No IP address, SIM card not registered on GL-X750

[wcs2228]

Maybe reset the modem with “AT+QPRTPARA=3”

https://docs.gl-inet.com/en/3/troubleshooting/modem_faq/

GL-X750 won't connect to Verizon anymore

I had good success with this device for the first couple of months that I had it and then it suddenly stopped connecting to the Verizon network. I am using the same sim card since the beginning. That sim card still works in my Jetpack without any issue. Currently, I see an error on the main page saying “SIM card not registered”. Following is the system log: Thu Oct 1 20:58:04 2020 daemon.notice netifd: Interface ‘modem_1_1_2’ is setting up now Thu Oct 1 20:58:06 2020 daemon.notice netifd:…

Urgent - how to completely reset a DL-X750 to shipped config

Just got a DL-X750, put in my 4G SIM (Optus, Australia), and it auto-configured worked fine. Then, I decided to measure performance on each band, and used the preset “Set Band” AT command to set band 1. That broke network access and I haven’t been able to get it back. I have done every type of reset imaginable, I used “Set Band” again to try to set a known good band (eg. 28) (which didn’t actually change anything), I’ve tried flashing older firmware and Rooter, I’ve been through the Quectel A…

EDIT: You already tried resetting the modem, so skip this post.