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