My MKR1400 gets disconnected exactly 2 days after connecting, literally to the minute - photo attached.
This seems quite predictable and requires the board be disconnected and re-powered.
I have the recommended 2.3Ah lithium battery connected and an additional 0.5F Super Cap on the board so my power supply should be rock solid.
I am quite new to the MKR 1400 so forgive me if I have missed something 
I am in the UK using Lyca mobile, I am assuming this is now on 2G as I understand 3G has been switched off.
Thanks in advance!
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Do the math on 'exactly 2 days' and see if the binary representation in secs, msecs matches a natural limit.
Could it be that it is the telecommunications company that is disconnecting you?
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Hello @MontyBigglesworth
It sounds like the issue might be related to the 2G network, especially if your Lyca mobile is now using 2G after 3G was switched off. The MKR1400 may be losing connection due to network instability or power issues. Try testing with a different carrier or double-check your power connections. Also, consider checking for firmware updates for any improvements.