The Mobileuncle MTK IMEI Write Tool is a utility designed specifically for Android devices powered by MediaTek (MTK) processors to restore or "write" IMEI numbers that have been lost or corrupted, often after flashing a new ROM or performing a factory reset.
The "good" or primary feature of this tool is its ability to repair an "Invalid IMEI" error without needing a PC, allowing you to manually input the device's original IMEI digits directly from the phone. Key Features and Functions
Direct MTK Engineering Access: It provides a shortcut to the "Engineer Mode" on MediaTek devices, where low-level hardware settings—including radio information—can be adjusted.
IMEI Restoration: The tool allows users to re-enter the 15-digit IMEI number found on the device's original box or under the battery. This is critical because a device with an invalid IMEI cannot connect to cellular networks for calls, SMS, or mobile data.
Backup and Restore: Many versions include a feature to back up the NVRAM/IMEI data to an SD card, which is a vital safety step before modifying system firmware.
Lightweight and Mobile-First: Unlike many professional repair tools that require a computer and specific drivers, this tool is an APK that runs natively on the handset. Important Considerations
Root Access Required: Most functions of the tool, especially writing the IMEI, require the device to be rooted.
Legality and Ethics: While restoring an original, lost IMEI is a common repair practice, changing an IMEI to a different one is illegal in many jurisdictions (such as the UK and India) as it can be used to bypass blacklists on stolen devices.
Hardware Specificity: This tool is strictly for MediaTek (MTK) chipsets. It will not work on devices using Snapdragon (Qualcomm), Exynos (Samsung), or Kirin (Huawei) processors.
If you are currently facing network issues, you can verify your current IMEI status by dialing *#06# on your phone's dialer.
Are you trying to fix a specific network error on an MTK device, or do you need help identifying your chipset?
What Is an IMEI Lock and How Does It Work? A Complete Guide - floLIVE
Mobileuncle MTK IMEI Write Tool a legacy utility used to repair or rewrite the International Mobile Equipment Identity (IMEI) on devices with MediaTek (MTK) processors
. This process is typically required after a firmware flash or factory reset that has corrupted the device's NVRAM, resulting in an "Invalid IMEI" error. ⚠️ Important Disclaimer
Changing a device's IMEI to one other than its original factory-assigned number is
in many jurisdictions and may violate network terms of service. This tool should only be used to restore the original IMEI found on the device's sticker or box. How the Tool Works
The process generally involves two main components: a Windows-based generator and an Android-based restoration app. Generate the IMEI File (PC): Download and run the Mobileuncle MTK IMEI Write Tool on a Windows computer. Enter "Y" when prompted by the command window. Type in the 15-digit IMEI number(s) for your device. The tool creates a file named in the same folder. Restore on Mobile Device: file to the root of your device’s or internal storage. Install the Mobileuncle Tools APK (e.g., version 2.9.9) on your phone. Root Access: Your device must be mobileuncle mtk imei write tool
for this to work. Grant root permissions when the app requests them. Open the app and navigate to IMEI Backup Restore (or similar menu). Restore IMEI from SDCard and choose the Verification: Restart your device. Open the dialer and type to confirm that the IMEI has been successfully restored. Alternatives & Modern Tools
Since Mobileuncle is an older tool, it may not work on newer Android versions or 64-bit MTK chipsets. Other options include: ChimeraTool:
A professional service tool for repairing IMEI on modern MediaTek devices. Engineer Mode:
Some MTK devices allow IMEI writing through the built-in Engineer Mode (accessed via *#*#3646633#*#* ) without additional software. Xposed Framework: IMEI Changer
can mask or change the IMEI if the Xposed framework is installed on a rooted device. Do you need help finding the original IMEI for your device, or are you having trouble with a specific error message during the process?
Generic Repair IMEI (patch) on MediaTek devices with ChimeraTool
Mobileuncle MTK IMEI Write Tool is a utility designed for MediaTek (MTK) chipset devices to repair or restore IMEI numbers that have become "invalid" or "null" after a firmware flash or factory reset. lillauxenfants.fr Key Features IMEI Repair:
Restores the original 15-digit IMEI to the device’s NVRAM. Chipset Support:
Compatible with various MediaTek processors (e.g., MT6572, MT6582, MT6589, MT6592). Dual SIM Support:
Capable of writing both IMEI 1 and IMEI 2 for dual-SIM devices. Backup/Restore: Can create an file to safeguard original network identity. lillauxenfants.fr Usage Overview
Using this tool typically follows a specific sequence on a Windows PC: Preparation: Download the tool and extract the ZIP file. Execution:
Run the executable; a command window usually prompts for input. Identification: Input "Y" when asked if you wish to write a new IMEI.
