Write to a file in Simcom modules

To write to a file in SIM7XX modules,

  • Allocate data buffer using the AT+CFSINIT command
  • Setup the folder, file name and the mode (append or overwrite)using the AT+CFSWFILE command
  • Write the file data to the serial port
  • Free the data buffer using the AT+CFSTERM command

AT Command Tester tool provides an easy to use interface to test writing files to Simcom modules.

Write file to device

Keywords: Module , M2M , GPRS , 3G , through AT commands,