SimCom SIM7000 Series At Command Manual page 160

Test Command Response
AT+HTTPTOFS= +HTTPTOFS: (1-255),(1-127)
?
OK
Read Command Response
AT+HTTPTOFS? +HTTPTOFS: <status>,<url>,<file_path>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameters
See Write Command
Write Command Response
AT+HTTPTOFS= OK
<url>,<file_path>
+HTTPTOFS: <StatusCode>,<DataLen>
Parameters
<status>
<url>
<file_path>
","/fota/test.bin"
<StatusCode> HTTP Status Code responded by remote server, it
identifier refer to HTTP1.1(RFC2616)
<DataLen>
SIM7000 Series_AT Command Manual_V1.03
0 Idle
1 Busy
The url
File path and name on ap side,
For example: "/customer/test.bin","/custapp/ test.bin
100 Continue
200 OK
206 Partial Content
400 Bad Request
404 Not Found
408 Request Time-out
500 Internal Server Error
600 Not HTTP PDU
601 Network Error
602 No memory
603 DNS Error
604 Stack Busy
620 SSL continue
65535 Other Errors
The length of data download
160
Smart Machine Smart Decision
2018-05-08