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User:Gdstr

From postmarketOS Wiki
Linux This user's main device is a Fairphone_4_(fairphone-fp4).
pmOS logo This user's pmOS GitLab profile is @gdstr.
Alpine Linux logo This user's Alpine GitLab profile is @gdstr.
pmOS logo This user's freedesktop GitLab profile is @gdstr.
GitLab logo This user's gitlab.gnome.org GitLab profile is @gdstr.
GitLab logo This user's salsa.debian.org GitLab profile is @gdstr.
Codeberg logo This user's Codeberg profile is @gdstr.
Matrix logo This user is @gdstr on tchncs.de.

Computer science student at TU Dresden.

Owns Devices

Device Notes
Apple iPhone 6 (apple-n61)
ASUS MeMO Pad FHD 10 (ME302C) (asus-redhookbay) Android 4.3
Fairphone 4 (fairphone-fp4) 6/128 GB, postmarketOS, phosh
Samsung Galaxy A5 2016 (samsung-a5xelte) unable to flash recovery




FP4: known issues, workaround, tips

  • auto suspend breaks modem → disable auto suspend
  • always waydroid session stop before shutdown etc.
  • pmaports#2841 Wi-Fi and wired Ethernet is kinda broken, high latency, ping spikes, connection failures → use WWAN
  • Bluetooth headset usage not possible (neither audio input nor audio output in any of the handset profiles)
  • “Battery: partial” means percentage indicator is a bit unreliable, but OK for rough estimate
  • Flashing: run pmbootstrap flashing command before connecting FP4 via USB (command will wait for device)
  • USSD codes work fine; calls show up / can be placed, but no audio (also see below)
  • USB peripherals aren't working out of the box
  • MMI doesn't work, running e.g. *#21# shows “USSD” box in GNOME Calls

How-to: audio for calls of any kind (cellular, SIP, XMPP, Matrix, …)

Audio in calls: what works and what doesn't

Alice (A) is on postmarketOS, Bob (B) is on a system where everything works (e.g. Android).

Cellular via GNOME calls

  • A can't hear B, B can't hear A

SIP via GNOME calls

  • A can hear B, B can hear A

XMPP via Dino

  • A can hear B, B can't hear A

Matrix via nheko

  • pmaports#4443 aports#18092
  • A placing call fails without notice
  • A receiving call from B shows “Voice Call” popup, trying to accept fails with toast “Missing GStreamer elements: webrtcbin”

Signal via Android app via Waydroid

  • when A calls B, call will show up as missed immediately for some reason (problem with NAT traversal?)
  • A can hear B, B can hear A

Threema via Android app via Waydroid

  • A can hear B, B can hear A

Linux on mobile support advocacy