Short these pads with tweezers while plugging in the USB cable.
matched to your device's region.
Understanding this error requires shifting focus from standard Android software modifications to hardware-enforced chip security. 🛠️ What is BROM?
An eFuse is a microscopic bridge within a system-on-a-chip (SoC) that can be permanently "blown" by an electrical pulse. Unlike traditional software settings, this change is irreversible; once the physical connection is severed, the chip's logic is fundamentally altered. In the context of MediaTek chipsets, these fuses are utilized to enforce security policies, such as Secure Boot and the disabling of debug interfaces. The Role of BROM
The 0x146 error surfaces under the following common scenarios: brom disabled by efuse 0x146
On some devices, shorting specific test points on the motherboard (e.g., KCOL0 to KROW0 or CMD to CLK on eMMC) can force the SoC to bypass the eFuse check temporarily. This is advanced and requires disassembly. Even then, success is not guaranteed for error 0x146 .
Programming eFuse 0x146 to disable BROM is a powerful security measure that prevents low-level access and enforces secure boot, but it is generally irreversible and eliminates common recovery channels. Engineers should treat its programming as a late-stage, controlled action and maintain documented, vendor-approved recovery and repair processes to avoid bricking devices in the field.
This security feature is found on newer Vivo, Oppo, and Samsung devices to stop one-click unlocking and flashing tools. 🛠️ Common Solutions & Workarounds
Sometimes, if the preloader region is partially overwritten but the system remains locked, the BROM may still attempt to boot, find a mismatch, and then report 0x146 as a generic security violation. Short these pads with tweezers while plugging in
In MediaTek chipsets, is the first piece of code that executes upon power-on. It typically allows for emergency firmware flashing, system recovery, and factory repairs via a USB connection.
To help find the most effective solution for your device, could you provide a bit more context? Please let me know: What is the exact of the device?
For consumer devices locked down by MDM/KG with 0x146 triggered, the only absolute resolution to restore full stock functionality or remove the hardware restriction is a physical replacement of either the MediaTek SoC itself or the entire motherboard. 🔮 Summary
If you must work on such devices, invest in supported commercial tools, collect auth files for your target models, and always treat the first boot as a point of no return. 🛠️ What is BROM
This requires opening the device and carries a high risk of permanent damage. 3. Authorized Accounts (Auth)
The tool connects to the device via the Preloader interface. The phone generates a secure cryptographic challenge.
What is your ? (e.g., FRP bypass, unbricking, or factory reset)
Verify if a specific bypasses the BROM check on your specific chipset.
This specific eFuse value or address is associated with a security patch where manufacturers (notably Vivo and Samsung ) burn a fuse to shut down the BROM port entirely.