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