(GitHub: bkerler/mtkclient) is a powerful open‑source Python utility for MediaTek devices. It’s ideal for creating complete backups of your NVRAM, NVDATA, NVCFG, and PERSIST partitions before attempting any repairs—a crucial preventive measure.
The IMEI is a unique 15-digit serial number used by carrier networks to identify valid devices. On MediaTek smartphones, this number is securely stored in a dedicated storage partition known as the (Non-Volatile Random-Access Memory) or NVDATA .
An MTK IMEI repair tool is software designed to interface with the modem/baseband of a MediaTek device. It allows users to write a new, valid IMEI number into the device's NVRAM (Non-Volatile Random Access Memory). These tools are essential for restoring functionality when a device shows "Invalid IMEI" or has no signal. Top MTK IMEI Repair Tools (2026 Updated) 1. ModemMeta Tool (All Versions)
Click "System Config" and select the APDB and BPDB files corresponding to your device firmware. mtk imei repair tool
However, with this power comes responsibility. Always remember:
Whether this happened after flashing a custom ROM, formatting your device, or a corrupted firmware update, a dedicated can restore your device's unique identifier.
Repairing an IMEI requires precise preparation to avoid permanently hard-bricking your smartphone. On MediaTek smartphones, this number is securely stored
Another official MediaTek utility specifically engineered for factory-level configuration. It allows users to write the IMEI, serial number, Bluetooth address, and Wi-Fi MAC address simultaneously.
: A professional-grade tool used for more stubborn cases. It connects to the device in "Meta Mode" to write the IMEI directly to the hardware.
MediaTek processors store the IMEI number, calibration data, and network configurations in a dedicated, protected storage partition known as the (Non-Volatile Random-Access Memory) or NVDATA . These tools are essential for restoring functionality when
Extremely user-friendly; fast, one-click execution; broad device support.
| | Best Tool to Use | |---|---| | Phone still boots, shows "Invalid IMEI," rooted device | MTK Engineering Mode (AT commands) | | Phone boots, IMEI lost but otherwise functional | SN Write Tool | | Phone boots but Modem META won't connect (security bypass needed) | ACT Unlock Tool → then Modem META | | Phone semi-bricked, can't boot into Android, IMEI lost | Modem META (requires META Mode access) | | Never want to lose IMEI again (preventive) | MtkClient (backup NVRAM/NVDATA) | | Professional repair technician with many MTK devices | SN Write Tool + Modem META + hardware box |