Launch the WriteIMEI.exe file. Once the interface opens, click on the or "Settings" tab. Select the "USB" option as your communication type. Step 2: Load Database Files This is the most critical step. Click on Select DB (or the folder icon).
Before diving into the tool’s mechanics, it’s crucial to understand the legitimate scenarios where rewriting an IMEI becomes necessary:
: Better stability for COM port detection and USB diagnostics modes. Where to Find the Tool
This indicates that the NVRAM/NVDATA partition is write-protected or physically damaged. You may need to format the device completely with a scatter file via SP Flash Tool before attempting the repair again. Technical Specifications Summary Specification Software Name Write IMEI Tool R300001 (Updated) Supported OS Windows 7 / 8 / 10 / 11 Primary Chipsets MediaTek (MTK), Spreadtrum (SPD/Unisoc) Supported Modes Meta Mode, AT Mode, Calibration Mode File Formats Required Database files ( BPLGU... , MDDB... ) License Freeware / Technician Utility
| Tool Name | Best For | Pros | Cons | |-----------|----------|------|------| | | MediaTek Devices | Official, stable | Complex for beginners | | SN Write Tool | Qualcomm & MTK | Supports batch writing | Requires scatter file | | Unisoc Repair Tool | Spreadtrum/Unisoc | Modern UI, updates | Paid version needed for new chips | | NCK Box / UMT | Professional repair | Hardware box, safe | Expensive ($100–300) | write imei tool r300001 updated
Enter the 15-digit IMEI number(s) into the IMEI 1 (and IMEI 2 ) field(s). Click the button.
The wait is over! The latest is now available for download. This update brings massive improvements in connection speed and device compatibility.
Previous versions struggled with the 5G NR’s SUCI (Subscription Concealed Identifier) mechanism, often bricking the UE (User Equipment) security context. The updated R300001 now features a SUCI-to-IMEI bridge , allowing the tool to read/write IMEIs even when the network requires hidden identifiers. It supports all major 5G chipsets: Qualcomm Snapdragon X70/X75, MediaTek M80, and Samsung Exynos 5300.
Forums or technical documentation.
Repair wisely. Stay legal. Keep those phones alive.
The is a specialized utility designed primarily for repairing or restoring International Mobile Equipment Identity (IMEI) numbers on devices powered by Spreadtrum (SPD) or UNISOC chipsets. This tool is essential for technicians and users who encounter "Invalid IMEI" or "IMEI Null" errors following a firmware flash or system corruption. Key Features of Write IMEI Tool R3.0.0001
The Write IMEI Tool R300001 is a lightweight Windows application built primarily for devices running on specific chipsets, such as MediaTek (MTK) and Spreadtrum (SPD/Unisoc). When a device shows an "Invalid IMEI" or "Null IMEI" error after a firmware flash, this tool writes the original hardware identifier back into the device's permanent memory. Key Features of the Updated Version
Leo discovered the , a specialized utility designed specifically for these hardware revisions. Here is how he used it to bring the devices back to life: Launch the WriteIMEI
October 2026
Websites offering the tool for download.
The is not just a software update—it is a renaissance of a classic utility. With its robust support for 5G, eSIM, post-quantum security, and a refined user interface, it sets a new standard for low-level mobile device maintenance. Whether you are a professional repair technician replacing a shattered motherboard, a forensic analyst extracting evidence, or an embedded developer testing baseband firmware, this tool belongs in your arsenal.
Within the WriteIMEI application interface, navigate to the tab. Select the specific COM number that matches the active connection identified in the Device Manager. Click on Mode Select , choose Normal Mode , and hit the select validation key. Step 4: Configure Data Addresses Step 2: Load Database Files This is the most critical step
The development team has already announced features for the next major update, expected Q2 2027:
: Beyond IMEI numbers, the tool can update Bluetooth addresses, Wi-Fi MAC addresses, and serial numbers.
