It includes functions to force devices into "Diag mode," enabling deep-level communication for specialized repairs. Broad Device Compatibility
This is the dongle's primary strength. It supports a vast range of Spreadtrum chipsets, from older SC6531 feature phones to modern UNISOC octa-core processors (Tiger series). nck dongle spd
| Feature | NCK Dongle SPD | Miracle Box (Thunder) | SigmaKey | | :--- | :--- | :--- | :--- | | | High | Medium (occasional bugs) | High | | Unlock Speed | Fast | Medium | Fast | | SPD Support | Best | Good | Good | | Price | Moderate | Moderate | Moderate | | Offline Mode | No (Requires Net) | Yes (mostly) | No (Requires Net) | It includes functions to force devices into "Diag