BG95 MQTT AWS connection frequent failure to open

IoT Modules LPWA Module
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1

I am facing issue with firmware I developed. Device in USA facing frequent failure to open MQTT port. some times it connects (40%) and rest of the time it fails to open MQTT.

I am sharing the log. I have tried every thing to figure out the issue. I increased retry time interval, added more commands to figure out if its DNS failure. but most of the time I get respose that its busy. while same firmware works at my place in india, with very less failures.
sharing my device logs.
Serial Debug 2025-11-25 224742 ko1.txt (6.7 KB)

2

I suggest you replace the SIM card and try again.

3

We, changed US device sim to hologram and did that on 2 devices, same result, initially it connects but subsequent connections fails to connect to AWS with same logs as shared above.

4

Please try again using the EMQ server.