Troubleshooting
131
Troubleshooting
Troubleshooting
Problem
Possible causes and solutions
Cannot switch
the phone on
• Ensure that the battery is inserted correctly
(page 51).
• Ensure that the battery is charged (page 53).
Cannot charge
the battery
• Ensure that the battery is inserted correctly.
• Ensure that the AC charger connector is clean.
The battery
loses power
quickly
• Adjust the backlight timer so that the backlight
remains on for a shorter time.
No SIM
or
Invalid SIM
is
displayed
although there
is a SIM card in
the phone
• Gently clean the contact pad of the SIM card.
Содержание G450
Страница 1: ......
Страница 6: ...Contents 5 Contents Purchase record 133 Menu tree 134 Index 136 ...
Страница 43: ...Getting started 42 Getting started Display indicators Idle screen Text editor screen 3 5 2 4 6 1 7 8 9 ...
Страница 53: ...Getting started 52 Getting started 5 Gently slide the back cover upward into place ...
Страница 136: ...Menu tree 135 Menu tree 8 Reset settings 9 Clear all 0 Format U Disk 6 Alarm 7 U Disk mode ...