Data connection failed on Legato 15.10


Device: AR7554
IMEI: 3527680500xxxxx
FSN: LM5282003xxxxxx
Firmware: SWI9X15A_07.03.05.00 r29574 CNSHZ-AR-BUILD 2015/08/26 12:38:20
Bootloader: SWI9X15A_07.03.05.00 r29574 CNSHZ-AR-BUILD 2015/08/26 12:38:20

APN setting is correct and execute
#cm data connect

The error message in logread:
Dec 17 21:55:17 swi-mdm9x15 user.err Legato: =ERR= | modemDaemon[32655]/le_pa_ecall T=main | swiQmi.c swiQmi_CheckResponseCode() 690 | Sending QMI_WDS_START_NETWORK_INTERFACE_REQ_V01 failed: rc=0 (), resp.result=1, resp.error=0x000E

Can anyone help me?


What is the answer of the following commands?

cm radio cm data
The default PDP type used for the data connection is “IPV4V6” which is not supported by some network operators.
Try to modify it with this command:

Then retry to connect with



The problem is gone after I updated legato framework by executing the command:
$ instlegato build/ar7