| Product |
Filename |
Version |
Description |
Release Date |
| R4 |
R4R8_R4WR8W_GPS_DB_20260407.zip |
2026/04/07 |
Database Update 20260407
|
04/13/2026 |
| R4 |
R4_20260407.zip |
1.39 |
Firmware Update v1.39
- Release Notes
- New GPS DB 260407 has been applied.
|
04/13/2026 |
| R4 |
R4R8_R4WR8W_GPS_DB_20260105.zip |
2026/01/05 |
Database Update 20260105
|
01/30/2026 |
| R4 |
R4_20260114.zip |
1.39 |
Firmware Update v1.39
- Release Notes
- Added support for the Laser I/F, Junction Box, associated menus, Installer Test Mode, and R/Tach app.
- GPS DB updated to 260105
|
01/30/2026 |
| R4 |
R4_20251031.zip |
1.38 |
Firmware Update v1.38
- Release Notes
- Applied defensive code and a watchdog system to the GPS firmware to prevent errors.
- Applied filtering to remove the Ka 33.750Ghz signal emitted from inside of some Chevrolet cars.
|
11/03/2025 |
| R4 |
R4R8_R4WR8W_GPS_DB_20251002.zip |
2025/10/02 |
Database Update 20251002
|
10/10/2025 |
| R4 |
R4R8_R4WR8W_GPS_DB_20250702.zip |
2025/07/02 |
Database Update 20250702
|
07/30/2025 |
| R4 |
R4_20250707.zip |
1.37 |
Firmware Update v1.37
Bundled with the latest database 2025/07/02. See previous for release notes. |
07/30/2025 |
| R4 |
R4R8_GPS_DB_20250403.zip |
2025/04/03 |
Database Update 20250403
Database 2025/04/03. This database update is only compatible with the R4, R4W, R8 and R8W models. Please do not update this GPS with any other models.
|
04/09/2025 |
| R4 |
R4_20250408.zip |
1.37 |
Firmware Update v1.37
Bundled with the latest database 2025/04/03. See previous for release notes. |
04/09/2025 |
| R4 |
Uniden R Series Tool v2.23.zip |
2.23 |
Update Tool v2.23
This tool is only for Windows OS. |
03/06/2025 |
| R4 |
Uniden R Series Tool v2.22_MAC.zip |
2.22 |
Update Tool v2.22 (Mac Only)
This tool is only compatible with MacOS. Changelog: - Add user settings (Menu) for the latest version for each model
- Compatible with the R4w and R8w
- Showing versions of Sound, BT or BT/Wi-FI that were not shown in the previous tools
- The way DB version is displayed is changed from “US DB : ___. ___. ___. ___. 2024/11/29” to “US DB : 2024/11/29”.
- CP210x Driver installation error is fixed.
|
02/18/2025 |
| R4 |
Uniden R Series Tool v2.15_MAC.zip |
2.15 |
Update Tool v2.15 (Mac Only)
This tool is only compatible with MacOS. Please use the following instructions if there are issues with CP210x driver installation: MacOS Tool 2.15 Malware & Driver Walkthrough If issues still persist, please contact our technical support team. |
01/27/2025 |
| R4 |
R4_20250124.zip |
1.37 |
Firmware Update v1.37
Bundled with the latest database 2025/01/03.
Increased stack memory size when reorganizing memory space for Auto Mute Memory points to avoid program stack overflow. |
01/24/2025 |
| R4 |
R4R8_GPS_DB_20250103.zip |
2025/01/03 |
Database Update 20250103
Database 2025/01/03. This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
01/06/2025 |
| R4 |
R4_20250108.zip |
1.37 |
Firmware Update v1.37
Bundled with the latest database 2025/01/03. See previous for release notes. |
01/08/2025 |
| R4 |
R4_20241112.zip |
1.37 |
Firmware Update v1.37
Please use the Uniden R Series Tool to update your firmware. - Release Notes
- The K Block Lv settings is changed from 3.0 to 5.0 to 0.5 to 5.0.
|
12/16/2024 |
| R4 |
Uniden R Series Tool v2.22 Setup.zip |
2.22 |
Update Tool v2.22
This tool is only for Windows OS. |
12/04/2024 |
| R4 |
R4_20241108.zip |
1.36 |
Firmware Update v1.36
Please use the Uniden R Series Tool to update your firmware. - Release Notes
- Factory default of Bluetooth is changed from Off to On.
