Remove / Install the Battery Cover 
1.  To unlock the battery cover 
by switching the battery lock 
to “unlock” position.     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2.  Press and pull the battery 
cover to remove it. Follow the 
arrows circled in red.   
 
3.  Insert the battery in the 
direction as shown.   
 
 
 
4.  To lock the battery cover 
by switching the battery lock 
to “lock” position.     
 
 
Using the TF card / Nano SIM card 
The EA320 has 1 x TF card slot and 2 x Nano SIM card slots
inside the battery compartment. Gently press the card into 
the card slot accordingly. Please do not push or press SIM 
and TF cards. 
To remove the card, press the card and release. The card 
pops out. Remove the card from the slot. 
 
 
 
CAUTION! 
 To ensure the unit working properly, please keep all connectors 
For other product documentation, please scan the QR code below for 
more information. 
 
 
Charging the Battery 
Before using the terminal for the first time, you need to charge it for 
about 24 hours. For the regular use, you can charge the terminal 
for 4 hours to recharge the battery to full capacity. Charge the 
terminal using the USB charging cable or the cradle. Connect the 
type C USB cable to the USB port on EA320 and the other end of 
the USB cable please connect to AC power adapter into the 
electrical outlet on the USB plug. The charging LED indicator on 
EA320 is turning red when it is in charging state. The red light is off 
after the charger is fully charged. 
Checking the LED status 
 
 
 
LED   LED Light   Description 
Red Light   
■ Battery Charging 
Green Light   
■  Battery Fully charged 
LED  
(Charging Status) 
Green Light 
■ Power on  
Red Light blink once   
■ Good Read  
LED  
(Scanning Status) 
Blue Light   
■   Customized Settings 
 
Copyright 2019 unitech Electronics Co., Ltd. All rights reserved. unitech is a registered trademark of unitech Electronics Co., Ltd.
away fro
m the contaminants staying inside of them such as dust, 
grease, mud, and water. The negligence may cause the unit with 
no communication, short circuited, overheated and so on. 
 If the connector is damaged, please ensure the connector is being 
fully repaired before using the unit to avoid causing short circuited.
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