Carrier-specific features like VoLTE and WiFi calling rarely work on custom ROMs for older LG devices due to proprietary framework limitations.

. These versions are maintained by independent developers and require technical steps to install. Popular Android 10 ROMs for LineageOS 17.1:

Here is a comprehensive guide on the state of Android 10 for the LG G5, the risks involved, and how you can install it. The Official Update Status of the LG G5