Whenever you replace the battery and turn on the power, be sure to enter the correct time and date:

Find it: Press M> Settings > Other Settings > Initial Setup

>Time and Date

storing phone numbers in phone memory

Question: How should I store phone numbers in the phone memory?

Answer: You can save phone numbers either on SIM card or in the phone memory. To save in SIM or phone memory:

Find it: Press M> Phonebook > [New Entry]

using the send/end key on the headset

Question: When I use the headset with my phone, nothing happens when I press Send/End on the headset. Why?

Answer: This phone does not support the Send/End function on the headset.

no backlight on the display

Question: During phone operation, why don’t I see a backlight on the display?

Answer: The Backlight may be set to Off. To view and/or change the backlight setting:

Find it: Press M> Settings > Other Settings > Initial Setup

>Backlight

troubleshooting

check here first

If your phone does not seem to work properly, read this page first.

phone automatic power on/off

Question: My phone powers off automatically while in standby mode. What should I do when this happens?

Answer: This phone has an on/off feature that automatically turns the power on/off at specific times. To access this feature:

Find it: Press M> Settings > Other Settings > Initial Setup

>Power on/off

Note: If your phone automatically switches on or off at a specific time, please check if this feature is turned on.

changing the time on the clock

Question: The time on my phone is incorrect during normal use. How can I change it?

Answer: The time is reset whenever you remove the battery. This will cause the clock to display the incorrect time the next time you turn on the power.

troubleshooting 65

no incoming call ring tone

Question: Why don’t I hear a ring tone for incoming calls or messages?

Answer: Check the volume setting by pressing S right or left to adjust the volume.

no service

Question: Why does the phone display no service?

Answer: Each service provider operates at a certain frequency band. Call you service provider to find out their frequency band. Make sure the band selection setting on your phone matches that frequency band.

Find it: Press M > Settings > Other Settings > Network

>Band Selection

Note: Because this feature depends on your service provider's setting, you might not see this feature in your phone.

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Motorola C139 manual Troubleshooting, Check here first