On MediaTek devices, the IMEI is stored in a specialized partition called (Non-Volatile Random Access Memory), specifically the /dev/nvram or /dev/nvdata region.
When Alex dealt with modern smartphones from Xiaomi or Samsung, he relied on UnlockTool
Run as Administrator. Select "Smart Phone" → "MTK" platform. Select "USB VCOM" as interface. Select "IMEI" as the option. Enter your IMEI1 and IMEI2. best mtk imei repair tool
If you are staring at a "No Service" notification or seeing "Null" or "Invalid IMEI" in your device settings, you are not alone. This is a common software glitch, often caused by a failed firmware update, a bad flash, or accidental formatting of the NVRAM partition. The good news? It is almost always fixable with the right software.
| Tool | Key Features | Best for | |------|--------------|-----------| | | Official tool from MediaTek, requires BROM mode, writes original IMEI via USB | Advanced users, no root needed | | SN Write Tool | Also official, simpler UI, works with many MTK phones | Restoring IMEI + BT/WiFi MAC addresses | | Meta Mode (built-in) | Dial *#*#3646633#*#* on some MTK phones → Connectivity → CDS Information → Radio Information | Quick fix if IMEI is just "0" or null (needs root) | | MTK Engineering Mode apps | Various apps on Play Store (use cautiously) | No PC, but usually root required | On MediaTek devices, the IMEI is stored in
, a mobile technician whose shop was filled with "invalid IMEI" phones that couldn't make calls after bad software updates
For repairing or restoring original IMEI numbers on MediaTek (MTK) devices as of April 2026, the "best" tool depends on whether you require a professional-grade paid utility for a wide range of devices or a free factory tool for a specific model. Top Professional Tools (Paid/Dongle) Select "USB VCOM" as interface
The International Mobile Equipment Identity (IMEI) is a 15-digit unique identifier for your phone. Think of it as a car’s VIN number. Carriers use it to blacklist stolen phones or allow legitimate devices on their network.
In this 2,500+ word guide, we will identify the based on safety, success rate, ease of use, chipset compatibility (Helio G series, Dimensity, and legacy chips), and cost.
