Unisoc Imei Repair Tool Review

Do not simply unplug. Go to the top left menu: Actions → Restart Smartphone. Wait for the phone to reboot.

To understand the tool, one must understand the underlying architecture. Unisoc chipsets differ from Qualcomm or MediaTek in how they handle partition schemes.

This is the industry standard for professional technicians. While it is paid software

Unisoc IMEI repair tool is a specialized software utility used to restore or fix the International Mobile Equipment Identity (IMEI) number on devices powered by Unisoc (formerly Spreadtrum) chipsets. These tools are essential for resolving issues such as "Invalid IMEI," "Null IMEI," or network signal loss that can occur after a software crash, incorrect firmware flash, or rooting. Popular Unisoc IMEI Repair Tools (2026)

Several professional and free tools are available for servicing devices from brands like Infinix, Tecno, itel, Realme, and Motorola Professional Activation Tools: Uni-Android Tool (UAT PRO)

: A multi-brand servicing tool that supports Qualcomm, MTK, and SPD (Unisoc) chipsets. You can find it at merchants like Baba Tools

: Supports a wide range of new phones for IMEI and MAC repair, and is available at Akinfo Tools ChimeraTool

: Offers specialized solutions for Unisoc devices, allowing for permanent IMEI and serial number repair through UNISOC boot mode The Magic Tool Motorola : Specifically designed for Motorola devices , supporting IMEI repair and factory mode enabling. Free Utility Tools: SPD Write IMEI Tool

: A common lightweight utility used to enter and write the original IMEI via USB. After Sales Tool v7

: A free 2025 version specifically mentioned for newer security patches on Infinix and Tecno models. : A free option for unlocking and repairing Unisoc-based models from various brands. General Repair Process

While each tool varies, the standard repair procedure usually involves these steps:

An UNISOC (formerly Spreadtrum) IMEI Repair Tool is a utility designed to restore or write a valid IMEI number to mobile devices powered by UNISOC chipsets. This is often necessary when a device's IMEI becomes "Null" or "Invalid" after flashing a new ROM, factory resetting, or experiencing software corruption. ⚠️ Important Legal & Safety Warning

Legality: In many countries, changing an IMEI number to mask a stolen device is illegal. IMEI repair should only be used to restore the original IMEI listed on the device’s box or under the battery.

Risk: Improper use of these tools can permanently "brick" your device or damage its network capabilities. Popular UNISOC IMEI Repair Tools

Several tools, both free and professional, are commonly used for UNISOC/SPD devices:

SPD IMEI Tool (WriteIMEI): A lightweight, official utility specifically for UNISOC/Spreadtrum chipsets. It is widely used for writing original IMEI numbers via a PC.

Pandora Tool / Chimera Tool: Professional service tools used by technicians for advanced repairs, including "Patch Certificate" procedures often required for newer Android versions. unisoc imei repair tool

Infinity-Box (CM2SP2): A well-known hardware/software suite that supports a vast range of UNISOC CPUs for flashing and IMEI repair.

SPD Upgrade Tool: While primarily for flashing firmware, it is often used in conjunction with repair tools to put the device into the correct "Download" or "Diagnostic" mode. Key Requirements for Repair

To successfully use a UNISOC repair tool, you typically need the following:

UNISOC USB Drivers: Proper drivers (like the SPD U2SD COM port driver) must be installed so the PC can communicate with the phone's chipset.

Original IMEI: Locate your original IMEI by dialing *#06# (if still visible), checking the device box, or looking under the battery.

Diagnostic Mode: The phone usually needs to be connected in a specific state (often by holding Volume Down while plugging it in) to appear in the tool. General Restoration Process

While each tool differs, the general workflow for restoration involves:

Driver Installation: Install the latest UNISOC/Spreadtrum drivers on your Windows PC.

Tool Setup: Open the repair utility and select the correct chipset model (e.g., SC9863A, Tiger T610).

Input IMEI: Enter the 15-digit original IMEI into the provided fields in the software.

Connection: Power off the device and connect it to the PC while holding the boot key (usually Volume Down or Up).

Write/Start: Click the "Write" or "Start" button. The tool will communicate with the device's NVRAM to update the IMEI information.

For a step-by-step visual, many technicians use community guides on YouTube or specialized forums to find the specific tool versions compatible with newer brands like Realme, Infinix, and Tecno.

A UNISOC IMEI repair tool is a specialized software utility used to restore or rewrite the International Mobile Equipment Identity (IMEI) number on mobile devices powered by UNISOC (formerly Spreadtrum) chipsets. These tools are primarily used when a device's IMEI becomes "Null" or "Invalid," often due to software corruption during flashing, rooting, or firmware updates.  Commonly Used Tools 

Several tools, both free and paid, support IMEI repair for UNISOC-based devices like Infinix, Tecno, Realme, and Itel: 

ChimeraTool: A professional, paid software suite that recently enhanced its UNISOC solution to support permanent IMEI and serial number repairs for newer chips like the T760 and T820. Do not simply unplug

SPD Write IMEI Tool / IMEIWrite: Often referred to as a "factory tool," this is a lightweight utility specifically for Spreadtrum/UNISOC processors.

