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Im trying to send a SMS message using the SIM800L GPRS GSM module.

I know this might sound stupid but, do I need to load my SIM first before it can send SMS message?

If possible, can I just pay after it sends the message without load balance beforehand?

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  • \$\begingroup\$ how is this an electronics design question? ... call your provider ... see if they laugh \$\endgroup\$
    – jsotola
    Nov 15 '20 at 6:19
  • \$\begingroup\$ Ah??? Ask your network provider if they give free SMS? How do we know. \$\endgroup\$
    – Mitu Raj
    Nov 15 '20 at 8:32
  • \$\begingroup\$ This should be no different that sending an SMS from a phone using the same SIM. It depends on the wireless provider. \$\endgroup\$
    – DoxyLover
    Nov 16 '20 at 11:38
  • \$\begingroup\$ Yes it is a stupid question, and I'm ridiculed by posting it to this thread. Im gonna laugh \$\endgroup\$ Nov 28 '20 at 12:07

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