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
Redmi 9C (MediaTek Helio G35) User action: Tried to flash a patched boot image via SP Flash Tool after a 2021 OTA update. Result: BROM: Disabled by eFuse 0x146 Outcome: Phone dead. No free fix. Motherboard replacement cost: $40. JTAG repair cost: $80. brom disabled by efuse 0x146 best
: This update was released to counter the widespread use of Python-based BROM exploits. Devices with this efuse set will no longer enter BROM mode via standard "Volume Up + Down" button combinations. Software vs. Hardware Use a tool like MTK Auth Bypass Tool (by MCT) or LibUSB