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How to use ADB Shell when Multiple Devices are connected Fails with error more than one device and emulator

February 18, 2025

How to use ADB Shell when Multiple Devices are connected Fails with error more than one device and emulator

Wrestling with the dreaded “mistake: much than 1 instrumentality and emulator” communication once making an attempt to usage ADB ammunition? You’re not unsocial. Galore Android builders and fanatics brush this irritating roadblock once aggregate units oregon emulators are related to their machine. This blanket usher dives heavy into the options, offering broad, actionable steps to regain power of your ADB ammunition and streamline your workflow. We’ll screen figuring out linked gadgets, focusing on circumstantial gadgets, and using precocious strategies for seamless multi-instrumentality direction.

Earlier we tin code the “much than 1 instrumentality” mistake, we demand to cognize precisely what gadgets ADB sees. This is the archetypal important measure successful troubleshooting. The adb units bid is your beginning component. It lists each linked units and emulators, offering indispensable accusation similar their serial numbers and states.

For case, moving adb gadgets mightiness instrument thing similar this:

Database of units hooked up emulator-5554 instrumentality 0123456789ABCDEF instrumentality 

This output exhibits 2 linked units: an emulator with ID emulator-5554 and a animal instrumentality with ID 0123456789ABCDEF. Knowing this output is cardinal to concentrating on the accurate instrumentality.

Focusing on a Circumstantial Instrumentality

Erstwhile you’ve recognized the instrumentality you privation to activity with, utilizing its serial figure is the about nonstop manner to mark it with ADB instructions. Merely append the -s emblem adopted by the serial figure to your ADB bid. This tells ADB to execute the bid lone connected the specified instrumentality.

For illustration, to entree the ammunition connected the animal instrumentality with ID 0123456789ABCDEF, you would usage:

adb -s 0123456789ABCDEF ammunition 

This bypasses the “much than 1 instrumentality” mistake and offers you ammunition entree to the chosen instrumentality. This technique is simple and plant reliably equal with aggregate units related.

Utilizing the -d, -e, and -t Flags

ADB gives further flags to streamline instrumentality action. The -d emblem targets the lone linked animal instrumentality, piece -e targets the lone moving emulator. The -t emblem permits you to mark a instrumentality utilizing its transport ID. These are adjuvant shortcuts once you person lone 1 instrumentality oregon emulator of a circumstantial kind related.

For case, if you lone person 1 emulator moving, you tin usage:

adb -e ammunition 

Precocious Strategies: Situation Variables and Aliases

For much analyzable setups oregon predominant usage, mounting the ANDROID_SERIAL situation adaptable tin simplify issues. This adaptable tells ADB to default to a circumstantial instrumentality. You tin fit this adaptable successful your terminal conference oregon adhd it to your ammunition configuration record for imperishable usage. Creating aliases for generally utilized instructions with circumstantial instrumentality targets tin additional heighten ratio.

Illustration of mounting the situation adaptable successful a bash ammunition:

export ANDROID_SERIAL=0123456789ABCDEF 

Last mounting this, merely moving adb ammunition volition mark the specified instrumentality.

Troubleshooting Communal Points

Generally, equal with these strategies, you mightiness brush points. Guarantee your instrumentality drivers are accurately put in and ahead-to-day. Restarting ADB server (adb termination-server adopted by adb commencement-server) tin frequently resoluteness transportation issues. Larn much astir troubleshooting ADB connections. Besides, guarantee your gadgets are approved for debugging connected your machine.

  • Ever treble-cheque the serial figure you’re utilizing.
  • Restart the ADB server if you brush sudden behaviour.
  1. Tally adb gadgets to database related gadgets.
  2. Usage the -s emblem with the accurate serial figure.
  3. Execute your desired ADB bid.

Featured Snippet: To rapidly mark a circumstantial instrumentality utilizing ADB, usage the -s emblem adopted by the instrumentality’s serial figure. For illustration: adb -s 0123456789ABCDEF ammunition.

[Infographic Placeholder: Ocular usher connected utilizing ADB with aggregate gadgets] - See utilizing situation variables for often accessed gadgets.

  • Aliases tin additional streamline your workflow with aggregate gadgets.

Outer Sources:

FAQs

Q: What does the “mistake: much than 1 instrumentality and emulator” communication average?

A: This mistake means ADB tin’t find which instrumentality to mark due to the fact that aggregate units oregon emulators are linked.

Q: However bash I discovery the serial figure of my instrumentality?

A: Tally adb units. The serial figure is listed adjacent to all linked instrumentality.

Managing aggregate Android gadgets with ADB doesn’t person to beryllium a battle. By implementing these methods, you tin effectively mark circumstantial units, debar the “much than 1 instrumentality” mistake, and optimize your Android improvement workflow. Commencement streamlining your ADB education present and unlock the afloat possible of multi-instrumentality investigating and improvement. Research additional assets and precocious ADB instructions to refine your abilities. Don’t fto transportation points dilatory you behind; return power of your ADB ammunition.

Question & Answer :

$ adb --aid 

-s SERIAL usage instrumentality with fixed serial (overrides $ANDROID_SERIAL) 

$ adb gadgets Database of units connected emulator-5554 instrumentality 7f1c864e instrumentality 

$ adb ammunition -s 7f1c864e mistake: much than 1 instrumentality and emulator 

Usage the -s action Earlier the bid to specify the instrumentality, for illustration:

adb -s 7f1c864e ammunition 

For aggregate Emulator, usage the procedure’s IP and larboard arsenic the id, similar:

adb -s 192.168.232.2:5555 <bid> 

Seat However to acquire the Android Emulator’s IP code?

However if location is lone a azygous Emulator, attempt:

adb -e <bid> 

Seat besides http://developer.android.com/instruments/aid/adb.html#directingcommands