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This method carries a high risk of bricking the device. It requires micro-soldering tools, a USB-to-TTL serial adapter, and proprietary Chinese chip utilities. Tools Needed A USB-to-UART/TTL serial adapter (CP2102 or FT232RL). High-quality soldering iron and thin gauge wire.
Disconnect the clip and power the VHM-314 board normally to confirm the name change. Troubleshooting Common Connection Issues
Use programmer software (like NeoProgrammer or AsProgrammer) to read the contents of the EEPROM and save a backup file.
A ripple of static fear ran through the hydroponic decks. Choice was poison to the Vault’s order. For a full minute, no one moved. Then, a shaky voice from Sector 2: “I am… Kael.”
Open the by searching for it via the Start Menu. Vhm-314 Change Name
Many VHM-314 boards use "AC" series chips (e.g., AC20BP) which require proprietary SDKs to modify. Alternative Solutions for Device Identification
[Your Name/Team]
Type your custom name (e.g., "Living Room Speakers") and save. Android will permanently remember this alias for this specific MAC address. On Windows 10/11: Pair the VHM-314 with your PC.
Method 1: Flashing the Chipset via JL-Programmer (The Official Hardware Approach) This method carries a high risk of bricking the device
One point of confusion is that many online sellers list the VHM‑314 under different product names . You will see listings for “Heemol VHM‑314,” “DollaTek VHM‑314,” “zalati VHM‑314,” “Blackboard VHM‑314,” and so on. These are not renamed modules; they are simply different resellers branding the same generic board with their own company name in the product listing. The actual Bluetooth broadcast name remains what the firmware dictates ( XY_BT , VHM‑314 , etc.). Do not confuse a seller’s marketing name with the device’s actual Bluetooth identifier.
Jieli AC690X/AC692X BT Product Tool or Bluetrum Configuration Tool (depending on your chip variant). Step-by-Step Procedure
No, most standard VHM-314 modules do not support AT commands for renaming, unlike modules like the HC-05. Will a firmware update change the name?
On the surface, renaming a Bluetooth device sounds like a trivial feature. In most modern Bluetooth gadgets—headphones, speakers, smart watches—you can tap a button in the settings menu and give the device any name you like. Why should a Bluetooth receiver be any different? High-quality soldering iron and thin gauge wire
Some older or alternative versions of the VHM-314 use an external SPI Flash memory chip (an 8-pin IC, usually a 25X40 or similar series) alongside the main controller. If your board has this layout, the Bluetooth name string is stored directly inside this flash memory. Step-by-Step Instructions
For advanced users, changing the hardcoded name of a CSR-based Bluetooth module (a similar but slightly more advanced chipset than the base VHM-314) involves hardware modifications.
Rather than a hard rename, it is often best practice to create an alias. This allows the system to recognize both the old and new names during the transition period, preventing service interruption.