: A standard utility used to write Serial Numbers and IMEIs using the device's specific model database files. ModemMeta Tool (all versions) - Xiaomi Tools
：某些小米机型（如Redmi 9a）只能修复IMEI2（卡槽2），写入IMEI1会导致Recovery Loop循环重启并报错 Nv Data Corrupted 。若遇此情况，可先将IMEI1设为15个0，仅写入IMEI2。
IMEI issues on Xiaomi devices can occur due to various reasons, including:
In most jurisdictions (USA, EU, UK, India), changing the IMEI of a stolen phone is a felony. These tools are intended exclusively for repairing your own legally owned device where the original IMEI (printed on the box/back sticker) was lost due to software corruption. Do not use these to change IMEIs for fraudulent purposes.
A classic tool provided by MediaTek specifically for writing IMEI, configuring calibration data, and fixing modem errors on MTK chipset devices.
Modern Xiaomi, Redmi, and POCO devices with locked bootloaders and secure boot configurations.
Complete Guide to Xiaomi IMEI Repair Tool MTK: Fix Invalid IMEI & Network Issues
MediaTek processors handle cellular connectivity and device identity differently than Qualcomm Snapdragon chips. On MTK platforms, critical network calibration parameters, MAC addresses, and IMEI numbers reside in two main blocks:
