# Swiflash PORT not found

**URL:** <https://forum.sierrawireless.com/t/swiflash-port-not-found/30806>\
**Category:** Uncategorized\
**Created:** [October 9, 2023, 4:54pm UTC](https://forum.sierrawireless.com/t/swiflash-port-not-found/30806 "2023-10-09T16:54:56Z")\
**Posts on this page:** 1\
**Showing post:** 18

<div class="post-metadata">

**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\
**Post date:** [October 10, 2023, 4:03pm UTC](https://forum.sierrawireless.com/t/swiflash-port-not-found/30806/18 "2023-10-10T16:03:18Z")

</div>

If you are using fwdwl application in boot and hold mode, you need to add “-c QMI” parameter:

```auto

owner@ubuntu:~/QMI/MBPL/MBPL_SDK_R32_ENG2-fwdwl.bin/SampleApps/lite-fw-download$ sudo ./bin/fwdwl-litehostx86_64 -c QMI -m 4 -d /dev/ttyUSB0 -f /home/owner/Desktop/FW_WP76/
Application version: 1.0.2303.0
INFO: QDL Port: /dev/ttyUSB0
INFO: Device Path: 
INFO: FW Path: /home/owner/Desktop/FW_WP76/
Modem is already in QDL mode. Continuing FW download.
Waiting for modem to come up in BOOT and HOLD mode ...
BOOT and HOLD Mode. Downloading firmware ...
Downloading: /home/owner/Desktop/FW_WP76//WP76xx_Release16.0.1_GENERIC.spk
All image data was downloaded successfully.
Device is about to reset ...
Waiting for modem to come up in ONLINE mode ...

```

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