If you provide the specific SoC or vendor (e.g., MediaTek, Qualcomm, Allwinner, etc.), I can tailor the article with vendor-specific eFuse behavior, exact diagnostic commands, and example vendor-tool workflows.
Running older MTK Auth Bypass tools that rely on forcing the chip into a vulnerable BROM state.
: Flashing the wrong preloader.bin while the BROM is disabled can make the device completely unresponsive, as you lose your only remaining entry point.
matched to your device's region.
; requires specialized auth or hardware intervention. 🔧 Can You Fix or Bypass "eFuse 0x146"?
0x146 is just a code—different chips use different addresses—but the meaning is universal: The manufacturer permanently disabled this boot path. The chip will only boot from a secure, internal location, and nothing you do can re-enable the ROM. "
Understanding and Fixing the "BROM Disabled by efuse 0x146" Error in MediaTek Devices brom disabled by efuse 0x146
Because this is a hardware-level lock, you cannot undo the blown fuse. However, you can use alternative methods to flash your device or bypass the restriction depending on your phone model. Method 1: Use Preloader Mode Instead of BROM
The chip is forced to upon receiving an external device connection.
What are you trying to perform? (e.g., unbricking, removing FRP, unlocking the bootloader) If you provide the specific SoC or vendor (e
– Rarely, a driver issue mimics 0x146.
Interpret 0x146:
Ensuring the device only runs software signed by the original manufacturer. Data Extraction: matched to your device's region
If you are trying to unbrick, root, or flash a MediaTek (MTK) device and encountered the error your device's hardware security has been triggered. This error means the phone's processor has permanently locked its lowest-level flashing interface (Boot ROM) to prevent unauthorized software modifications. What is BROM?
user wants a long article about "brom disabled by efuse 0x146". This appears to be a technical error message related to BROM (Boot ROM) being disabled by an eFuse setting, possibly on an ARM-based device like Qualcomm chipset. I need to provide a comprehensive article. I'll search for information about this specific error code. search results show various forum threads. I need to open some of them to gather details. search results provide a good starting point. The error appears on devices like Vivo Y15S, Vivo V2139, Samsung S134DL, and others. It's related to MediaTek chipsets (MT6765, etc.). I need to write a comprehensive article. I'll structure it with an introduction, what BROM and eFuse are, explanation of the error, affected devices, implications, potential solutions, prevention, and conclusion. I'll cite the sources. Now, I need to search for more technical details about eFuse and BROM. have enough information to write a comprehensive article. I'll structure it with an introduction, what BROM and eFuse are, explanation of the error, affected devices, implications, potential solutions, prevention, and conclusion. I'll cite the sources. Now, I'll write the article. The "BROM Disabled by eFuse 0x146" Error: A Complete Guide