You didn't say it was removed you said "not until ROMS"
but coolstory bro
sorry for trying to help
lol, that has been gone for a long time and gets added back sometimes in custom roms.
you could try *#*#4636#*#*
Yup, works perfectly.
Then click on Phone Info, scroll all the way down and you can select what radios can be active/auto picked.
I am currently trying to use the GSM/CDMA autp (PRL) option but it won't stick to it. Always goes back to GMS/WCDMA/LTE auto....