Specifically designed for IMEI and NVRAM management. These tools connect to the phone in META mode to edit or back up radio-related data. How to Backup Using MTKClient
| Partition | Size (typical) | Contents | Criticality | |-----------|---------------|----------|-------------| | | 5MB – 8MB | Raw IMEI, MAC, RF calibration, SN | 🔴 Critical | | nvdata | 20MB – 50MB | Runtime NVRAM, Wi-Fi/BT config, network settings | 🟠 High | | protect_f / protect_s | 4MB each | Redundant copies of critical NVRAM metadata | 🟠 High | | persist | 32MB | Sensor calibration, audio tuning, DRM keys | 🟡 Medium | Oppo Realme MTK Nvdata-Nvram Backup
Since these partitions are protected, specialized tools are usually required to read or write them: Specifically designed for IMEI and NVRAM management
These partitions store your device’s "soul"—including your Oppo Realme MTK Nvdata-Nvram Backup