# Firmware upgrade for RC76xx series

**URL:** <https://forum.sierrawireless.com/t/firmware-upgrade-for-rc76xx-series/24710>\
**Category:** RC76\
**Created:** [August 27, 2021, 3:12pm UTC](https://forum.sierrawireless.com/t/firmware-upgrade-for-rc76xx-series/24710 "2021-08-27T15:12:24Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**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:** [August 27, 2021, 5:16pm UTC](https://forum.sierrawireless.com/t/firmware-upgrade-for-rc76xx-series/24710/2 "2021-08-27T17:16:20Z")

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You can use the MBPL sdk  
You can see this discussion thread:

> [@How to update the RC7620 firmware with "qmi-update-firmware"](https://forum.sierrawireless.com/t/how-to-update-the-rc7620-firmware-with-qmi-update-firmware/24154/24):
>
> How did you enter at!boothold then? You should use /dev/ttyUSB2, right?

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