BC125AT Firmware Update

Uniden updates the operating software (firmware) of its scanner product from time to time to add or change features, fix bugs, and overall to keep our products up-to-date with the latest rules and technologies. Follow the instructions on this page to apply the latest firmware to your BC125AT scanner.

Applying the Update

Follow these simple steps to update your BC125AT to the most recent version.
  1. Download BC_VUP_V3_03_00.zip and unzip the contents to a folder on your computer.
  2. Navigate to the folder you used in step 1, and run the "Setup.exe" file in that folder. The firmware update application "BC_VUP3" will be installed on your PC.
  3. Run the application you installed in Step 2 and follow the prompts to apply the latest update to your scanner.
temp

Note that you should also download and install the latest version of the PC software from BC125AT.

Firmware Changelog

1.06.06 (May 10, 2022 - Current release version)

Caution: Please BACKUP your data before applying this update. Some users have noted clearing of the frequency data.

Fixed a problem that squelch may open on a channel with no assigned frequency (0.0000 MHz) when using '370A' Serial Number units.

There is no change in functionality or performance on '370Z' Serial Number units.

1.06.05 (July 14, 2020)

Caution: Please BACKUP your data before applying this update. Some users have noted clearing of the frequency data.

Please check your scanner's serial number before updating.

If your scanner's serial number starts with 370A, be sure to use ONLY this (or newer) version. The scanner will stop working using earlier versions.

If your scanner's serial number starts with 370Z, you can update to this (or newer) version.

Housekeeping update to acommodate revised hardware - No functional change from 1.05.01.

1.05.01 (December 19, 2019)

Housekeeping update to acommodate revised hardware - No functional change from 1.04.02.

1.04.02 (November 12, 2012)

Minor update - updated charge time values.

1.03.01 (September 5, 2012)

DO NOT install this version on radio with serial number that starts with 370A.

If you install this version to a unit that starts with S/N 370A, the scanner will stop working. To restore function, you will need to update to the latest version.

Added a function to select USA or Canadian band plans on power up:

Improve on the issue reported at: http://forums.radioreference.com/uniden-scanners/232936-bc125at-post-release-thread-3.html#post1742547

1.02.05 (April 27, 2012)

This update makes the following changes: