Answers to frequently asked questions on Changhong devices. Reasons for a hard reset or reset a Changhong, Is it safe to do a hard reset or format in a Changhong?, What data is deleted when performing a hard reset in a Changhong?, What should I do before doing a hard reset?, Can I install Fortnite on my Changhong?, I forgot the PIN code of my Changhong, I forgot unlock pattern, How to make my Changhong faster?, How to update my Changhong? How to backup my Changhong?