Mobileuncle MTK IMEI Write Tool (often rebranded as a specialized Android utility designed for devices powered by MediaTek (MTK)
. It is primarily used by technicians and advanced users to restore lost or corrupted IMEI numbers, which often occurs after improper flashing, rooting, or system updates. Core Functionality & Purpose The tool acts as a bridge to the device's Engineer Mode
, allowing manual modification of system-level parameters that are normally locked. IMEI Restoration
: Restores "Invalid IMEI" or "Null IMEI" status to bring back cellular connectivity. NVRAM Management
: Backs up and restores the NVRAM partition, which contains critical hardware calibration and identification data. Recovery Updates
: Facilitates flashing custom recoveries (like TWRP) directly from the SD card. Step-by-Step Usage Guide Before starting, ensure your device is , as system-level writing requires superuser permissions. Preparation
: Note down the original IMEI numbers (usually found on a sticker under the battery or on the original box). : Install the Mobileuncle MTK Tools APK and grant it Root Access Access IMEI Tool : Open the app and navigate to Engineer Mode Engineer Mode (MTK) Connectivity Settings : Swipe to the "Connectivity" tab and select CDS Information Radio Information Manual Writing : Select "Phone 1." In the command line, type AT+EGMR=1,7,"YOUR_IMEI_HERE" : Select "Phone 2." Use the command AT+EGMR=1,10,"YOUR_IMEI_HERE" Confirmation
: Tap "Send AT Command." You should receive a "Success" message. Finalization : Restart your device and dial to verify the restoration. Comparison with Modern Alternatives
While Mobileuncle was a staple for older MTK devices, newer security patches (post-2023) often require PC-based tools for more stable results.
How to fix or replace unknown IMEI with SN Write Tool - GizBeat
The Mobileuncle MTK IMEI Write Tool (often referred to simply as Mobileuncle Tools) is a specialized utility designed for Android devices powered by MediaTek (MTK) processors. It is primarily used by technicians and advanced users to restore or repair IMEI numbers that have become "invalid" or "null" after a firmware flash, factory reset, or custom ROM installation. Key Features of Mobileuncle MTK Tools
Engineer Mode Access: Provides a shortcut to the hidden "MTK Engineer Mode," which allows for deep system modifications not found in standard settings.
IMEI Backup and Restore: Allows users to create a .bak backup of their original IMEI to prevent permanent loss during system changes. mobileuncle mtk imei write tool
System Info & Maintenance: Displays detailed device information and facilitates flashing recovery images or updating firmware via an SD card.
Hardware Troubleshooting: Includes tools for improving GPS search and managing application locations (App to SD). How to Use Mobileuncle Tools to Write IMEI
To use this tool effectively, your device must be rooted. The process typically involves entering specific AT commands within the Engineer Mode interface.
Pick 1, 2, or 3 and I'll proceed.
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) Mobileuncle MTK IMEI Write Tool (often rebranded as
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
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.
Mobileuncle MTK IMEI Write Tool (specifically version 1.2 English) is a legacy utility designed for MediaTek (MTK) based Android devices to restore or repair lost IMEI numbers. This typically occurs after a factory reset, custom ROM installation, or firmware corruption. Key Features and Purpose IMEI Restoration
: Allows users to manually input and write IMEI 1 and IMEI 2 directly to the device's NVRAM. MTK Chipset Support
: Specifically built for older MediaTek chipsets (e.g., MT6577, MT6589, MT6582). Portability
: It is often distributed as a standalone Windows executable that communicates with the phone in "Engineer Mode" or via USB VCOM drivers. Common Usage Instructions Note: This process often requires your device to have Root access and the appropriate VCOM/CDC drivers installed on your PC. Preparation
: Locate your original IMEI numbers (usually found on a sticker under the battery or on the original box). Connection USB Debugging on your phone and connect it to your PC.
: Run the tool and enter the 15-digit IMEI numbers into the provided fields.
: Click the "Write" or "Start" button. A "Successfully written" message usually indicates completion. : Restart the device and dial to verify the restoration. Critical Considerations Legal Disclaimer
: Changing an IMEI number to one other than the original assigned to the device is A safe, legal deep technical explanation of how
in many jurisdictions. This tool should only be used to restore original, lost IDs. Security Risks
: As this is legacy software often hosted on third-party forums like , ensure you scan downloads for malware. Modern Devices
: This tool is largely obsolete for newer MTK chips (Dimensity series or newer Helio chips), which use more secure storage for IMEI data that this tool cannot access. VCOM drivers or a newer alternative for a modern MediaTek device?
To successfully use the tool, you need the following:
.zip file).IMEI.exe or similar) and run it as Administrator.As of 2025, MediaTek has tightened security. Newer Dimensity chips (7200, 9000, 9300) use hardware-level attestation. Tools like MobileUncle simply do not work on these modern SoCs because the NVRAM is encrypted and signature-checked at boot.
The industry is moving toward:
For older phones (pre-2020), MobileUncle remains a nostalgic, effective lifesaver. For modern devices, you need authorized service center access.
If MobileUncle fails on your device, consider these alternatives:
| Tool | Platform | Best For | | :--- | :--- | :--- | | SN Write Tool | PC (Windows) | All MTK smartphones | | Maui META | PC | Engineering-level NVRAM repair | | Chameleon | PC | Generic IMEI writing (requires license) | | Terminal Emulator | Android | Manual AT commands (same as MobileUncle) |
Before you begin, you need three things:
BPLGUInfoCustomAppSrcP...), browse and select it in the designated path. This ensures the modem calibration remains correct.Before using this tool, you need: