Some MTK chips are stubborn and require alternating between two specific DAs.
This error code specifically indicates that the flashing software cannot read, write, or initialize the external memory of the device. The underlying triggers generally fall into three categories: 1. DA (Download Agent) File Mismatch sp flash tool error status ext ram exception link
The "Ext RAM Exception" often means the tool sees the CPU but can't find the RAM. Use a high-quality, short USB data cable. Some MTK chips are stubborn and require alternating
Try a different USB port (preferably on the back of a PC) and a high-quality USB cable. sp flash tool error status ext ram exception link
