Hold the "Boot Key" (usually or Volume Up depending on the specific model).
Before making changes, always create a full NVRAM backup. Here’s how in v41: spreadtrum imei tool v41 updated
Spreadtrum Communications (UNISOC) is a major fabless semiconductor company that produces chipsets for mobile devices. In the context of mobile repairing, SPD-based devices often require specialized protocols to communicate with a computer for firmware flashing or NV (Non-Volatile) data modification. The Spreadtrum IMEI Tool is a third-party utility designed to interface with the modem of these devices to restore lost or corrupted IMEI numbers, which are essential for cellular network connectivity. Hold the "Boot Key" (usually or Volume Up