I have twenty boards all apparently with the same problem: they cannot connect to the cloud. The SIM’s are all activated, and all (except for two) successfully registered on nRFCloud.com; but when the app tries to send a message, there’s an error attempting to connect to the cloud.

In a previous version of our code, that switch issue I posted about previously caused all the devices to issue a ton of messages. I had to quickly pause them all and set data limits to stop the data charges from piling up any further.

I’ve since lifted the data limit and unpaused, now that we’ve resolved that issue of messages being streamed like mad. But now it’s impossible to connect and send any messages to the cloud–as if the devices are still paused or data limited, or something else is blocking them.

What can I do to find out precisely what the blockage is?

I e-mailed you a log file to check out.

What code are you trying to run on your device? Looks like you also have the AT Host library set up for diagnostic purposes? Have you had success with any of your devices connecting to nRF Cloud? The first provisioning part is a bit tricky.

Let me send you the source and you can have a look for yourself.

It’s really hard to the what’s going on here. I would start from the basics and make sure that

  1. Your devices are provisioned correctly (Using the AT%CMNG=1 to check that you have entries for the 16842753 tag)
  2. You’ve connected them to your account on nRF Cloud (The devices show in your console after setting them up. They must connect first before connecting them with the PIN code)
  3. You’re able to connect and transfer data with a not modified sample.

From what I can tell, which is also concerning, is you’re issuing AT commands but your code also has the modem library wrapped in a conditional macro. I’m not sure if that’s enabled but that is sure to cause problems.

Okay, so it turned out that this was caused by the proj.conf having the wrong prefix: “feather-” rather than “thing-plus-” 😅

Sorry. That’s another in a series of false alarms.

…ah, but I do still have two devices I’m unable to register to nRFCloud.

The other 18 devices all registered with no problem using “thing-plus-[IMEI]” but these two just give me the Error 40412.

LTE Link Monitor shows Modem, UICC, LTE and PDN as green.

Hmmm. Can you run AT%CMNG=1 and show the contents here for each of them?

Sorry, missed your reply here somehow. I’ll continue on the other thread since it’s relating more to that thread.

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