Here they are:
Issue 1: My WiFi won't open. It just stucks on "Turning WiFi On...". On the logcat, modifying / creating / deleting the /data/.cid.info didn't help. Through further research, it's just a file that saves WiFi Passwords. I literally LOL-ed.
Issue 2: Camera App Freezes when switching to Front Camera. Installing Third-Party Apps didn't solved it. It left my sad self "Selfie-less"...
Any help will do great!