Aftersales Tool v7 (CarlCare): A free tool frequently used for Tanssion-branded phones (Infinix, Tecno, Itel) even on newer security patches.

Hydra Tool: A specialized dongle-based tool that provides "one-click" repair for various Android chipsets, including UNISOC.

iReverse Unisoc Ultimate Tool: A free utility that handles FRP (Factory Reset Protection) removal, flashing, and IMEI repair.  General Repair Process 

Understanding Unisoc IMEI Repair Tools: A Comprehensive Guide

A Unisoc IMEI repair tool is a specialized software utility used to restore or write International Mobile Equipment Identity (IMEI) numbers on devices powered by Unisoc (formerly Spreadtrum) chipsets. These tools are essential when a device's IMEI becomes "null," "invalid," or corrupted, often due to improper firmware flashing, software updates, or partition damage. Key Functions of Unisoc IMEI Tools

Most Unisoc repair utilities, such as the official WriteIMEI Tool, offer several core features:

Flash Single/Multiple IMEI: Allows users to write one or more IMEI numbers to a device in a single session.

Dual Connection Modes: Supports Normal Mode (device powered on) and Calibration Mode (device connected via USB without manual power-on).

Manual or Auto-Input: Users can manually type the 15-digit code or use auto-generation features for testing purposes.

Extended Repair Options: Some advanced tools like ChimeraTool can also repair serial numbers, Wi-Fi addresses, and Bluetooth MAC addresses. Popular Unisoc IMEI Repair Software Unisoc Imei Repair Tool

Unisoc IMEI Repair Tool is a specialized utility used to restore or fix the International Mobile Equipment Identity (IMEI) number on smartphones powered by Unisoc (formerly Spreadtrum) chipsets. These tools are typically used when a device shows an "Invalid IMEI" error, which often happens after a bad firmware flash, a system crash, or a deep software reset. Common Unisoc IMEI Repair Tools

Depending on your technical expertise, different software can handle Unisoc devices: SPD (Spreadtrum) WriteIMEI Tool

: This is the official and most common free utility for Unisoc chips. It allows users to write the original IMEI back to the device's NVRAM via a PC. WriteIMEI Tool (Latest Versions)

: Modern versions support newer Unisoc architectures (like the Tiger series). You can find various versions of this utility on repositories like or developer blogs like HardReset.info Chimera Tool

: A professional, paid service that supports extensive IMEI repair functions for Unisoc/Spreadtrum devices. It is highly regarded for its "one-click" functionality and is featured on ChimeraTool's official site Pandora Box / Tool Originally a MediaTek tool, modified versions exist for

: Another professional hardware/software combo often used in repair shops for deep system fixes on Unisoc-based brands like Infinix, Tecno, and Realme. When is IMEI Repair Necessary? Software Corruption

: If the EFS or NVRAM partition of the phone is corrupted, the IMEI may show as "0" or "Invalid," preventing the phone from connecting to cellular networks. Motherboard Replacement

: If a technician replaces a part of the hardware, they may need to re-sync the digital IMEI with the physical sticker on the phone's body. Firmware Updates

: Occasionally, an official or custom ROM update can wipe the network identification data. How it Generally Works

: You must install the correct Unisoc/SPD USB drivers on your PC so the tool can communicate with the phone in "DIAG" or "Download" mode.

: Most tools require the phone to be connected in a specific state (often by holding Volume Up/Down while plugging in the USB).

: The user enters the original IMEI (found on the box or under the battery) into the tool's interface and clicks "Write" or "Start." ⚠️ Important Legal & Safety Warning

: In many regions, including the US, UK, and India, changing an IMEI number to a different one is . These tools should only be used to restore the IMEI that came with the device.

For devices powered by Unisoc (formerly Spreadtrum/SPD) chipsets, an IMEI repair tool is specialized software used to restore a lost or "invalid" International Mobile Equipment Identity number. This often occurs due to software corruption, failed firmware flashes, or "null" IMEI errors. Popular Unisoc IMEI Repair Tools

Various tools exist ranging from free manufacturer-specific utilities to professional-grade multi-brand software:

Samsung, Android 13, IMEI Repair + Patch Certificate with Chimera

Originally a MediaTek tool, modified versions exist for Unisoc. It requires BROM (Boot ROM) mode access.

Assume you have the original IMEI 1 & 2 from your device’s box.

We will demonstrate using the free Unisoc IMEI Writer Tool (also known as SPD IMEI Tool v1.0). This works for 90% of older and mid-range Unisoc phones.

The Unisoc IMEI Repair Tool is a real, functional software category for technical restoration of lost IMEI numbers. However:

Recommendation: Do not download these tools for casual or unethical use. If your IMEI is genuinely null, do a clean flash of your phone's original ROM from the manufacturer support page first.