1. Download the progrram i-FunBox (This is needed to hack the iOS)

2. Download the hack file. Extract all files.

3. After you've successfuly downloeaded i-FunBox open it and plug in your device.

4. When your device is shown click on user applications.

5. Look for the app Subway Surfers and click on it.

6. Open up the folder labeled "documents" and you should see some folders.

7. Now select the folders in the hack file you downloaded and overwrite all the files in the documents.

8. Lastly click the refresh button a few times to make sure it optimizes the app.

9. Unplug your device and load the game now, it should work.
*If it seemed to not work for you just watch this hands on video*