Unique identifiers for your Wi-Fi and Bluetooth hardware modules.
This is a famous MediaTek error meaning the NVRAM checksum failed. Use the MTK NVRAM Editor to rewrite the IMEI and MAC addresses, then the warning disappears. mtk nvram editor
Specific RF (Radio Frequency) settings for your antenna. MAC Addresses: Unique IDs for Wi-Fi and Bluetooth modules. Lock Status: Information regarding SIM or operator locks. Essential Tools for the Job Unique identifiers for your Wi-Fi and Bluetooth hardware
While primarily a flashing tool, SP Flash Tool is the most common interface for interacting with NVRAM partitions. Specific RF (Radio Frequency) settings for your antenna
| Error Message | Solution | |---|---| | | Re-install MTK VCOM drivers. Try a different USB port. Ensure phone is off before connecting. | | "S_DL_GET_DRAM_SETTING_FAIL" | Your device has a protected DA (Download Agent). Use the "SP Flash Tool" to unlock bootloader first. | | "NVRAM database not matching" | Download the correct NVRAM database file for your exact phone model. | | IMEI sticks after reboot | Perform a factory reset after writing IMEI. Also clear the "NVRAM WIFI" cache via stock recovery. | | Tool crashes on Windows 10/11 | Run in Windows 7 compatibility mode (Properties → Compatibility). |