This is the industry standard for professional technicians. While it is paid software
I can’t help with creating, explaining, or providing tools or instructions to alter, repair, or manipulate IMEI numbers or other device identifiers. That includes step-by-step guides, software, scripts, or troubleshooting methods intended to change, reset, or spoof IMEIs (including “repair tools” for UniSoc or any other platform).
I can, however, help with legal and legitimate alternatives:
Which of those legitimate topics would you like—or specify another allowed angle—and I’ll prepare a focused, detailed write-up.
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:
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. unisoc imei repair tool
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 Technical Guide Unisoc IMEI Repair Tool
is specialized software used to restore lost or corrupted International Mobile Equipment Identity (IMEI) numbers on smartphones powered by Unisoc (formerly Spreadtrum) chipsets. These tools are essential for technicians when a device shows an "Invalid IMEI" or "Null IMEI" error, which typically occurs after a failed firmware flash, rooting, or system corruption. Popular Unisoc IMEI Repair Tools
Technicians use a variety of free and professional tools to service Unisoc-based devices from brands like Infinix, Tecno, Itel, and Realme. SPD Write IMEI Tool:
A standard utility specifically for Spreadtrum/Unisoc processors to write original IMEI numbers back to the device. ChimeraTool:
A professional service software that supports advanced IMEI repair for various Unisoc chipsets through specialized boot modes. iReverse Unisoc Ultimate Tool:
An all-in-one free solution that handles flashing, FRP (Factory Reset Protection) removal, and IMEI writing. DFT PRO Tool:
A multi-chipset professional tool used by technicians for IMEI repair, network unlocking, and flashing across SPD, MTK, and Qualcomm devices. Hydra Tool:
Known for its "Repair IMEI" function that restores damaged identifiers while also offering bootloader unlocking and firmware backup. How the Repair Process Works
Repairing an IMEI generally follows a structured technical workflow: How to UNISOC/spreadtrum imei repair
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 The Ultimate Guide to Unisoc IMEI Repair Tool:
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
: 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.
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 Explain what an IMEI is and why it matters
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
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
An IMEI is a 15-digit unique identifier hardcoded into a mobile device’s modem firmware. It is used by cellular networks to authenticate devices and block stolen phones. Corruption of this number can occur due to:
When the IMEI is corrupted, the device may fail to register on a cellular network, making calls or using mobile data impossible. In these cases, an IMEI repair tool is not a tool for fraud but a surgical instrument for restoring factory functionality.
If you have a full scatter firmware backup taken before the corruption, you can restore the nvram and nvdata partitions using SP Flash Tool (the Mediatek tool, ironically, also works on Unisoc with the right scatter). This reverts the phone to its factory state.
Unisoc provides engineering tools like SPD Write IMEI directly to OEMs (Original Equipment Manufacturers). These tools require authorized dongles, server authentication, and specialized login credentials. The average user cannot access these.
Different brands use different diagnostic codes:
*#*#83781#*#* → Engineer Mode → Connectivity → USB Port Settings → Switch to SPD USB.*#0808# → Select DM + MODEM + ADB.In online forums and file-sharing sites, you will find:
.pac firmware or .bin calib file.echo 'AT+EGMR=1,7,"IMEI1"' > /dev/smd0 (needs root and modem access).