Hello,
I'm tryng to update nRF9160sip (rev b1), I push sw4 on power on and I see "MCUBOOT" device on "Programmer v3.03"

Then I select file "mfw_nrf9160_1.3.2.zip" and i click write
but the device disconnects...this is the log file
2022-08-25T09:50:35.376Z DEBUG Application data folder: C:\Users\giuliano.REDOX\AppData\Roaming\nrfconnect\pc-nrfconnect-programmer
2022-08-25T09:50:35.445Z INFO Using nrf-device-lib-js version: 0.4.11
2022-08-25T09:50:35.445Z INFO Using nrf-device-lib version: 0.11.8
2022-08-25T09:50:35.446Z INFO Using nrfjprog DLL version: 10.15.4
2022-08-25T09:50:35.446Z INFO Using JLink version: JLink_V7.58b
2022-08-25T09:50:35.491Z DEBUG App pc-nrfconnect-programmer v3.0.3 official
2022-08-25T09:50:35.491Z DEBUG App path: C:\Users\giuliano.REDOX\.nrfconnect-apps\node_modules\pc-nrfconnect-programmer
2022-08-25T09:50:35.491Z DEBUG nRFConnect 3.11.1, required by the app is (^3.11.1)
2022-08-25T09:50:35.491Z DEBUG nRFConnect path: C:\Users\giuliano.REDOX\AppData\Local\Programs\nrfconnect\resources\app.asar
2022-08-25T09:50:35.491Z DEBUG HomeDir: C:\Users\giuliano.REDOX
2022-08-25T09:50:35.491Z DEBUG TmpDir: C:\Users\giuliano.REDOX\AppData\Local\Temp
2022-08-25T09:50:39.060Z INFO Update files regions according to Application core
2022-08-25T09:50:39.061Z INFO Parse memory regions for file
2022-08-25T09:51:36.326Z INFO Checking ZIP file: D:\tmp\nordic\thingy91\mfw_nrf9160_1.3.2.zip
2022-08-25T09:51:36.339Z INFO File was last modified at 2/6/2022, 14:08:46
2022-08-25T09:52:45.703Z INFO Modem DFU starts to write...
2022-08-25T09:52:45.703Z INFO Writing D:\tmp\nordic\thingy91\mfw_nrf9160_1.3.2.zip to device 22EBD22AF636A302
2022-08-25T09:52:49.859Z INFO Target device closed
2022-08-25T09:52:55.179Z ERROR Modem DFU failed with error: async task failure for id: 145202442426 msg: Error when programming through MCUBoot: Unable to program MCUBoot image from buffer.. Error code: 600 (Unknown). (Origin: "Error when running fw program.")
2022-08-25T09:52:55.180Z ERROR async task failure for id: 145202442426 msg: Error when programming through MCUBoot: Unable to program MCUBoot image from buffer.. Error code: 600 (Unknown). (Origin: "Error when running fw program.")
can you help me, please?
thanks
Giuliano