# EM7565 Any Special Hardware Conditions for Flashing Firmware?

**URL:** <https://forum.sierrawireless.com/t/em7565-any-special-hardware-conditions-for-flashing-firmware/35847>\
**Category:** MC/EM Series\
**Created:** [April 27, 2026, 3:31pm UTC](https://forum.sierrawireless.com/t/em7565-any-special-hardware-conditions-for-flashing-firmware/35847 "2026-04-27T15:31:11Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jacob.shade](https://avatars.discourse-cdn.com/v4/letter/j/9de0a6/32.png) [@jacob.shade](https://forum.sierrawireless.com/u/jacob.shade)\
**Post date:** [April 27, 2026, 6:38pm UTC](https://forum.sierrawireless.com/t/em7565-any-special-hardware-conditions-for-flashing-firmware/35847/5 "2026-04-27T18:38:36Z")

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I did try those commands for adding permissions with chmod 777, see my previous reply. I also tried the firmware download command with -d and -p but it still gives the firehose error

`$ sudo ~/Downloads/MBPL_SDK_R46_ENG5-fwdwl/SampleApps/fw-download-tool/bin/fw-download-toolhostx86_64 -f ~/Downloads/SWI9X50C_01.14.02.00_TMO_002.003_003 -d /dev/ttyUSB0 -p /dev/cdc-wdm2 -t 1`  
`Application version: 1.0.2509.0`  
`INFO: QDL Port: /dev/ttyUSB0`  
`INFO: Device Path: /dev/cdc-wdm2`  
`INFO: Device Port: 0-0`  
`INFO: FW Path: /home/jacob/Downloads/SWI9X50C_01.14.02.00_TMO_002.003_003`  
`Target image Info:`  
`Carrier :TMO`  
`FW Version :01.14.02.00`  
`Model ID :SWI9X50C`  
`Package ID :003`  
`PRI Version:002.003`  
`SKU :9999999`  
`Switching device into download mode for image switch …`  
`Modem Needs PRI`  
`Waiting for modem to disconnect from the host …`  
`Modem disconnected from host.`  
`Waiting for modem to come up in BOOT and HOLD mode …`  
`BOOT and HOLD Mode. Downloading firmware …`  
`Downloading: /home/jacob/Downloads/SWI9X50C_01.14.02.00_TMO_002.003_003/SWI9X50C_01.14.02.00_TMO_002.003_003.nvu`  
`FW download failed: eSDP_FWDWL_ERR_FIREHOSE_STATE_ERR(120)`

Yes I am using the R46 MBPL drivers on both systems.

`at!usbcomp?`  
`Config Index: 1`  
`Config Type: 3 (Generic)`  
`Interface bitmask: 0000010D (diag,nmea,modem,rmnet0)`

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