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If your VHM-314 variant features a dedicated 8-pin external memory chip next to the main Bluetooth IC, you can modify the name by dumping, editing, and reflashing the memory chip. Tools Required: An EEPROM/Flash programmer (e.g., CH341A programmer).
This doesn't change the name on the chip itself, but it changes how it appears on your specific device.
Power cycle the board, unplug the serial adapter, and test the module with your phone to verify the new name appears. Method 2: Flashing a Custom Firmware Binary Vhm-314 Change Name
A USB-to-TTL UART serial adapter (such as a CH340, CP2102, or FTDI board).
| Myth | Fact | |------|------| | “Vhm-314 was banned, so they changed the name.” | Not a ban—primarily trademark and FDA compliance issues. | | “The new name is just a marketing gimmick.” | No; legal and safety reasons drove the change. | | “Vhm-314 is now called Phenylpiracetam Hydrazide.” | False. That is a different compound. NMCNA-7 is correct. | | “The chemical structure has changed.” | The structure is identical; only the identifier has changed. | If your VHM-314 variant features a dedicated 8-pin
Method 1: Using JieLi Bluetooth Configuration Software (Recommended)
The first step in understanding the renaming dilemma is recognizing that the VHM-314 is not a product from a single manufacturer. Instead, it’s a generic reference design and name used by a vast array of manufacturers in China. This leads to a chaotic ecosystem where the default Bluetooth name can vary wildly based on the board's version, batch, or chipset. Power cycle the board, unplug the serial adapter,
Open the (classic view) and go to Devices and Printers .
The is one of the most popular, cost-effective Bluetooth 5.0 audio receiver boards available for DIY audio projects, car stereo upgrades, and custom Bluetooth speaker builds. By default, this ultra-compact decoder board broadcasts its SSID as "XY_BT" . While this default designation works perfectly fine for single-device setups, running multiple custom audio systems in the same household or trying to commercialize a custom audio product makes changing that generic broadcast identifier essential.