MIUI ima ugradjen call recorder koji radi perfektno jer su ionako trebali da ga naprave za potrebe kineske vlade
Ne znam da li sve ili neke verzije custom Android ROM-ova baziranih na AOSP podrzavaju manuelni call recording (kada razgovor krene mora da se pritisne dugme).
LineageOS
Call recording
This feature is not available for all countries/devices. Remember that you are responsible for complying with any laws, regulations and rules that apply to the use of this functionality and any recordings it produces