Your browser is not able to display this video.Due to Samsung's proprietary IMS service, Samsung devices were unable to use VoLTE on AOSP-based ROMs.After tinkering with my device (Galaxy A21s) for some time, I was able to successfully make (and receive) VoLTE calls on LineageOS 18.1.I believe this can also be applied to other Samsung devices with Samsung Exynos chipsets, and also for newer LineageOS versions.Currently, I am trying to summarize all the changes that I made to enable this. Attached is the smali changes...Read more