I’m not with Quectel. I got a notification because I am subscribed to this thread. They take weeks to respond to messages.
Have you seen: Firmware for EG18-EA - #56 by MTTS ?
If you have the original Netgear or the stock-modified Voxel firmware, you can only use that web interface to flash the two firmwares Netgear has released: an unknown version of A05, and a version of A06 that reports as 01.002.