Troubleshooting - Nevir NVR-S50 S1 Manual De Instrucciones

TROUBLESHOOTING

If you find exceptions when operating the mobile phone,
restore the factory settings and then refer to the following
table to solve the problem. If the problem persists, contact
the distributor or service provider.
Fault
SIM card error The SIM card is damaged.
The SIM card is not in
position.
The metal face of the SIM
card is polluted.
Poor received Signals are obstructed. For
signal quality instance, radio waves
cannot be effectively
transmitted nearby a high
building or in a basement.
Line congestions occur
when you use the mobile
phone in high-traffic hours
The mobile phone The battery energy is
cannot be powered exhausted
on
The mobile phone The SIM card is invalid
cannot connect the
network
The mobile phone is not in a
service area of the GSM
network
The signal is weak
The battery cannot
be charged
An improper charger is used Use the charger specially designed for the mobile
Poor contact
Cause
The charging voltage does
not match the voltage range
indicated on the charger
Solution
Contact your network service provider
Check the SIM card
Clean the SIM card with a clean cloth
Move to a place where signals can be effectively
transmitted
Avoid using the mobile phone in high-traffic hours
Charge the battery
Contact your network service provider
Move to the network operator's service area
Move to a place where the signal quality is high
Ensure the charging voltage matches the voltage
range indicated on the charger
phone
Ensure the charger plug is in good contact with the
mobile phone
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