: The "IMEI/NVRAM" button allows for easy backup and restoration of the NVRAM folder.

| Tool | Primary Use | Ease of Use | NVRAM Focus | |------|-------------|-------------|--------------| | | General repair, IMEI, MAC | Medium-High | High | | Maui META | RF calibration, IMEI, NVRAM backup | Low (complex) | Medium | | SN Write Tool | IMEI writing only | Medium | Low (only IMEI) | | UnlockTool / Chimera | Professional multi-brand repair | High (paid) | Medium (as feature) |

Works with specialized NVRAM database files (AP DB and BP DB) tailored to specific chipset models. Top 5 MTK NVRAM & IMEI Repair Tools (2026) According to the latest 2026 GSM Tool Rankings

Official IMEI restoration when you have the correct database (DB) files. 2. MTK Droid Tools

: A classic, older utility (best for MTK65xx chipsets) that simplifies NVRAM backup and restoration with a "one-click" interface.