Read on for more information about the problems this third-party firmware solves, or skip to firmware downloads if you want to get started right away.
You are likely here because you own an OBi device. Traditionally, OBiTALK was designed as a remote configuration tool for your OBi hardware, however this tool was shut down on November 1, 2024. There has always been a way to directly configure OBi hardware via logging in via a web interface, but it did not work with the popular service provider Google Voice.
This new firmware for your OBi device, like other community developed firmwares for e.g. routers and Android phones, makes the current/future functioning of the hardware a bit more independent of the company that sold you the hardware. With it, your OBi device need not be dependent on the now-defunct OBiTALK. This new community-created firmware will continue to grow and evolve, increasing the useful life of the hardware, and adding many capabilities right now such as the ability to configure Google Voice without the OBiTALK Portal.
-written by Klaberte on DSLReports. Updated by OBi1FW November 2024 to reflect OBiTALK shutdown.
October 2010 - OBi110 is released.
20 December 2017 - naf is the first to successfully modify an OBi110 to update certificate.
4 January 2018 - Polycom announces aquisition of Obihai.
22 January 2018 - naf releases firmware for the OBi2/OBi3 series.
28 March 2018 - Plantronics announces aquisition of Polycom.
19 June 2018 - Google decommissioned XMPP servers. OBi100/110 no longer work with Google Voice.
28 March 2022 - HP announces aquisition of Poly (formerly Plantronics).
1 November 2024 - HP decommissioned OBiTALK. Third-party firmware is now the only way to configure Google Voice.
15 January 2025 - DSLReports abruptly taken offline without warning.
A user has contributed an archive of the threads where this firmware was first discussed:
ObiHAI Obi100/Obi110 Firmware Mod Discussion (zip, 1.0MiB)
Obihai OBi20x/30x + OBi1000 + OBi50x + OBi2000 firmware mods (zip, 7.2MiB)
The system is bricked. Contact manufacturer support for an EEPROM restoration tool.
Patches Bluetooth connectivity and power management protocols FCC Report 2. Installation & Deployment Process Based on documentation from Device Report
The hosting USB drive must be formatted specifically to the FAT32 file system. Modern formats like exFAT or NTFS will not load.
Wait until the display panel clears or shifts to a single dash ("-"), indicating the device has automatically entered standby mode. 3. Verifying Success fw5000.upd
Factory reset the unit using the remote control, then flash the older, baseline version.
: Active bookshelf speakers and compact home audio hubs (such as the Sharp CP-SS30).
Ultimea, a well‑regarded brand for home audio, relies heavily on fw5000.upd for firmware updates across its lineup. For example, the soundbar system uses two files together: fw5000.upd and fw5000.fot . The procedure is typical: copy both files to a USB drive (formatted to FAT32), insert the drive into the soundbar, and the update runs automatically. The display cycles from 1 to 100 during the subwoofer update, then shows "up‑‑‑" for the main soundbar. After completion, you can verify the new version number—V49 for the latest release—by holding the surround‑plus button. The system is bricked
For the , the display will show "UP--" and then change to "-" after a few seconds, indicating the update is in progress.
file is likely rewriting the bootloader or core application. Directory Integrity: The device will fail to recognize the update if fw5000.upd
A power loss during a firmware update is the single most common cause of a “bricked” device. If this happens, do not panic. First, attempt to start the update again from the beginning using the same procedure. Some devices have a bootloader that allows a second attempt. If that fails, contact support. In many cases, the manufacturer can provide a recovery image or service under warranty. In many cases
series of smart sleep machines and atmosphere lamps, manufactured by companies like
: Entry-level and mid-range home theater additions like the SVEN SB-2040A. Preparing Your USB Drive for Flashing
: Copy the fw5000.upd file directly to the root directory (not inside any folder).
Flashing your hardware requires precision. Follow this exact workflow to prevent bricking your hardware. Step 1: Prepare the USB Drive
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