Practical hardware checks:
The "Link" part of the error often signifies that the connection speed is too high for the current state of the device's hardware. If the USB cable is of low quality or the phone's RAM is unstable, the default high-speed baud rate causes a timeout.
: Using a version of SP Flash Tool that is too new or too old for your specific chipset. Step-by-Step Fixes 1. Verify and Match Firmware The most frequent cause is flashing the wrong ROM. Double-check your device's exact model name and codename.
MediaTek devices are picky about how they are powered during a flash. Disconnect the phone from the PC.
: If you are using a Xiaomi device (like the Redmi 9A/10A), ensure you haven't swapped their firmwares, as they often share codenames but have different RAM configurations. 2. Use a Specific SP Flash Tool Version Newer versions (v6.x) are often more restrictive. SP Flash Tool v5.1924
Sometimes, the tool’s timeouts are too strict.