• Software Version  

    1.10.4-20210927

    Release Date

    2021-10-08

    With USB Port

    Download

    (Software Size: 7.2MB)

    Release Note

    1. Fixed: TTL settings.
    2. Fixed: APN settings for U.S.

    3. Tips:   After the upgrade is complete, it is best to reset the device to factory

                   settings.

    Any comment or suggestions about this firmware?

    Without USB Port

    Download

    (Software Size: 6.87MB)

  • 2020-06-05

    Release Date

     First release

    Release Note

    Download

    7.16MB 

    Software Size

    1.0.21-200325

    Software Version  

    Software Size

    7.18 MB 

    Software Version  

    1.9.2-20210804

    Download

    Release Date

    2021-08-06

    Release Note

    1. Fix: Wi-Fi performance improved with some NIC.
    2. Update: When WAN connection is inactive, 4G connection will start to work.
    3. If there are any problems after the firmware update, please reset the device to

        the factory defaults and try again.

LT400 Software Download