# Firmware upgrade t v1.5.4+

**URL:** <https://bbs.aprbrother.com/t/firmware-upgrade-t-v1-5-4/1827>\
**Category:** BLE Gateway\
**Created:** [February 8, 2022, 4:01pm UTC](https://bbs.aprbrother.com/t/firmware-upgrade-t-v1-5-4/1827 "2022-02-08T16:01:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DAMSR](https://bbs.aprbrother.com/letter_avatar_proxy/v4/letter/d/6a8cbe/32.png) [@DAMSR](https://bbs.aprbrother.com/u/DAMSR)\
**Post date:** [February 8, 2022, 4:01pm UTC](https://bbs.aprbrother.com/t/firmware-upgrade-t-v1-5-4/1827/1 "2022-02-08T16:01:07Z")

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I am unable to update the firmware from v1.4.15 to v1.5.4. When I try to update using the configuration tool, I get a “Firmware updated successfully” message but the version does not change . It remains at 1.4.15.

Please assist. This is urgent.

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**Author:** ![aprilpea](https://bbs.aprbrother.com/user_avatar/bbs.aprbrother.com/aprilpea/32/9_2.png) [@aprilpea](https://bbs.aprbrother.com/u/aprilpea)\
**Post date:** [February 9, 2022, 3:18am UTC](https://bbs.aprbrother.com/t/firmware-upgrade-t-v1-5-4/1827/2 "2022-02-09T03:18:26Z")

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We pushed OTA files for v1.4.15 to v1.5.4.1 again. Please try it