# \#ts-4900

**URL:** https://hub.mender.io/tag/ts-4900/140.md

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## [Mender\_boot\_part and upgrade\_available disappear from u-boot environment after artifact update](https://hub.mender.io/t/mender-boot-part-and-upgrade-available-disappear-from-u-boot-environment-after-artifact-update/2452)

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**Author:** [@mnorian](https://hub.mender.io/u/mnorian)\
**Replies:** 8\
**Last updated:** [September 25, 2020, 7:03am UTC](https://hub.mender.io/t/mender-boot-part-and-upgrade-available-disappear-from-u-boot-environment-after-artifact-update/2452 "2020-09-25T07:03:48Z")

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I have been struggling with this issue for a while, I would really appreciate the guidance. I am trying to integrate mender 2.3 with the board ts-4900, it has an older u-boot version 2014.10, after I deploy a new artifa…