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Forum Index : Microcontroller and PC projects : +SMS FULL odd error from 4G module....

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Grogster

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Joined: 31/12/2012
Location: New Zealand
Posts: 9755

Posted: 09:15pm 02 Feb 2020

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This one is very weird.

Normally, you get the +SMS FULL error message, when the SIM card memory is full, and it cannot accept any new messages, so has nowhere to buffer them, so cannot show them to you.

Getting around that is easy - just delete all messages from the SIM card after every send or receive, to keep the SIM card memory empty.

What is happening NOW, is that I am getting the +SMS FULL message - but the SIM card memory IS totally empty - zero out of twenty slots in use, so most definitely NOT full, so one message contradicts the other, and now I am lost.

Has anyone else ever seen this odd one?

Here is a screenshot:

When I send a command text message to the unit, it responds with +SMS FULL on the console.

So, I ask it to tell me how many slots are available in the SIM memory for send/receive/new, and it tells me that there are 20 slots available, and none of them are used.

WTF?

SMS FULL, but SIM card empty, so SMS NOT FULL, but still getting the error.....

Smoke makes things work. When the smoke gets out, it stops!

Turbo46

Guru

Joined: 24/12/2017
Location: Australia
Posts: 1646

Posted: 09:40pm 02 Feb 2020

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I no nothing. But when my phone goes la la a Power On Reset usually fixes it.

Bill

Keep safe. Live long and prosper.

Grogster

Admin Group

Joined: 31/12/2012
Location: New Zealand
Posts: 9755

Posted: 10:15pm 02 Feb 2020

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Yep, tried that MANY times, but as soon as you put the power back on, it comes up with that message before you even send it anything!

I will try another SIM card. Something could be wrong there.

Smoke makes things work. When the smoke gets out, it stops!

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