If it is not there, tap (言語を追加) and select English (or your preferred language) from the full list.
The steps might slightly vary if your device is running an older version of Android: change language in fujitsu f04j docomo full
If you need 100% system-wide translation (including recovery menus and hidden system dialogs), you must install a custom ROM. Warning: This voids warranties, breaks Osaifu-Keitai (mobile wallet), and risks bricking. If it is not there, tap (言語を追加) and
The is part of the "Raku-Raku" (Easy) series specifically designed for the Japanese market. Some versions of this device's firmware are heavily customized and may only support Japanese for the system display, though they allow English for text input. The is part of the "Raku-Raku" (Easy) series
: Look for English (or 英語 ) in the list. If it isn't visible, tap 言語を追加 (Add a language).