Editing the NVRAM manually often involves converting ASCII identifiers (like your IMEI) into Hex values.
: Advanced users sometimes extract the nvram.bin and use a Hex editor. As discussed on Facebook , you may need to convert your IMEI to hex numbers (e.g., 00004666... to 30 30 30 30 34 36... ) and write them into the file using tools like SP_META. mtk nvram editor
Before you perform any "Format All + Download" in SP Flash Tool, back up your NVRAM. Editing the NVRAM manually often involves converting ASCII