- Laser Atlanta Stealth gun detection is added.
- K block 3 filter (24.123 ~ 24.124GHz) is added.
- User K Block Filter 1, 2, 3, 4, 5 are added.
- Selective mute memory frequency feature is added.
- Auto Mute Alert Level feature is added. The existing Auto Mute On/Off is deleted from the menu and Auto Mute is integrated into Auto Mute Alert Level as below.
- Off is the same as the behavior of the existing Auto Mute Off, and the Auto mute function does not work when setting it to off. When setting it to Off, the Auto Mute Level function is not turned off, but the Auto Mute function is turned off.
- If setting it to 1~4 level, the alert is auto muted only when the alert level is below the set Auto Mute level, and if an alert level exceeds the set Auto Mute level, it will not be auto muted.
- If setting it to 5 level, Auto mute is applied to all levels, so it works the same as the existing Auto Mute On. (Auto Mute Level: 5 = Auto Mute On)
- Alert temporary volume feature is added. During an alert, it works separately and temporarily from the main volume.
- Main Volume setting is added to the Menu.
- Low speed (5Km/h) filter for POI (Redlight, Speed cam) alerts is added.
- The Auto Mute Memory related values are adjusted to Delete count 5, Visit interval 4, Delete radius 60m, Mute radius 400m, Delete check 2 sec.
- The level setting of the K block filter to be automatically changed to match the selected mode when changing the highway<->city mode.
|
11/08/2024 |
| R4 |
R4R8_DB_20241002.zip |
2024/10/02 |
Database Update 20241002 Database 2024/10/02. This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
10/08/2024 |
| R4 |
R4_20241002.zip |
1.30 |
Firmware Update v1.30 Bundled with the latest database 2024/10/02. |
10/02/2024 |
| R4 |
R4R8_GPS_DB_20240702.zip |
2024/07/02 |
Database Update 20240702
- Please use the Uniden R Series Tool to update your firmware.
|
07/08/2024 |
| R4 |
R4_20240708.zip |
1.30 |
Firmware Update v1.30
- Bundled with the latest database 2024/07/02.
- Please use the Uniden R Series Updater to update your firmware.
|
07/08/2024 |
| R4 |
Uniden R Series Tool v2.14_MAC.zip |
2.14 |
Update Tool v2.14 This tool is for Mac OS. |
06/24/2024 |
| R4 |
Uniden R Series Tool v2.21.zip |
2.21 |
Update Tool v2.21
This tool is only for Windows OS. |
06/20/2024 |
| R4 |
R4_20240408.zip |
1.30 |
Firmware Update v1.30
- Please use the Uniden R Series Tool to update your firmware.
|
04/08/2024 |
| R4 |
Uniden R Series Tool v2.18.zip |
2.18 |
Update Tool v2.18
This tool is only for Windows OS. |
02/22/2024 |
| R4 |
R4R8_GPS_DB_20240124.zip |
20240124 |
Database Update 20240124
This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
01/24/2024 |
| R4 |
R4_20230519.zip |
1.29 |
Firmware Update v1.29
- Please use the Uniden R Series Tool to update your firmware.
If the R4 fails after "DPS Retry" shows on the firmware update progress bar. Unplug the cable then press and hold the VOL- and VOL+ at the same time. While holding those 2 buttons, then plug in the USB cable. Check the "Recovery Mode" box, then start the update.
|
05/19/2023 |
| R4 |
Uniden R Series Tool v2.11.zip |
2.11 |
Update Tool v2.11
|
05/10/2023 |
| R4 |
R4R8_GPS_DB_20230406.zip |
20230406 |
Database Update 20230406
This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
04/06/2023 |
| R4 |
R4R8_GPS_DB_20230404.zip |
20230404 |
Database Update 20230404
This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
04/04/2023 |
| R4 |
R4_20230316.zip |
1.27 |
Firmware Update v1.27
- Please use the Uniden R Series Tool to update your firmware.
