How to resolve the “ADB server didn’t ACK” error?

Try the following:

  • Close Eclipse.
  • Restart your phone.
  • End adb.exe process in Task Manager (Windows). In Mac, force close in Activity Monitor.
  • Issue kill and start command in \platform-tools\
    • C:\sdk\platform-tools>adb kill-server
    • C:\sdk\platform-tools>adb start-server
  • If it says something like ‘started successfully’, you are good.

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