"PS4 error SU-30696-4" is an error that may occur when the system has failed to update due to a corrupted file.
Some of the common fixes include:
Please see our in-depth walk-through solutions below.
Option 1. System Software Update
Go to settings and look for System Software Update.
Option 2. Update System Software in Safe ModeTo access Safe mode here is a YouTube tutorial
Then, select Update System Software and wait until the process is finished.