App installation failed: Could not write to the device

Question

In Xcode 6.3, I got this error when trying to run an iOS project written in Swift on a real device.

App installation failed

c

Answer 1

I am facing same issue then solved out follow this step and now its working.

1. Deleting the app from the device
2. Try to install another application
3. Remove derived data in X-code.
4. Restart X-Code then clean and build the project then run.

It's still not working then

1. Remove un-used application
2. Restart the device and check the Available and capacity in settings
3. Again app run in device

I hope its worked, enjoy it.