Troubleshooting - Haier I70 Quick Manual

Troubleshooting

Frequently
Asked Cause and Solution
Questions
Press the Power Key for over 1 second.
Check if the battery is properly connected.
Fail to turn
Please remove and install it again, retry to turn it
on
on;
Check if battery is appropriately charged.
Weak signal. Please try and move to a location
with strong signal and try connecting to the
network again;
Fail to
Please ensure that you are not beyond the
connect
network coverage of service providers;
network
Please ensure you have a valid SIM card.
Please contact your network provider for further
information;
Please check if the sound volume is tuned
improperly
In an area with poor receiving condition,
example: basement, the signal might be weak.
Poor quality
Try searching a location with stronger signal
of calling
reception and call again.
While using the mobile phone in the peak period
of communication, like commute time, you may
be unable to call because of line congestion.
Dirt on the metal surface of an SIM card. Use
clean cloth to wipe the metal touch point on an
SIM Card SIM card.
Error The SIM card is not installed.
The SIM card is damaged. Please contact your
network service provider.
Please check if the mobile phone is on and
Callers connected with the network.
cannot Please check if the Call barring or call divert is
contact you activated.
Please check if the SIM card is valid.
Fail to set Wrong operation.
some The network provider does not support the
functions function, or you have not applied for it.