Troubleshoots Cosmote

Frequently asked questions about Cosmote phones, tablets and watches

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