If the R4 fails after "DPS Retry" shows on the firmware update progress bar. Unplug the cable then press and hold the VOL- and VOL+ at the same time. While holding those 2 buttons, then plug in the USB cable. Check the "Recovery Mode" box, then start the update.
|
03/16/2023 |
| R4 |
R4R8_GPS_DB_20230104.bin |
20230104 |
Database Update 20230104
This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
01/12/2023 |
| R4 |
R4_20230112.zip |
1.26 |
Firmware Update v1.26 Bundled with database 2023/01/04. See previous for release notes.
- Please use the Uniden R Series Tool to update your firmware.
If the R4 fails after "DPS Retry" shows on the firmware update progress bar. Unplug the cable then press and hold the VOL- and VOL+ at the same time. While holding those 2 buttons, then plug in the USB cable. Check the "Recovery Mode" box, then start the update.
|
01/12/2023 |
| R4 |
R4_20221121.zip |
1.26 |
Firmware Update v1.26
- Bundled with database 2022/10/04.
- Please use the Uniden R Series Tool to update your firmware.
- If the R4 fails after "DPS Retry" shows on the firmware update progress bar.
Unplug the cable then press and hold the VOL- and VOL+ at the same time. While holding those 2 buttons, then plug in the USB cable. Check the "Recovery Mode" box, then start the update.
- Release Notes
- If the Radar detects during the POI alert, both will be displayed on OLED display.
- The background noise when using earphones has been improved.
- The candidate signals display modified to be arranged according to the priority.
- It supports the user setting editing function which is available from the Uniden R Series Tool V2.08.
- The detection range of K/Ka band has been improved.
|
11/16/2022 |
| R4 |
Uniden R Series Tool v2.08.zip |
2.08 |
Update Tool v2.08
|
11/16/2022 |
| R4 |
R4R8_GPS_DB_20221004.bin |
20221004 |
Database Update 20221004
This database update is only compatible with the R4 and R8 models. Please do not update this GPS with any other models.
|
10/04/2022 |
| R4 |
CP210x_Windows_Drivers.zip |
|
USB Drivers
|
|
| R4W |
Uniden R Series Tool v2.25 Setup.zip |
2.25 |
Update Tool v2.25
|
05/19/2026 |
| R4W |
R4R8_R4WR8W_GPS_DB_20260407.zip |
2026/04/07 |
Database Update 20260407
|
04/13/2026 |
| R4W |
R4W_20260407.zip |
1.22 |
Firmware Update v1.22
- Release Notes
- New GPS DB 260407 has been applied.
|
04/13/2026 |
| R4W |
R4R8_R4WR8W_GPS_DB_20260105.zip |
2026/01/05 |
Database Update 20260105
|
01/30/2026 |
| R4W |
R4W_20260114.zip |
1.22 |
Firmware Update v1.22
- Release Notes
- Added support for the Junction Box menu in the R/Tach app.
- GPS DB updated to 260105
|
01/30/2026 |
| R4W |
R4W_20251031.zip |
1.21 |
Firmware Update v1.21
- Release Notes
- Applied defensive code and a watchdog system to the GPS firmware to prevent errors.
- Applied filtering to remove the Ka 33.750Ghz signal emitted from inside of some Chevrolet cars.
|
11/03/2025 |
| R4W |
R4R8_R4WR8W_GPS_DB_20251002.zip |
2025/10/02 |
Database Update 20251002
|
10/10/2025 |
| R4W |
R4W_20251010.zip |
1.20 |
Firmware Update v1.20
- Release Notes
- Added Menu and Installer Test Mode support for the Junction Box
- Fixed BLE connection issues with certain smartphones
- New GPS DB 251002 has been applied
|
10/10/2025 |
| R4W |
R4R8_R4WR8W_GPS_DB_20250702.zip |
2025/07/02 |
Database Update 20250702
|
07/30/2025 |
| R4W |
R4W_20250707.zip |
1.18 |
Firmware Update v1.18
Bundled with the latest database 2025/07/02. See previous for release notes. |
07/30/2025 |
| R4W |
R4W_20250627.zip |
1.18 |
Firmware Update v1.18
- Release Notes
- The factory reset setting value from “TP on” to “TP off”
- The units that were set to TP On in the current or older firmware versions will be changed to TP Off after downloading the new firmware, even if users had manually set them to TP On before.
|
06/27/2025 |
| R4W |
R4W_20250610.zip |
1.17 |
Firmware Update v1.17
- Release Notes
- Added Error Messages for the external Laser Transponders.
