At+Qfdwl Download The File From The Storage - Quectel WCDMA UG FILE Series At Command Manual

MCU receives this „A‟ and then sends the next 1K bytes data;
4)
5) Repeat step 3) and 4) until the transfer is completed.

2.5. AT+QFDWL Download the File from the Storage

AT+QFDWL downloads the file from the module storage.
AT+QFDWL Download the File from the Storage
Test Command
AT+QFDWL=?
Write Command
AT+QFDWL=<file_name>
Parameter
<file_name>
<download_size>
<checksum>
<err>
NOTES
"+++" sequence will cause TA to end the command and switch to command mode.
1.
2. <checksum> is a 16 bit checksum based on bitwise XOR.
WCDMA_UGxx_FILE_AT_Commands_Manual
Response
+QFDWL: <file_name>
OK
Response
CONNECT
TA switches to data mode, and the bin data of the file will be
outputted. When the file is read over, TA will return to
command mode and reply the following codes:
+QFDWL: <download_size>,<checksum>
OK
or
+CME ERROR: <err>
The name of the file to be downloaded. The max length is 80 letters
"RAM: <file_name>"
The size of the downloaded data
The checksum of the downloaded data
The error code from the module (see the Appendix A)
WCDMA UGxx FILE AT Commands Manual
The downloaded file in RAM
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UMTS/HSPA Module Series
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