
Z.T.S. Intermational Industrial Co. Ltd G28i
Page 28
USB
Supported (T-flash card)
File Browsing
S
t
Supported
Note: * shows that the relative function or service
needs support from network or SIM.
4. Preparatory work before use
What is SIM?
This phone can support two SIM cards and two stand-by,
there are two slot to place the two SIM cards (SIM1 & SIM2) .
When you register your mobile number., you will get the SIM
cards (Subscriber Identity Module). And you put the SIM
cards into the slots then you’ll got the functions includ
communication data, mobile number, PIN code (for identity
verification), phonebook, message,as well as other
additional system service.
Note: please take care usage of