# ULPM fimrware version 002.011 doesn't work for wp77xx

**URL:** <https://forum.legato.io/t/ulpm-fimrware-version-002-011-doesnt-work-for-wp77xx/4593>\
**Category:** Uncategorized\
**Created:** [July 26, 2019, 5:51pm UTC](https://forum.legato.io/t/ulpm-fimrware-version-002-011-doesnt-work-for-wp77xx/4593 "2019-07-26T17:51:35Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![aashwini](https://avatars.discourse-cdn.com/v4/letter/a/9f8e36/32.png) [@aashwini](https://forum.legato.io/u/aashwini)\
**Post date:** [July 26, 2019, 5:51pm UTC](https://forum.legato.io/t/ulpm-fimrware-version-002-011-doesnt-work-for-wp77xx/4593/1 "2019-07-26T17:51:35Z")

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ulpm doesn’t work with legato 19.04.0 and ulpm firmware version/ mcu version 002.011.

It WORKS with legato 19.02.0 and ulpm firmware version/ mcu version 002.009.

Please fix this issue in the latest release.  
[https://source.sierrawireless.com/resources/airprime/software/wp77xx/wp77xx-firmware-latest-release/](https://source.sierrawireless.com/resources/airprime/software/wp77xx/wp77xx-firmware-latest-release/)

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**Author:** ![CoRfr](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/corfr/32/69_2.png) [@CoRfr](https://forum.legato.io/u/CoRfr)\
**Post date:** [September 5, 2019, 2:33pm UTC](https://forum.legato.io/t/ulpm-fimrware-version-002-011-doesnt-work-for-wp77xx/4593/2 "2019-09-05T14:33:46Z")

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FYI, this issue is being discussed as a GitHub issue: [ULPM doesn't work with MCU version 002.011 for wp77xx · Issue #45 · legatoproject/legato-af · GitHub](https://github.com/legatoproject/legato-af/issues/45)