Newer MediaTek processors require updated software architectures to interface with their RAM modules. Completely uninstall your current version of SP Flash Tool. Download the latest stable version of the tool.
If you previously flashed a bad Preloader, your phone is in a “preloader loop” – it tries to boot, crashes, restarts, infinitely. This causes the EXT_RAM_EXCEPTION on every attempt.
However, for the vast majority of users, following the software troubleshooting steps above will revive the device. Keep experimenting, stay patient, and your bricked phone will soon see the boot logo again. sp flash tool error status ext ram exception link
The device rejects the custom or modified flashing files because secure boot permissions are active.
If none of the above works, the issue may be specific to your computer's USB controller architecture. Trying an older laptop or a PC running Windows 7 often bypasses the driver issues found in newer Windows builds. If you previously flashed a bad Preloader, your
Once the bypass tool says "Protection Disabled", immediately open and click Download . Conclusion and Hardware Considerations
Modern MediaTek devices utilize hardware-level security that prevents unauthorized tools from executing code in the external RAM. If your phone requires an authentication file ( .auth ), you will encounter this exception. Keep experimenting, stay patient, and your bricked phone
Ensure the device shows up under "Ports (COM & LPT)" as MediaTek PreLoader USB VCOM V1632 without any yellow exclamation marks. If it disconnects quickly, that is normal behavior for MTK bootloader modes; the tool will hold the connection once initialized. 6. Bypass MediaTek Secure Boot (MTK Bypass Tool)
If you have tried multiple firmware packages, altered DA files, switched computers, and bypassed authentication but still receive the STATUS_EXT_RAM_EXCEPTION error, your device likely has a physical hardware issue.
However, if you have tried multiple compatible firmware packages, used the correct DA/Auth files, successfully disabled boot security, and still receive the exact same error, your device likely has a . When the physical physical connections (solder balls) beneath the EMMC/UFS or RAM chip degrade, or the chip itself fries, the storage chip enters a read-only state or fails to mount. In this scenario, the motherboard will require professional hardware repair, such as an EMMC reballing or replacement.