Ensure you are using the correct Custom DA file for your specific model (e.g., MT6765, MT6833) rather than the default MTK_AllInOne_DA.bin . 4. Switch to Preloader Mode
Instead of holding buttons to trigger BROM, you simply plug the phone in while it is powered off.
Use a tool like MTK Auth Bypass Tool (by MCT) or LibUSB . These tools "exploit" the stack to disable the security check momentarily, allowing SP Flash Tool to communicate with the device. 3. Update Your DA (Download Agent) File
Ensure you have the MediaTek USB VCOM drivers installed correctly. A "Device Not Recognized" error can sometimes mimic an efuse error.
If BROM is permanently disabled and Test Points aren't an option, some tools allow you to flash via .
Some scripts claim to force BROM via software on 0x146 devices. Use these with caution, as they can lead to a hard brick if the preloader is corrupted.
Ensure you are using the correct Custom DA file for your specific model (e.g., MT6765, MT6833) rather than the default MTK_AllInOne_DA.bin . 4. Switch to Preloader Mode
Instead of holding buttons to trigger BROM, you simply plug the phone in while it is powered off. brom disabled by efuse 0x146 best
Use a tool like MTK Auth Bypass Tool (by MCT) or LibUSB . These tools "exploit" the stack to disable the security check momentarily, allowing SP Flash Tool to communicate with the device. 3. Update Your DA (Download Agent) File Ensure you are using the correct Custom DA
Ensure you have the MediaTek USB VCOM drivers installed correctly. A "Device Not Recognized" error can sometimes mimic an efuse error. Use a tool like MTK Auth Bypass Tool (by MCT) or LibUSB
If BROM is permanently disabled and Test Points aren't an option, some tools allow you to flash via .
Some scripts claim to force BROM via software on 0x146 devices. Use these with caution, as they can lead to a hard brick if the preloader is corrupted.