Internal Storage > LMC8.4 > Configs
A: Generally, yes. R18 is an update to R15. Load the old config, then manually adjust new settings. However, for stability, seek an R18-specific file. gcam lmc 84 r18 config file download install
: Get the latest R18 version from a trusted repository like Celso Azevedo's GCam Port. Internal Storage > LMC8