Troubleshoots DoCoMo

Frequently asked questions about DoCoMo phones, tablets and watches

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