Hello, I have got an old EC20 for free and wish to upgrade the firmware, can you send it to me please? Can you also include the changelog of firmware version?
AT+CGMM
EC20
OK
AT+CGMI
Quectel
OK
AT+CGMR
EC20EQAR02A08E2G
OK
Sorry to post again, but can you also send the AT manual command PDF for my EC20 please?
I have sent the latest firmware to your email, pls check, and I hope you can click the 
for me, thx
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I have sent it to your email, pls check
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