Retreive Application from device


#1

Hello all,

Can anyone tell me if its possible to retrieve an application back out of a device?

The device that I am using is a Q2686 device which has applications uploaded to it using AT+WDWL.

I am thinking / requiring to do this to ensure that the application has not become corrupt.

Regards

Barry


#2

There is a way to read the flash of the device, but you will have to contact your Sierra Wireless representative to get the required tools.


#3

Please note that the FW verifies the application binary consistency before starting it (checksum reckoning).
If for any reason the application is corrupted, the FW won’t start it.


#4

True. There is also the auto-rollback functionality where if a corrupted application is downloaded onto the unit, and it fails to start up 5 times, the firmware will automatically roll back to the previous application (for example, if you cancel an application download halfway through).