22 troubleshooting, Troubleshooting – Vodafone 541 User Manual

Page 39

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My mobile phone turns off by itself

•

Check that your Touch area is locked when you are not using your mobile phone

•

Check the battery charge level

My mobile phone will not charge properly

•

Make sure that your battery is not completely discharged; the battery charge indicator
can take several minutes and may be accompanied by a quiet whistling sound

•

Make sure charging is carried out under normal conditions (0°C +40°C)

•

Make sure your battery is inserted. It must be inserted before plugging in the charger

•

Make sure you are using an Vodafone battery and charger

•

When abroad, check that the voltage is compatible

My mobile phone will not connect to a network

•

Try connecting in another location

•

Verify the network coverage with your operator

•

Check with your operator that your SIM card is valid

•

Try selecting the available network(s) manually (see page 67)

•

Try connecting at a later time if the network is overloaded

SIM card error

•

Make sure the SIM card has been correctly inserted (see page 19)

•

Verify with your operator that your SIM card is 3V compatible; the old 5V SIM cards
cannot be used

•

Make sure the chip on your SIM card is not damaged or scratched

Unable to make outgoing calls

•

Make sure you have dialled a valid number and press

in dial board

•

For international calls, check the country and area codes

•

Make sure your mobile phone is connected to a network, and that the network is not
overloaded or unavailable

•

Check your subscription status with your operator (credit, SIM card valid, etc.)

•

Make sure you have not barred outgoing calls (see page 38)

22

Troubleshooting .......................................

Before contacting the aftersales department, you are advised to follow the instructions
below:

•

You are advised to switch off the telephone from time to time to optimise its
performance.

•

You are advised to fully charge (

) the battery for optimal operation.

•

Avoid storing large amounts of data in your telephone as this may affect the
performance of your telephone.

and carry out the following checks:
My mobile phone will not switch on

•

Press

until the screen comes on

•

Check the battery charge level

•

Make sure your battery is not completely used up or damaged.

•

Check the battery contacts, remove and reinstall your battery, then turn your
telephone back on

•

Remove your battery, remove your SIM card, reinsert the battery and then power it on
again.

•

Hold down key +

key at same time, then press up

key to reset it

(1)

.

My phone has not responded for several minutes

•

Press the

key

•

Remove the battery and re-insert it, then switch the phone back on

My screen is difficult to read

•

Clean your screen

•

Use your mobile phone in accordance with the recommended conditions of use

(1)

ALL User phone data: contacts, photos, messages, files and downloaded applications

such as Java games will be lost permanently. Please do not remove battery during
resetting.

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