Please extend the device api POST /api/cmd.wan.cellular to support plmn ordered list per sim card.
As an example for sim 2 , the post data may look similar to this.
“2”: {
“carrierSelection”: [
{“plmn”: “310410”,“name”: “”},
{“plmn”: “311480”,“name”: “”},
{“plmn”: “310260”,“name”: “”}
],
}
FYI last updated document is here: https://www.peplink.com/support/downloads/miscellaneous-downloads/
Router api -> Balance/MAX Router for Firmware 8.1.2
From the main site peplink.com
support -> firmware and user manuals
then bottom of the page -> Miscellaneous Downloads