You flashed the wrong bootloader. Repeat Phase 4 and 5 with a different .bin from another source.
To help you get started, would you like a list of the added in 2.70 or a vetted download link for the KSuite 2.70 software?
K-TAG clones (especially those with firmware 7.020) are designed to work offline. Attempting an official online update through the K-Suite interface will likely lock the device or damage the internal SD card files. Pre-Update Checklist Operating System : Ensure you are using Windows 10 (64-bit is generally preferred for newer K-Suite versions). Disable Internet
| Risk | Probability | Mitigation | |------|-------------|-------------| | Permanent brick (bootloader mismatch) | High (30% if patching wrong) | Use external boot via BOOT0 pin + SWD recovery | | Loss of vehicle coverage | Medium | Keep original SPI flash backup | | Overheating (different clock config) | Low | Monitor 3.3V rail current (<500mA) | | USB enumeration failure | High | Re-flash original USB descriptors (offset 0x0801FE00) |
The story of John's Ktag clone upgrade serves as a reminder that, with the right mindset and resources, enthusiasts and professionals can unlock new possibilities and push the boundaries of what is possible.