[ Power Off Phone ] ➔ [ Hold Boot Key + Connect USB ] ➔ [ Tool Detects Diag Mode ] ➔ [ Write IMEI ] Step 1: Configure the Tool

: A more modern, multi-brand free tool reported to work on various SPD models in 2025-2026. Tutorials for this tool are often hosted on YouTube . General Repair Steps

Navigate to the extracted WriteIMEI folder and right-click WriteIMEI.exe , then select . Click on the Mode Select or Set Option tab in the top menu.

Essential for the PC to communicate with the phone in "DIAG" or "Download" mode.

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Click the icon (often shaped like a gear or labeled Mode Config).

Common repositories include community-maintained drives like Google Drive or software portals like Software Informer How the Process Works

The SC7715 is a single-core smartphone platform designed for entry-level devices, integrating a Cortex-A7 processor, GPS, WiFi, Bluetooth, and FM connectivity features. IMEI (International Mobile Equipment Identity) is a unique 15-digit code that identifies your device on a mobile network. Losing this code can lead to "Invalid IMEI" problems, network malfunctions, or a complete inability to use the device for calls or data.

There is no single "official" tool, but several third-party service utilities are widely used in the mobile repair industry:

Since official download links change frequently, here are the reliable sources to search for:

Enter the original IMEI numbers found on the sticker under the battery or on the device packaging. Connection:

Click the or Write button in the tool interface. The software will transition into a waiting state. Power off your SC7715 phone completely.

Power off the phone. Hold the volume down (or up) button and connect it to the PC.