1. Connect upstream USB Chassis hub → control PC. Install platform-tools (adb).
2. Verify nodes
``
adb devices
``
Expect one serial per slot. Missing serial → check cable or USB debugging authorization.
3. Batch install pattern
``
for s in $(adb devices | grep -w device | awk '{print $1}'); do
adb -s $s install -r app-release.apk
done
4. Grouping Organize serials in env files or your CI matrix — one group per test suite.
5. Optional remote setup PhoneFarm Fun can configure mirroring and shortcut menus on your workstation after hardware delivery — vendor-neutral, no lock-in dashboard required.