Frequently Asked Questions - D-Link DWR-720/PW User Manual

17. Frequently Asked Questions

If any problems are encountered while using the phone, please refer to below FAQs. If the problems
still exit, please contact the Network Operator.
Q. Who can I contact for technical support regarding SIM, Airtime, SMS, Voicemail etc?
A. You can call Telkom Customer Care on 081 180 from the mobile number, or 10210 from the landline.
Q. My receiver has no sound and only my loud speaker works?
A. Make sure your handset coil is connected fully. You should hear an audible click when the coil is
connect into receiver.
Q. "Enter PIN code" appears on the screen.
A. Enter the PIN code of your SIM card. Please contact your Network Provider immediately if you do not
know the code.
Q. "Enter PUK code" appears on the screen.
A. Your SIM card will be locked if you enter wrong PIN code for three times. To unlock your SIM card, you
have to enter PUK code. Enter the PUK code of your SIM card. Please contact your Network Provider
immediately if you do not know the code.
Q. The Phone charger/antenna is broken, who can I contact to purchase another charger/antenna?
A. You can call Telkom Customer Care on 081 180 from the mobile number, or 10210 from the landline.
Q. "Insert SIM card" appears on the screen.
A. Make sure the SIM card is correctly inserted as per the instructions. Check if the SIM card works
properly in another device where possible. SIM card may be defective or faulty. Please contact you
Network Provider for a SIM swop if faulty.
Q. Poor sound quality, echo or noise makes communication difficult.
A. Hang-up your phone and dial again. The Network may connect the phone to a line with better
communication quality. If the problem persists, please contact you Network Service Provider.
Q. "No Service" is displayed.
A. Check the signal indicator. If there is no signal, you may be in a network blind area of a building.
Please move to other locations to receive signal. Or potentially you are not in a coverage area. If so,
please contact your Network Provider for assistance.
Q. My phone screen keeps returning to the Home Page by itself
A. Check that the Return to Home Page feature
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is not enabled. If you don't want this feature, disable it.
Q. Battery Life Short/Decreases.
A. Signal at your location is weak so the phone has to search for signal for a long time. When you don't
want to answer any calls, please power off. It is also possible that the battery has been used for a long
time and is approaching the end of its life-span. In this case, please replace the battery.
Q. I can't play my music/video file from the File Manager
A. Check that the file is not corrupt and the file type is supported by the phone. To check for a list of
support formats, refer to
Q. I can't access the internet
A. Check that you have a positive data balance on the SIM card. To check, dial *188# on Telkom. To
purchase data through the Telkom USSD function, dial *180# and follow the on screen instructions.
Also check that the correct APN settings has been selected. To check the APN settings, refer to
Mobile Network
Q. Phone fails to boot.
A. Your battery may be completely flat. Please charge your phone until the battery power is restored,
then try to power on again. Check the charger to see if it's working properly and proper contact is
made with the Phone power jack.
Q. Cannot send short messages.
A. Please check the SMS address if the correct number has been set. Perhaps the recipient contact
number is invalid. Please also check if there is sufficient fund to send a SMS.
Q. Cannot add entries into phonebook
A. Phonebook is full. Please delete some un-used entries.
Q. Cannot charge.
A. There are three possibilities:
• Charger of your phone does not work properly. You will need to contact your Operator or Supplier
• Poor contact. Please check plug of your charger.
• The battery is old and needs replacement. You will need to contact your Operator or Supplier.
Q. Cannot make calls
A. Check that you have a positive voice airtime balance to make calls. To check, dial *188# on Telkom. To
purchase airtime through the Telkom USSD function, dial *180# and follow the on screen instructions.
Q. Cannot select some functions
A. The service is not available or the operator does not support this service. Please contact your Operator.
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