@chr1st1an thanks.

I did hear about @shiftphones / #shift in the past, but that #HeadphoneJack / #HeadsetJack is kinda non-negotiable.

  • I can understand why no phone supports #OMTP instead of #CTIA for the #Headset but that is fixable with a cheap, passive adaptor...

Still, for others this may be the option...

Understanding 3.5mm Audio Jack Pinout And Common Wiring Standards | SoundScapeHQ

Learn about TRS configuration, CTIA and OMTP standards, and troubleshooting tips for 3.5mm audio jacks.

SoundScapeHQ
Q: 頭から順に黄白赤は #OMTP じゃないでしょ
A: 3極目がアースじゃないのでヨシ!

#Amazon だと #OMTP な4極プラグケーブルが多いのか

"『Let’s!TVプレイCLASSIC NAMCO』のケーブル代替え用に何回ケーブル買っても映像映らなくて調べたら4極AVケーブルって仕様無くてバラバラなのか!
Let's~は先端から「左音、映像、GND、右音」なので国内一般的に該当するんだけどアマゾンだともれなく「パターン4」が届く勉強になったわ秋葉原行くorz"
https://x.com/hide_loopcube/status/1757704409415561723

H/de.(TECHNOJAPAN.net) (@hide_loopcube) on X

『Let’s!TVプレイCLASSIC NAMCO』のケーブル代替え用に何回ケーブル買っても映像映らなくて調べたら4極AVケーブルって仕様無くてバラバラなのか! Let's~は先端から「左音、映像、GND、右音」なので国内一般的に該当するんだけどアマゾンだともれなく「パターン4」が届く勉強になったわ秋葉原行くorz

X (formerly Twitter)
Oh and funnily enough the TRRS in this thing is #CTIA (which probably would've been called "iPhone compatible" in the day) instead of #OMTP (which was Nokia's thing and also China too to this day for some reason), So that means it's compatible with my modern #Android smartphone which is probably way too younger than this nugget.

Just now need to figure out how to reverse the channels in Android too... Probably gonna be way jankier than the method I did in Windows
@root #Nokia WH-102/HS-125 headset (don't worry about the "head", they're just earbuds with a mic inside the handsfree button which is in the middle of the cord). Unfortunately it predates #CTIA (the #TRRS connector is #OMTP), so it will not work in modern smartphones (you have to resolder where the ground is connected to make it work)... But when it works (and my laptop which was released around 2020 has support for both OMTP and CTIA in its 3.5mm!), it's fantastic! I'm not an #audiophile, but I find it pretty balanced, so I use it for my #chiptune music listening (which kinda suffers in the bass-biased headphones of today)