Spreadtrum Imei Tool V4.1 -

Spreadtrum (SPD) WriteIMEI Tool V4.1 is a utility used to repair or restore the International Mobile Equipment Identity (IMEI) on devices powered by Spreadtrum/UNISOC chipsets. It is primarily used when a device displays an "Invalid IMEI" or "No Service" error after a firmware flash or software corruption. Prerequisites SPD USB Drivers

1. Install Spreadtrum USB drivers
2. Run Spreadtrum IMEI Tool V4.1 as Administrator
3. Connect your powered-off device via USB
4. Enter the desired IMEI number(s)
5. Click "Write IMEI"
6. Restart the device and check with *#06#

• Windows 7/8/10/11 (32-bit or 64-bit; run as Administrator)
• Spreadtrum IMEI Tool V4.1 (download from trusted sources only—see risks below)
• A micro-USB cable (data cable, not charge-only)
• Spreadtrum USB drivers (e.g., SPD_Driver_v1.5 or Unisoc USB Driver)
• The original IMEI numbers (two sets of 15 digits each)

Step 5: Write New IMEI

Write feature in the Spreadtrum (SPD) IMEI Tool V4.1 (and similar versions) Spreadtrum Imei Tool V4.1

SPD USB Drivers

Install the necessary on your PC to ensure the device is recognized. Enable USB Debugging on your smartphone if possible. Launching the Tool : Open WriteIMEI.exe from the tool folder. Configuring Settings : Click the Set or Mode Select button. Spreadtrum (SPD) WriteIMEI Tool V4

Step 2: Enable Diag Port on the Phone

Unlike modern "one-click" tools, Spreadtrum IMEI Tool V4.1 requires a specific environment to function. Install Spreadtrum USB drivers Run Spreadtrum IMEI Tool V4