do you have the required module installed?
ebd6a8c9051028dc1607
afaik gain control sysfs is not a part of vanilla linux kernel. so you may need to port some patch from elementalx kernel, rather than just simply enable some kernel config
where did you moved to? i tried matrix but their android client (element) is terrible compare to telegram's.
have you tried edit /system/vendor/etc/mixer_paths.xml
file ? it may include volume and gain config
im using cloudflare doh as upstream. and setting my own dns server (dnsmasq) with ad block hosts on my router
adaway is a classic hosts based ad blocker, usually have effect for in app ads. for ad in webpage, i suggest firefox with ubo installed
any lineage os supported device is enough, i think
why not just use email? i think most college student have it. and you already chating on it
use https://f-droid.org/packages/com.oasisfeng.island.fdroid/ (work profile) to isolate. and use a pay as you go number to register (rather than you commonly used one). do not grant any permission. set background restriction to strict. force stop it after every use. i think that would be enough