| Host Version | DSP Version | Flashcode Requirement | Notes | | :--- | :--- | :--- | :--- | | | R19.00.02 | Requires H38/Q387 | Final release. No FPP bug. | | R17.00.00 | R16.00.00 | H35 or higher | Stable for P25 Phase 1. | | R12.00.00 | R12.00.00 | H38 not required | Pre-FPP encryption fix. |
| Step | Action | | :--- | :--- | | 1 | – Launch CPS, read the radio, save the codeplug (.cps file). | | 2 | Check Battery – Must show >7.8V (for NiMH) or >7.4V (Li-Ion). | | 3 | Secure Connection – No USB hubs; direct to motherboard. | | 4 | Close Other Apps – No screen savers, sleep timers, or antivirus active. | | 5 | Verify Current Versions – From CPS: Radio Information → HOST, DSP, Flashcode. |
: If you write to the radio with a newer version of CPS, you must continue using that version or later.
A stable, dedicated machine. Older operating systems (like Windows 7/10 32-bit) are preferred for driver stability with older software.
This era brought massive stability improvements for P25 Phase 1 trunking networks. It refined how the radio handled control channels and improved audio clarity through updated DSP algorithms. The Final Stable Releases (R20.xx.xx) xts5000 firmware
is a 13-digit hexadecimal string that acts as a digital license key (the "what it can do"). Features like P25 Trunking, Front Panel Programming (FPP), or AES-256 encryption are permanently locked or unlocked by the FLASHCODE, regardless of how new your firmware is. The Upgrade Process: How it Works
Resolves long-standing compatibility bugs with modern P25 system architectures. Fixes specific hardware clock vulnerabilities. The Firmware vs. Flashcode Relationship
: It is generally recommended to update the firmware in stages (e.g., moving through intermediate versions) rather than jumping from a very old version (like R04 ) directly to the final version ( R20 ) to avoid bricking the device. Tools Required for Updating To update an XTS 5000, you generally need:
is a 13-digit hexadecimal code that acts as a feature license key. | Host Version | DSP Version | Flashcode
Watch for lines labeled and DSP (e.g., HOST R20.50.09 and DSP R20.50.00 ). Method 2: Via Astro 25 CPS Connect your Go to product viewer dialog for this item.
Modifying or flashing firmware on public safety radios (Type-Accepted under Part 90) may violate FCC rules if it changes transmit frequencies, power, or encryption. This guide is for educational purposes for authorized technicians only.
However, if you are a business or volunteer firefighter using a P25 trunking system: Update to R20.10.00 immediately. The improved audio clarity, faster trunking affiliation, and fixed OTAR bugs are worth the effort of finding a qualified technician with the correct iButton.
underwent internal hardware revisions during its production lifetime. The 4MB vs. 8MB Controller Divide Early-model Go to product viewer dialog for this item. | | R12
is the list of "entitlements" or features (like Trunking, AES Encryption, or FPP).
: Upgrading to later versions is known to significantly improve audio quality and system stability.
This is the holy grail for most enthusiasts. Host 16 (specifically R16.00.00 and later R16.01.00) represents the last official firmware released for the XTS5000.
Upgrading an XTS 5000 requires specialized legacy software, a stable computer environment, and specific hardware. Prerequisites