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

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Answer 1

I did a Clean and installed my app successfully.

Product->Clean(Shift-Cmd-K)

Answer 2

in my project this problem happened because there was a folder with symbolic link. I removed that folder and it worked properly.

Answer 3

Got this problem twice in one week on complete different devices.

One device had no more storage left, after deleting some apps the project installed perfectly.

The other device was fixed after rebooting the device

Answer 4

For me it was the provisioning profile - I used distribution instead of development

Answer 5

I turned off the device and turned it on again after which I did not get such error.

Answer 6

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.