Trying to adb install an app, and I keep getting : Code (Text): C:\androidsdk\tools>adb install signed_com.darshancomputing.BatteryIndicatorPro. v3.0.0.apk 429 KB/s (474206 bytes in 1.079s) pkg: /data/local/tmp/signed_com.darshancomputing.BatteryIndicator.v3. 0.0.apk Failure [INSTALL_PARSE_FAILED_NO_CERTIFICATES] I had googled and thought it was because it was unsigned, so I tried signing it with SignAPK.Jar, but it still fails. Ideas on to what causes this? On Froyo 2.2 Also tried this to install via recover, but still nothing.