Before diving into downloads, diagnose whether your issue is software-related. You likely need new TB-X605M firmware if:
Always match the first six characters after the underscore. Tb-x605m Firmware
Even with perfect steps, things can go wrong. Here is the troubleshooting table for frequent SP Flash Tool errors: Before diving into downloads, diagnose whether your issue
| Error Code | Message | Cause | Solution | | :--- | :--- | :--- | :--- | | STATUS_BROM_CMD_SEND_DA_FAIL | 0xC0060003 | Driver conflict or bad USB cable | Reinstall Lenovo USB Drivers. Use a USB 2.0 port on your PC. | | STATUS_DA_HASH_MISMATCH | 0xC0070004 | Wrong firmware version for your hardware | Download the correct regional variant of TB-X605M firmware. | | S_DL_GET_DRAM_SETTING_FAIL | 0x13BE | Preloader error; tablet not fully off | Hold power button 15 seconds to force shutdown, then retry. | | BROM ERROR: S_SECURITY_SECURE_USB_DL | - | Secure boot enabled / Auth file required | You cannot flash unsigned firmware. Use Lenovo LMSA instead. | Always match the first six characters after the underscore
If your tablet does not turn on at all (Black screen, detected as Qualcomm HS-USB QDLoader 9008 in Windows Device Manager), the bootloader partition is likely corrupted. This requires advanced tools.