ebd6a8c9051028dc1607
where did you moved to? i tried matrix but their android client (element) is terrible compare to telegram’s.
there is a app for this https://github.com/TigerBeanst/TigerInTheWall
have you tried edit /system/vendor/etc/mixer_paths.xml
file ? it may include volume and gain config
im already using archlinux arm on my phone for some years. there is really nothing i need to degoogle at now. the only google product im using is gmail (3rd part client) and play games (run in waydroid).
i think these video may explained it
https://www.youtube.com/watch?v=4XNvnKDSoEw
https://www.youtube.com/watch?v=tD5Dd6VDr7c
https://www.youtube.com/watch?v=qZHoIS-10GQ
you can you this as a reference https://wiki.archlinux.org/title/Localization/Simplified_Chinese#Chinese_characters_displayed_as_variant_(Japanese)_glyphs . although it is for chinese, but you can take the font config of it and reorder it (put Noto Sans CJK JP
at first)
android tablet have many way to run a linux user land . but most of them are still using downstream android kernel. which means you wont get any 3d acceleration in your “linux” environment. so i would suggest you some sbc based tablet or some chromebook (then install linux on it manually)