Troubleshoots NTT

Frequently asked questions about NTT phones, tablets and watches

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