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