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
Key features
- Read and display IMEI, Bluetooth MAC, Wi‑Fi MAC, and SN from device NV (NVRAM).
- Write or restore IMEI and other identifiers to the device NV.
- Backup and restore NV partitions (full or selective).
- Support for multiple Spreadtrum chipset generations commonly found in low‑to‑mid range Android phones and feature phones.
- Port detection and driver management for SPD (Spreadtrum) USB interfaces (e.g., CDC, XUSB modes).
- Basic logging and error reporting.
in many jurisdictions and can lead to the device being blacklisted by carriers. This tool should only be used for legitimate repair purposes to restore the Spreadtrum Imei Tool V4.1
Step 3: Configure the Tool
- In the main window, select the correct COM Port (e.g., COM3, COM5). If unsure, refresh the list.
- Set Baud Rate to
115200(start here; increase to921600for faster operation if stable). - Click Connect or Scan Port. The tool should show "Device Connected."
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The Ultimate Guide to Spreadtrum IMEI Tool V4.1: Recovery, Repair, and Restoration
In the world of mobile device repair and firmware flashing, few tasks are as critical—or as nerve-wracking—as correcting a corrupted IMEI number. For technicians working with entry-level and budget smartphones, the name Spreadtrum IMEI Tool V4.1 remains a cornerstone utility. Whether you are dealing with a "Null IMEI," a device that refuses to connect to a cellular network, or recovering a bricked phone after a failed flash, understanding this tool is essential. Spreadtrum (SPD) WriteIMEI Tool V4
Step 6: Reboot and Verify
- Close the tool. Disconnect the USB cable.
- Remove the battery (if removable) or force a reboot (hold power 10 seconds).
- Dial
*#06#on the phone’s dialer. - The correct IMEI should now appear. Test network registration by making a call.
1. Firmware Flashing Gone Wrong
When you flash a stock ROM or custom firmware using tools like SP Flash Tool, the NV partition is often overwritten. If the new firmware does not contain your device's original IMEI (common with generic ROMs), the IMEI reverts to 000000000000000 or null. Read and display IMEI, Bluetooth MAC, Wi‑Fi MAC,
Input IMEI: Enter the original IMEI number (usually found on the sticker under the battery or on the phone's original box) into the tool's input fields.