I am unable to run app from android studio to my samsumg phone running android 2.3.6. I am getting Application installation Failed popup refer below screenshot.
When i got this error, i was using a Nexus 4 in the AVD-Manager. By default this device was created with 500MB internal storage. I increased the storage to 2048MB and the "stale dexed" error was gone.
To increase the internal Storage: