Frequently asked questions about KDDI phones, tablets and watches

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

KDDI ISW11HT KDDI ISW11HT
KDDI IS11T KDDI IS11T
KDDI IS06 KDDI IS06
KDDI IS04 KDDI IS04
KDDI Infobar C01 KDDI Infobar C01
KDDI Gzone IS11CA KDDI Gzone IS11CA
KDDI A01 KDDI A01