Troubleshoots SFR

Frequently asked questions about SFR phones, tablets and watches

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