Golden Unions Limited B85 Manuale Utente
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5.9.5.3 Data Account
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Select the corresponding data account according to your needed connection network services.
You can edit, add, delete and change default account.
5.9.6 Restore factory settings
■
This feat ure would r eset p arts of functi ons as those configured at the f actory. T he f actory
default password is 1122.
7. Appendix
Appendix1: Carry on the following simple examination before you contact with after-sales service,
perhaps can help you avoid the redundant maintenance time and expense to waste.
Common problems and solutions
Common problems
The causes and solutions
Unable to boot
1.
Check whether the battery power is exhausted.
2.
Check the battery is placed correctly
SIM card error
1. SIM card metal surface have dirt, use clean cloth to brush the
SIM card metal contact point.
2. Reinstall the SIM card.
3. SIM card is damaged, please replace SIM card.
Poor signal
Check on the signal strength indicator of the screen, 5 bars
indicate a strong signal, less than 2 bars indicate a weak
signal.