99 
G-TIDE                            E66 User Manual 
 
place with strong signals or stop using the 
mobile phone temporarily. 
  You need to replace the battery. 
SIM card error   The metallic side of the SIM card is 
stained. You can mob the metallic contact 
of the SIM card with a piece of clean cloth.
  The SIM card is not installed properly. 
  Damaged SIM card. Contact your network 
service provider. 
Dialing failure    Please confirm whether you have pressed 
the Dial key after you input the number. 
  Please confirm whether you are prohibited 
to make calls due to arrears. 
  Please confirm whether the SIM card is 
valid. 
  Please confirm whether you have set the 
Call Limit function. 
  Please confirm whether you have set the 
Fixed Dialing function. 
Caller's failure 
to connect you 
  Please confirm that the mobile phone is 
On and connects to the network. 
  Please confirm whether you are prohibited 
to receive calls due to arrears. 
  Please confirm whether the SIM card is 
100 
G-TIDE                            E66 User Manual 
 
valid. 
  Please confirm whether you have set the 
Call Limit function. 
  Please confirm whether you have set the 
Fixed Dialing function. 
The battery 
cannot be 
charged 
 Poor connection. Check whether the 
connector is connected properly. 
  Recharge the battery in a place of lower 
than -10
o
C or higher than 55
 o
C. Please 
change the recharging environment. 
 Damaged battery or recharger, which 
should be replaced. 
Impossibility to 
set some 
functions 
 Operation error. 
  The network service provider does not 
support this function, or you have not 
applied for this function. 
 
If the previous guidelines cannot help you to solve the 
problem, please write down: 
  Mobile phone model and serial number 
  Details of the Warranty 
  Clear description of the problem 
Then contact the local distributor or product after-sale service 
department.