www.dragino.com 
LHT52 Temperature & Humidity sensor      38  /  40 
 
 
6.3 How to upgrade the firmware?   
LHT52 requires a program converter to upload images to LHT52, which is used to upload image to 
LHT52 for: 
✓  Support new features 
✓  For bug fix 
✓  Change LoRaWAN bands.   
 
User can check this link for the detail of operation of firmware upgrade.   
https://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction#LHT52   
 
 
 
 
 
6.4 How to change the LoRa Frequency Bands/Region?   
User can follow the introduction for how to upgrade image. When download the images, choose 
the required image file for download.