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Last active March 14, 2026 04:59
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Restart wireless debugging (ADB) in port 5555 with Termux (no root)
Raw
README.md

Requirements:

  • Packages: android-tools, nmap
  • Apps: Termux:API (for termux-notification)

Optional:

  • Termux:Boot: Run the script at boot (preferably, add some delay)
  • Termux:Widget: Run the script from a home screen shortcut

Tips:

  • Enable wireless debugging before port scanning begins. If no port is found, tap the script notification to rerun the scan.
  • Add "Wireless debugging" from Quick settings developer tiles to toggle wireless debugging from the notifications pane.
  • It's a good idea to semi-automate the script using one of the termux apps listed above.
Raw
adb-5555.sh
#!/data/data/com.termux/files/usr/bin/bash
termux-notification --id 1 -t "Scanning for ADB port..."
adb_port=$(nmap -sT -p30000-50000 --open localhost | grep -m1 -oP "^\d+")
if [[ -z $adb_port ]]; then
termux-notification --id 1 -t "No debug port detected" -c "Tap to rescan." --action "$(realpath $0)"
exit
fi
termux-notification --id 1 -t "ADB port detected: $adb_port. Restarting ADB..."
adb connect localhost:$adb_port
adb tcpip 5555
adb disconnect
sleep 1 # wait for emulator-5554 device
adb shell settings put global adb_wifi_enabled 0
termux-notification --id 1 -t "Successfully restarted ADB in port 5555"
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SuggonM commented Feb 23, 2026

Can't find how to add description to gists so here's the gist of this script:

  1. Poll through all possible wireless debugging ports
  2. Connect ADB via the discovered port
  3. Restart it in port 5555
  4. Disconnect the port found earlier
  5. Disable wireless debugging

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