml !