cynicaljimbo

You might try upgrading the firmware per the instructions on GitHub: https://github.com/botletics/SIM7000-LTE-Shield/wiki/Updating-Firmware if it's not too braindead. There are a lot of issues with the earlier f/w versions. There's also...

Here in the States as far as I can tell the SIM doesn't care about the service, just the provider and the modem and what you've subscribed to- but let's...

Look at http://www.shenzhen2u.com/doc/Module/SIM7000C/SIM7000%20Hardware%20Design_V1.01.pdf : Per Table 6, GSM drain spikes 2A but LTE is still 600mA. I know you said GSM works, but... Regardless, I've had a lot of trouble...