Most default SP Flash Tool downloads do not show trace mode. You must unlock advanced debugging. Follow these steps carefully.
While smart phone flash tool runtime trace mode v480 is powerful, it is not a silver bullet. smart phone flash tool runtime trace mode v480
When a phone loops on the logo, normal flashing might fail because the preloader rejects the flash tool handshake. Runtime Trace mode lets you see the last message before reboot. For example, you might see:
[DA_ERROR] SECURE BOOT: Image signature mismatch on boot.img
This tells you instantly that you forgot to disable Secure Boot or use a patched preloader. Most default SP Flash Tool downloads do not show trace mode
Warning: Runtime Trace mode is not user-friendly. Misuse can lead to: smart phone flash tool runtime trace mode v480