Older versions of the tool may not support newer security-enabled MTK chipsets.
Status Ext RAM Exception. Fix: The user was using Format All + Download with a corrupted preloader. Solution: They first used Download Only with the correct preloader, then performed a factory reset via recovery. The RAM initialized correctly after the correct preloader was present.
A faulty USB cable, damaged USB port, or a failing RAM chip on the device. sp flash tool status ext ram exception
Do these, and the dreaded red "STATUS_EXT_RAM_EXCEPTION" will become a solved problem rather than a terminal error.
Uncheck the PRELOADER and DSP_BL partitions if you are only trying to fix a soft-bricked device, as flashing these incorrectly can cause this error, according to. Detailed Step-by-Step Fix Example (for Modern MTK) Download and install the latest . Download the MTK Bypass Tool . Install libusb drivers. Select the Scatter File in SP Flash Tool. Run the MTK Bypass Tool ( ) and click Bypass . Older versions of the tool may not support
Using an outdated version of the tool on a modern chipset frequently triggers RAM exceptions.
Double-check your device's exact model variant, region, and processor. Solution: They first used Download Only with the
This error is notoriously vague yet destructive. It appears abruptly during the download process, often when the red progress bar is filling up or just as the purple (DAA) or yellow bars begin. When this error appears, the SP Flash Tool stops immediately, leaving the device in a non-bootable state.
Look under the battery or on the retail box for the exact model number.
| Item | Check | |------|-------| | USB cable | Use original or high-quality data cable (no charging-only cables) | | USB port | Use USB 2.0 port (USB 3.0/3.1 can cause signal timing issues) | | Driver | MTK USB VCOM driver installed properly (no yellow exclamation mark) | | SP Flash Tool version | Latest stable (v5.2128 or newer) | | Scatter file | Loaded from the firmware folder you intend to flash | | Battery charge | >50% or try with battery removed (if possible) |
The dropdown menu in SP Flash Tool dictates how data is written. Changing this behavior can bypass RAM initialization checks.