HL7800 Firmware Downgrade OTA via Airvantage - Upgrade failure [No package available]

[jyijyi]

how about using +WDSD for local download by XMODEM protol?

HL7800 halts when downloading larger file than 20k from FTP

Hi @marjan.tech, There are another way to upgrade module, that is using XMODEM file. Did your distributor send you XMODEM file? a, If no, please contact your distributor again? b, If yes, you can upgrade module following below steps: Step 1: Extract file XMODEM. In this folder, you can see HL7800_4.5.4.0_to_4.6.8.0_allBin_nbIOT11_sig11.ua file. Step 2: Click the right mouse > Properties > Focus value of Size: [image] Step 3: On AT port, sending command: at+wdsd=<value of size you get at s…

https://source.sierrawireless.com/resources/airprime/software/hl7800-firmware/hl78xx-firmware-4,-d-,4,-d-,6,-d-,0/#sthash.yMnpp3JH.AkqcM8EP.dpbs