Changes

Mobile data connection troubleshooting (view source)

Revision as of 11:58, 21 May 2020

7 bytes removed ,  11:58, 21 May 2020
→‎Debugging process
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'''Note:''' reboot the module if it fails to identify SIM
 
'''Note:''' reboot the module if it fails to identify SIM
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+
*Use command '''AT+CREG''' to check GSM connection:
−
 
  −
* Use command '''AT+CREG''' to check GSM connection:
   
  ...
 
  ...
 
  AT+CREG?
 
  AT+CREG?
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