Question, RR5.6 was a nearly perfect rom except I couldn't get MMS to work on it. Then the Google Play Services crashed the whole rom.
Why not stay with a ROM versions that is near perfect & make it perfect, mark that ROM as stable or bug free, ...
I prefer the Android Web Viewer because its less invasive. MHO They may crash more because of google play's aggressiveness as an intrusive APP
Accuired ATT nano Sim card, phone displays 3G
Running stock Oxygen 2.1.3.
I don't use software keys, since update Menu got moved to the RHS of Home & Back button took the place of Menu on LHS of Home.
Radio works when ear plugs are in but only ...
I live in San Antonio Texas and used the OnePlus 1 here with Resurrection Remix 5.5.8, my ATT lte was weak. WiFi runs over Amped Wireless & was touch and go. I now have the att sim card back in the little iPhone 4S call signal & WiFi which is TW...
Thank you jackeagle, you put an end to this rabbit hole of searching for a CAT S50 Custom ROM.
Next question & I have been looking @ YouTube's Android Boot Camp. I know a little about kernel rebuild & customizing , custom installs of Slackware...