(UPDATED) DJI Spark Troubleshooting (Why, How to Fix)

DJI Spark is the quietest drone from DJI ever. When I was scrolling in a DJI forum I noticed that many people have different issues with DJI Spark. So decided to write an article about DJI spark troubleshooting which would be helpful to people who are unable to find solutions for their DJI Spark problems.