Enter the 15-digit IMEI code (found on the phone box or under the battery). File Generation: The tool generates a file (often
) which must then be moved to the device's system directory using a root-enabled file explorer. lillauxenfants.fr Alternative Methods (No PC Required)
If you have a rooted device, you can often fix IMEI issues directly on the phone: MTK Engineering Mode: *#*#3646633#*#* allows access to Connectivity CDS Information Radio Information , where you can manually send AT commands like AT+EGMR=1,7,"YOUR_IMEI" to update the system. IMEI Changer Apps:
Various APKs exist for rooted devices with the Xposed Framework installed to change or mask the device ID. Important Warnings The Mobileuncle MTK IMEI Write Tool is a
It is illegal in many jurisdictions to change an IMEI number to one that does not belong to the original device. These tools should only be used to a lost original IMEI. Modifying system files requires root access
, which can void warranties or lead to device instability if done incorrectly. Verification: After any repair, always dial to verify the IMEI is correctly registered in the system.
Pick 1, 2, or 3 and I'll proceed.
The Mobileuncle MTK IMEI Write Tool is a specialized utility designed for Android devices powered by MediaTek (MTK) processors. It is primarily used to restore or repair International Mobile Equipment Identity (IMEI) numbers that have been lost or corrupted during firmware flashing, rooting, or custom ROM installation.
When a device loses its IMEI, it typically fails to register on cellular networks, resulting in "No Service" or "Invalid IMEI" errors. This tool provides a straightforward way to write the original IMEI back into the device's NVRAM. Key Features of Mobileuncle MTK Tool IMEI Restoration: Quickly fix invalid or null IMEI issues.
Engineering Mode Access: Open hidden MTK settings without secret codes.
Backup and Restore: Safeguard your existing IMEI/NVRAM data before making changes.
Device Info: View detailed hardware and software specifications.
User-Friendly Interface: Simplified menus designed for non-technical users. Prerequisites for Using the Tool
Before attempting to write an IMEI, ensure you meet the following requirements:
MTK Device: The tool only works on MediaTek-based smartphones (e.g., Helio or MT6xxx series).
Root Access: Your device must be rooted for the tool to access system-level NVRAM folders.
Original IMEI: You must have the original IMEI numbers, usually found on the phone’s box or under the battery.
USB Debugging: Enable this in the Developer Options of your Android settings. How to Write IMEI Using Mobileuncle Step 1: Installation
Download the Mobileuncle MTK Tools APK from a trusted source and install it on your device. Grant the app "Superuser" or "Root" permissions when prompted. Step 2: Access Engineering Mode
Open the app and select Engineer Mode. From the sub-menu, choose Engineer Mode (MTK). Step 3: Connectivity Settings A safe, legal deep technical explanation of how
Navigate to the Connectivity tab and select CDS Information. Within this menu, tap on Radio Information. Step 4: Entering the Commands
If your phone is dual-SIM, you will see "Phone 1" and "Phone 2."
For SIM 1: Tap Phone 1. In the command line (at the top), type AT+EGMR=1,7,"YOUR_IMEI_NUMBER".
For SIM 2: Tap Phone 2. Use the command AT+EGMR=1,10,"YOUR_IMEI_NUMBER". Step 5: Finalize and Reboot
Tap SEND AT COMMAND. You should see a confirmation message saying "AT command is mSent." Once finished, reboot your device to apply the changes. Important Safety and Legal Notice
⚠️ Legal Warning: It is illegal in many countries to change a device's IMEI to a number other than the one originally assigned by the manufacturer. This tool should only be used to restore your original, legal IMEI.
Backup First: Always backup your current system before using IMEI tools.
Risk of Soft-Brick: Incorrect commands can lead to software instability.
Warranty: Using root tools usually voids your manufacturer’s warranty. If you’d like more specific help, let me know: What is your phone model?
Are you seeing a specific error message (like "Command not allowed")? Is your device already rooted?
I can provide more targeted troubleshooting steps based on your setup.
Yes, but only for specific use cases.
If you have an old MT6580, MT6737, Helio P22, or Helio G80 device running Android 8 or 9, the MobileUncle MTK IMEI Write Tool is arguably the fastest, most convenient way to revive a dead IMEI without a PC. Its ability to run directly on the phone makes it perfect for field repairs.
However, if you own a modern Android 12+ device with a Helio G99 or Dimensity chip, do not waste time. Download Maui META or visit a professional repair shop.
BPLGUInfoCustomApp file (essential for restoring the modem configuration).What makes MobileUncle truly interesting is not the code—it is what the code represents. It is a rebellion against planned obsolescence and centralized repair monopolies. In an era where Apple and Samsung cryptographically lock IMEI data to motherboards (making unauthorized changes impossible), MobileUncle represents a lost age of repairability. It says: You own your phone. You should be able to fix it.
Of course, that freedom is abused. But so is the freedom to own a hammer. The tool itself is neutral. The ethics lie in the hand that holds it.
Today, MobileUncle is fading. Newer phones use Qualcomm, Unisoc, or secured MediaTek. The engineering backdoors are closing. But ask any old-school repair technician about the first time they brought a dead IMEI back to life with that tiny green app icon, and you will see a nostalgic smile. For a brief, glorious moment, they had the same power as a factory engineer. And they used it to help a neighbor make a phone call.
That is the legacy of the MobileUncle MTK IMEI Write Tool: a digital scalpel that became a people’s instrument—flawed, dangerous, and utterly indispensable.