The Fujitsu F-04J has a locked bootloader that Docomo refuses to unlock for foreign users. Without an official unlock token (which requires a Japanese MyDocomo account and a paid contract), you cannot root this phone or install a custom ROM.
. Unlike standard global Android devices, Raku-Raku models often omit the multi-language selection feature to simplify the interface for their target demographic. change language in fujitsu f04j docomo full
To change the system language on a to English or another language, follow these steps: The Fujitsu F-04J has a locked bootloader that