FONA 800 can't enable GPRS

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S54
 
Posts: 1
Joined: Fri Apr 01, 2022 9:44 am

FONA 800 can't enable GPRS

Post by S54 »

Hello,
I have a project that has been using Fona 800's in the UK, these have been using the giffgaff (O2) network for the last few months, I am struggling with poor reception so I have tried using a VOXI (Vodafone) and EE sims, both work in an S20 when locked into 2G mode. When trying the sim in the FONA with the FONAtest sketch, only the giffgaff sim can enable GPRS and read a webpage. This does take a few attempts but then works fine.
I get this initially..

Code: Select all

14:28:00.998 -> FONA> G
14:28:02.633 -> 	---> AT+CIPSHUT
14:28:02.710 -> 	<--- SHUT OK
14:28:02.749 -> 	---> AT+CGATT=1
14:28:02.789 -> 	<--- ERROR
and then I get this after a few more attempts....

Code: Select all

14:28:05.314 -> FONA> G
14:28:06.434 -> 	---> AT+CIPSHUT
14:28:06.514 -> 	<--- SHUT OK
14:28:06.554 -> 	---> AT+CGATT=1
14:28:06.594 -> 	<--- OK
14:28:06.634 -> 	---> AT+SAPBR=3,1,"CONTYPE","GPRS"
14:28:06.714 -> 	<--- OK
14:28:06.754 -> 	---> AT+SAPBR=3,1,"APN","FONAnet"
14:28:06.829 -> 	<--- OK
14:28:06.951 -> 	---> AT+CSTT="FONAnet"
14:28:06.951 -> 	<--- OK
14:28:06.991 -> 	---> AT+SAPBR=1,1
14:28:07.235 -> 	<--- ERROR
Does anyone have an idea why the EE and Vodafone sims will not work with the FONA yet the giffgaff one does not? I have tried a brand new FONA board.
Kind regards,
James

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rskup
 
Posts: 230
Joined: Sat Aug 01, 2020 9:04 pm

Re: FONA 800 can't enable GPRS

Post by rskup »

Just a tinkerer here, and a little confused between the two paragraphs and which sims work or don't work.

But is the APN shown above truly "FONAnet"?

Looking over your three sims in order of your first paragraph, I find these APN names on their "settings" webpage: giffgaff.com, pp.vodafone.co.uk, and everywhere. I see too you may need to enter a "USER" and "PWD" for some of the APNs (also shown on their webpages).

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