>>FastCGI sent in stderr: "Unable to open primary script: /path/to/moodle/local/mobile/check.php (..)
This is not related to performance issues. (The app tries to detect a plugin.)
>>YouTube videos they get error as I the attached Image
We detected that YouTube, among other third parties content providers, can block petitions. We opened an issue already about this: https://tracker.moodle.org/browse/MOBILE-3252. We suggest you that become a watcher of that issue, so you will receive automatic updates.
>>It does not show files and images as usual
Can you facilitate us more information? Which error message is being shown?