User guide

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Software Updates
Software Updates
At specified time, handset automatically checks for/downloads
firmware updates as required. To update firmware manually:
In application sheet, (Settings) Device info
Software update
Software update menu opens.
Software update Execute Follow onscreen prompts
Software Update starts.
Before Software Update
Handset data may be lost to damage, malfunction, etc.
Back up important information before updating software.
SoftBank Mobile Corp. is not liable for loss or associated
damages.
Software Update Operations
Enabling/Disabling Automatic Updates
In Software update menu, Auto update settings Do
not update automatically or Update automatically
Changing Automatic Update Start Time
In Software update menu, Update time settings
Select time Set
・
Available when Auto update settings is Update
automatically .
Software Update Cautions
During Update
Handset cannot be used until Software Update completes;
it may take some time to complete.
Signal Conditions
Check signal strength and battery charge beforehand.
Poor signal strength or low battery charge may disrupt
updates leading to update failure. Update failure may
disable handset.