No. The NVRAM partition is not accessible from Android without root, and even with root, you need a PC to write to the raw partition via SP Flash Tool.
provide collections of NVRAM backups and database files (often in formats) for various MediaTek models. Common Tools: These files are typically loaded into software such as SP Flash Tool Miracle Box to write the correct parameters back to the device. Extraction: nvram database file mt6765 download free
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