Open the extracted folder and right-click on WriteIMEI.exe , then select .
Click the or Read button inside the tool interface. The software will enter a standby state, waiting for the hardware connection. Completely power off your mobile device.
Before proceeding with any IMEI repair, keep these points in mind: Always backup your NVRAM or NVDATA partition.
When you flash a generic ROM, format the device flash incorrectly, or experience a sudden power loss during an update, this partition can get corrupted. When the Android operating system cannot read the NVRAM data, it defaults to a "Null" or "000000000000000" IMEI, which blocks network authentication. Top Spreadtrum IMEI Repair Tools (New Versions)
: Specifically useful for SPD keypad phones and newer UNISOC/SPD smartphones, providing a straightforward interface for "Write Security" operations. spreadtrum imei repair tool new
Before proceeding, ensure you have the original 15-digit IMEI number found on the phone’s original box, bill, or the sticker beneath the battery. Prerequisites: A Windows PC (Windows 10 or 11 recommended). A high-quality USB data cable.
Install Spreadtrum SCI-USB-Driver to ensure your PC recognizes the device in Diag mode.
Hard-bricked devices that need a full firmware flash alongside partition restoration. 3. Miracle Box / Miracle Thunder (Crack or Digital License)
The phone's official stock firmware package (specifically the .pac file, as the tool requires the partition configuration file). Step 1: Install Drivers and Extract Tools Open the extracted folder and right-click on WriteIMEI
Before proceeding, it is crucial to understand the rules and risks surrounding IMEI modification.
Feature phones, entry-level smartphones, and restoring raw factory backup dumps.
In 2026, Spreadtrum (now rebranded as Unisoc) chipsets remain dominant in budget Android smartphones, feature phones, and tablets, particularly Infinix, Tecno, itel, and Airtel models. A common issue facing these devices is "Invalid IMEI" or a complete loss of IMEI, which results in no network service, inability to make calls, or failure to detect a SIM card.
Click on the icon (often a gear symbol) in the tool interface. Completely power off your mobile device
: It allows users to write the 15-digit code back to the device's NVRAM if it has been wiped.
An IMEI number is a vital security feature used by law enforcement to track stolen or lost hardware. Changing a device's IMEI to a random number or cloning another phone's identity is illegal in many jurisdictions, including the United States, Europe, and India.
The solutions in 2026 offer efficient ways to recover lost functionality. Whether you choose a free tool for simple fixes or a professional dongle like Hydra Tool for complex issues, these tools help restore connectivity to Unisoc/Spreadtrum devices effectively. Disclaimer
Even with the new tools, things can go wrong. Here are solutions to the most frequent issues: