it might be a emulator. such as exagear. which only need a minimal linux environment to proot into. and all gui are done by wine

Universal Copy and Network Signal Guru. former is used to copy on text which usually unable to copy. latter is used to modify some modem setting.

do you have the required module installed?

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

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)

yes you can. but not for recent released tablets. you can find more on devices page of pmos wiki

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)

im using cloudflare doh as upstream. and setting my own dns server (dnsmasq) with ad block hosts on my router

you can use netevent. it will expose your tablet input directly to your host computer by uinput

but it just the ec part. bios is still the proprietary insyde bios

to be noticed. framework laptop still dont have coreboot support yet.

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

the point of 4k is that you can make ui smaller and show more things

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

if you are using btrfs. try btrfs send