After Returning To Japan - Sony Docomo Xperia Z1fSO-02F Instuction Manual

After returning to Japan

When you return to Japan, the terminal is
connected to DOCOMO network
automatically. If connection is failed, perform
the following operations.
Set "Network Mode" to "LTE (preferred)/3G/
･
GSM" (P.185).
Set "Search mode" to "Automatic" in "Service
･
providers" (P.185).
International roaming
190