This is not a trivial disclaimer—changing or reprogramming an IMEI number is :
Modern MTK smartphones requiring secure Meta Mode access. 2. Maui META / ModemMeta (Official Tool)
You must have your original IMEI (found on the box or under the battery). Drivers: Install MTK USB VCOM Drivers on your PC.
When you flash a raw firmware file or format a device incorrectly, this partition can become corrupted or wiped entirely. Without a valid IMEI, the device cannot register on any mobile network, rendering calling, texting, and mobile data useless. IMEI repair tools work by communicating directly with the MediaTek processor chip to rewrite this data back into the NVRAM partition. Top MTK IMEI Repair Tools for 2026 mtk imei repair tool
Alternatives to using an IMEI tool
Complex user interface; requires exact database files ( BPLGUInfoCustomAppSrcP... ) matching your current firmware. 2. SN Writer Tool (Smart Phone Write Tool)
A search/action dropdown menu will appear. Select . A new window pops up. Click Change NVRAM Database File . This is not a trivial disclaimer—changing or reprogramming
Lightweight; official tool; can write dual IMEIs simultaneously.
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Requires both modem database files and AP database files from the stock firmware. 3. MTK Client (Open-Source & Powerful) Drivers: Install MTK USB VCOM Drivers on your PC
Maui META is the official, highly powerful utility developed by MediaTek for deep-level hardware configuration.
Lightweight, straightforward interface, requires local firmware database files.
Fixing invalid IMEI issues on older and mid-range MTK devices. 3. Hydra Tool (Dongle-Based)
For situations where you can still boot your phone (even with invalid IMEI), offers a straightforward, PC‑free repair method using AT commands.
If the IMEI disappears again after a wipe, it means the tool wrote to the temporary cache instead of the permanent hardware partition. Ensure the phone is fully anchored in Meta Mode/BROM mode before writing. Safety and Best Practices