Bluetooth names in cheap SoCs are tightly bound to memory constraints. Trying to change a 5-character name ( XY-BT ) to a 15-character name without restructuring the firmware code will cause firmware crashes.
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Re-clip the chip, load your original untouched backup .bin file, and flash it back to factory defaults. Vhm-314 Change Name
new devices, you must interface directly with the module's chip using specialized hardware.
To successfully perform a VHM-314 name change without downtime, follow this standard operating procedure: Bluetooth names in cheap SoCs are tightly bound
If your VHM-314 utilizes a JieLi (JL) processor, the most reliable and permanent method to change the Bluetooth name is using the manufacturer's proprietary development environment. This requires hardware tools to interface directly with the chip’s programming pins. Tools Required:
Click into the text field at the very top containing the name "VHM-314", type your preferred name, and click . The name has changed—but the science continues
If customizable broadcast names, passwords, and custom audio prompts are critical to your project, consider upgrading to a Bluetooth module built on the Qualcomm CSR8645/CSR8675 or ESP32 chipsets. These modules are explicitly designed to be configured via simple AT commands or user-friendly software utilities.
| Reported Bluetooth Name | Source / Version | Notes | |------------------------|------------------|-------| | XY_BT | Most common default | Used on many “XY‑BT” labelled boards; also documented by multiple sellers. | | VHM-314 | Basic generic name | Listed as the device name in many product descriptions. | | VHM-314-V3.0 | V3.0 version | Official Bluetooth name for the V3.0 board (with EQ and IR control). | | XIDADIANZI | An actual module tested by Raspberry Pi Magazine | The seller claimed the name would be ‘XY_BT’, but the real unit broadcast ‘XIDADIANZI’. | | BT-Speaker | Some generic variants | Used on boards that have been rebadged by third‑party sellers. | | Bluetooth Device | Fallback when no custom firmware present | Some very cheap clones fall back to a bare‑bones system name. |
The name change request has been submitted to reflect the updated information. We kindly request that you update your records to reflect the new name.
Search developer forums (such as Russian or Chinese electronics forums like 4PDA or EEVblog) for the specific JieLi AC69xx SDK and the "JieLi AC69 Isptool" or "JL toolset."