Troubleshooting - SoftBank 912T User Manual

Troubleshooting

Problem
Cannot turn the power on.
Displays Please check connection with
your charger. and cannot charge the
battery.
Cannot operate the handset
normally after turning it on.
Cannot establish a connection for
voice and video calls or use mail and
Web functions.
Cannot make voice and video calls.
・ Is the battery pack inserted properly (page 1-16)?
・ Is the battery charged (page 1-14)?
・ Is there dust on the connections and contacts of the AC charger, External Device Port or battery pack? Clean
the connections and contacts with a dry cotton swab, etc.
・ Does the PIN Entry window appear? PIN Settings (page 12-2) is set to ON . Enter your PIN1 code.
・ Does the " " indicator or Password Lock appear on the display? The password lock (page 12-3) is
activated. Enter your security code (page 1-25).
・ Does USIM not inserted. Power off the phone and insert USIM. appear on the display? The USIM
card was not read properly. Turn the power off and make sure the USIM card is inserted properly (page 1-4).
・ Does the " " indicator appear on the display? Are you out of the service area or in a location where a
signal cannot reach your handset? Move to a location where a signal can reach your handset.
・ Is your hand or another object covering the internal antenna part (page 1-7) of your handset?
・ Does the " " indicator or Offl ine Mode appear on the display? Cancel offl ine mode (page 2-12).
・ Did you dial the whole phone number starting from the area code?
・ Does Network busy. appear on the display?
・ Is Call Barring (page 14-8) set?
Possible Causes and Remedies
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