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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
One caveat of modem mode, is that it does not seem to reliably respond to AT commands, as it appears the dongle is generating its own AT commands internally, presumably part of it's web interface thing. It does appear to respond to the AT+CGDATA command to start a data session, with almost no other interaction required on the behalf of the Firebrick.
==Switching to
Download, or debug mode is where the dongle acts as a serial modem device.
[[File:ZTEMF823-mode.png|right|thumbnail|Disabling Autoconnect]]
[[File:ZTE APN Settings.png|right|thumbnail|Setting APN]]
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