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Firmware · 2018-06-15

Uniden SDS100 firmware 1.02.05a main (open beta)

Verified — manufacturer file

Download zip (2.1 MB) Manufacturer's page ↗

Open-beta main firmware 1.02.05a, posted by Uniden on RadioReference on 15 June 2018 to test fixes for P25 sites missing calls with a good signal, EDACS and Harris P25 systems missing calls, and inconsistent backlight operation.

Read before installing. BETA - superseded. Posted by Uniden (forum user UPMan) in a RadioReference open-beta thread; kept for the record. A scanner should run the current public release via Sentinel.
Product
SDS100 firmware
Version
1.02.05a main (open beta)
Released
2018-06-15
Runs on
Any PC that can copy files to a USB mass-storage device
Applies to
Uniden SDS100
Zip SHA-256
c300a4a607366c34d33480e622dc454667fca149002dc11fc4da012b52b3a17b

Contents

FileSizeSHA-256
SDS-100_V1_02_05a.bin2.1 MB6846b0c9659dbd77dbddd64cac94fc41c0a87952872342fa63644d71b832cc1f
README.txtThese instructions
SHA256SUMSChecksums of the files above

Instructions

The complete README.txt included in the zip:

Uniden SDS100 firmware 1.02.05a main (open beta)
================================================

WHAT THIS IS
Open-beta main firmware 1.02.05a, posted by Uniden on RadioReference on 15
June 2018 to test fixes for P25 sites missing calls with a good signal, EDACS
and Harris P25 systems missing calls, and inconsistent backlight operation.

IMPORTANT: BETA - superseded. Posted by Uniden (forum user UPMan) in a
RadioReference open-beta thread; kept for the record. A scanner should run the
current public release via Sentinel.

This is BETA firmware from 2018-2019. Uniden hosted it in the "PartnerWeb"
area of its support wiki and announced it in RadioReference open-beta threads.
It is superseded and is kept for the record only.

APPLIES TO
The Uniden SDS100 (US model) only. Not for the SDS100E/SDS200E, SDS150,
BCD436HP or BCD536HP.

BEFORE STARTING
  - A Windows PC and the scanner's USB cable (SDS100: mini-USB port on the
    side; SDS200: mini-USB port on the front).
  - A backup of the whole microSD card and of the Favorites Lists (Sentinel).
  - SDS100: a charged battery. SDS200: the power supply connected.

CONTENTS OF THIS ZIP
The download zip holds the vendor file exactly as Uniden published it, plus
this README.txt and SHA256SUMS.

  SDS-100_V1_02_05a.bin  (2162688 bytes)
    SHA-256 6846b0c9659dbd77dbddd64cac94fc41c0a87952872342fa63644d71b832cc1f

INSTALLATION
Uniden's beta posts gave only brief steps ("copy the appropriate file ... to
the firmware folder of your scanner and reboot"); the fuller steps below
follow Uniden's later manual-install readmes for the same scanners.

  1. Connect the scanner and choose Mass Storage (press E at "Select USB
     mode").
  2. Open the removable disk, then BCDx36HP -> firmware. Leave the two .dat
     files alone.
  3. Copy SDS-100_V1_02_05a.bin into the "firmware" folder.
  4. Restart the scanner; it applies the update while booting. Do not
     interrupt it.

VERIFYING
Menu -> Settings -> See Scanner Information -> Firmware Version.

IF SOMETHING GOES WRONG
  - Beta firmware was issued for testing and carries no support. Return to a
    public release with Sentinel -> UPDATE -> Update Firmware.
  - If the scanner will not start properly after files were removed from the
    "firmware" folder, Sentinel -> Clear User Data rebuilds the card (erasing
    user data).

DOWNGRADING
Moving back to an older public build by hand uses the same copy-and-restart
method with that build's files. Sentinel always installs the newest release.

PROVENANCE
  - Official source:
    https://info.uniden.com/twiki/pub/PartnerWeb/SDS100-beta/SDS-100_V1_02_05a.bin
  - Announced in:
    https://forums.radioreference.com/threads/sds100-firmware-1-02-05a-for-open-beta.372091/
  - Wayback copy:
    https://web.archive.org/web/20240512185721/http://info.uniden.com/twiki/pub/PartnerWeb/SDS100-beta/SDS-100_V1_02_05a.bin
  - Retrieved: 2026-09-18. Status: verified (Uniden's own server; SHA-1
    matches the Wayback capture).

MORE INFORMATION
  - scanners.fubsypoly.com, Uniden SDS100 - Vol 5, Upgrades & Firmware:
    https://scanners.fubsypoly.com/uniden-sds100/vol-5/
  - Reference Library, Easier to Read SDS100/SDS200 Manual:
    https://scanners.fubsypoly.com/library/easier-to-read-sds100-200-manual/
  - Uniden change log:
    https://info.uniden.com/twiki/bin/view/UnidenMan4/SDS100FirmwareUpdate

Other versions of SDS100 firmware

← All Uniden SDS100 downloads