# 0.4.3 Firmware Release for Photon/P1

**URL:** <https://community.particle.io/t/0-4-3-firmware-release-for-photon-p1/13327>\
**Category:** Firmware\
**Created:** [July 16, 2015, 3:18am UTC](https://community.particle.io/t/0-4-3-firmware-release-for-photon-p1/13327 "2015-07-16T03:18:47Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![mdma](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/mdma/32/1924_2.png) [@mdma](https://community.particle.io/u/mdma)\
**Post date:** [July 16, 2015, 10:52pm UTC](https://community.particle.io/t/0-4-3-firmware-release-for-photon-p1/13327/10 "2015-07-16T22:52:46Z")

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> [@Determining the version of system firmware on a Photon/P1](https://community.particle.io/t/determining-the-version-of-system-firmware-on-a-photon-p1/13324):
>
> Here’s how you can determine what version of system firmware is installed on your device: connect your device to your computer with a USB cable press the SETUP button for 3 seconds to enter [setup mode](http://docs.particle.io/photon/connect). using a serial monitor such as PuTTY (Windows) or screen (linux/OSX), to connect to the device press ‘v’ - this prints the system version, e.g. 0.4.5 If this produces no output, then you most likely have an older version (pre 0.4.4) that doesn’t support this command. Instead, press s…

First search result for "photon firmware version" 😄

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_[View the full topic](https://community.particle.io/t/0-4-3-firmware-release-for-photon-p1/13327)._