User's Manual

3.1.3 Step3: Red and green LED on?
After power on the ES825, Red and green LED will be on for 1 second, and then green LED will
start blinking.
3.1.4 Step4: Green LED Blink slowly or on? (in the open air)
Please go to the open air, and wait for some minutes, the Green LED blink slowly(if GPRS or
LTE not lock) or on( if GPRS or LTE locked) if GPS fixed.
3.1.5 Step5: Set APN
The command to re-set APN is “APN”. The format of “APN” is shown below.
Content
/
Command code
Apn
Separator
,
Parameter1
APN
Separator
,
Parameter2
Username
Separator
,
Parameter3
Password
End Sign
#
For example:
The APN of China Mobile is CMNET.