You might see variations of this error:
This is the worst-case scenario. If the software fixes below do not work, it is possible that the error is literal: your External RAM chip is physically damaged. This can happen due to: sp flash tool status ext ram exception
is designed to communicate with the device’s bootloader (Preloader) to write data to the NAND memory. During the flashing process, the tool requests to use the device's RAM (Random Access Memory) as a temporary buffer to handle data transfer before writing it to the permanent storage. You might see variations of this error: This
: Newer versions (v6.x) sometimes enforce stricter authorization checks. Using "sweet spot" versions like often resolves these compatibility timeouts. Perform an Auth Bypass sp flash tool status ext ram exception