- During a Laser alert, the display will show "Receive" if the unit is in Receive Mode (not CW or Pulse Modes)
- Added a tone selection menu for Receive Mode alerts.
- Added voice anouncement for Laser Gun ID.
- Supports Installer Test mode for external laser transponders.
- Added a reminder message related to Receive Mode when toggled using the power button.
- Grouped all Laser Atlanta laser guns into the "Atlanta" category.
|
06/23/2025 |
| R4W |
R4W_20250507.zip |
1.16 |
Firmware Update v1.16
- Release Notes
- Add the power button receive mode for the optional, external laser transponders.
- Add the any button receive mode for the optional, external laser transponders.
- Add Pulse mode On/Off time for the optional, external laser transponders.
- The Ka Freq voice will say trailing zeros without skipping zeros.
|
05/13/2025 |
| R4W |
R4R8_GPS_DB_20250403.zip |
2025/04/03 |
Database Update 20250403
Database 2025/04/03. This database update is only compatible with the R4, R4W, R8 and R8W models. Please do not update this GPS with any other models.
|
04/09/2025 |
| R4W |
R4W_20250408.zip |
1.15 |
Firmware Update v1.15
Bundled with the latest database 2025/04/03. See previous for release notes. |
04/09/2025 |
| R4W |
Uniden R Series Tool v2.23.zip |
2.23 |
Update Tool v2.23
This tool is only for Windows OS. |
03/06/2025 |
| R4W |
Uniden R Series Tool v2.22_MAC.zip |
2.22 |
Update Tool v2.22 (Mac Only)
This tool is only compatible with MacOS. Changelog: - Add user settings (Menu) for the latest version for each model
- Compatible with the R4w and R8w
- Showing versions of Sound, BT or BT/Wi-FI that were not shown in the previous tools
- The way DB version is displayed is changed from “US DB : ___. ___. ___. ___. 2024/11/29” to “US DB : 2024/11/29”.
- CP210x Driver installation error is fixed.
|
02/18/2025 |
| R4W |
Uniden R Series Tool v2.15_MAC.zip |
2.15 |
Update Tool v2.15 (Mac Only)
This tool is only compatible with MacOS. Please use the following instructions if there are issues with CP210x driver installation: MacOS Tool 2.15 Malware & Driver Walkthrough If issues still persist, please contact our technical support team. |
01/27/2025 |
| R4W |
R4W_20250124.zip |
1.15 |
Firmware Update v1.15
Bundled with the latest database 2025/01/03.
Increased stack memory size when reorganizing memory space for Auto Mute Memory points to avoid program stack overflow. |
01/24/2025 |
| R4W |
R4W_20250108.zip |
1.15 |
Firmware Update v1.15
Bundled with the latest database 2025/01/03. See previous for release notes. |
01/05/2025 |
| R4W |
R4W_20241202.zip |
1.15 |
Firmware Update v1.15
Please use the Uniden R Series Tool to update your firmware. - Release Notes
- The K Block Lv settings is changed from 3.0 to 5.0 to 0.5 to 5.0.
- Fixed codes that could potentially cause some Auto Mute Memory points to fail to mute in regions where multiple Mute Memory points and Auto Mute Memory points are registered.
|
12/16/2024 |
| R4W |
Uniden R Series Tool v2.22 Setup.zip |
2.22 |
Update Tool v2.22
This tool is only for Windows OS. |
12/04/2024 |
| R4W |
CP210x_Windows_Drivers.zip |
|
USB Drivers
|
|