How do you know it's an NVRAM issue and not a SIM card or antenna problem? Look for these signs:
: NVRAM is device-specific. It is always recommended to use a backup from your own device or a "clean" file from the same model. General Procedure for Restoration Preparation : Load the Scatter file into the SP Flash Tool . tecno kg5k nvram file
Tecno KG5k (commercially known as the Tecno Spark 8C ) is a Spreadtrum (SPD) chipset device, unlike many other Tecno models that use MediaTek. An NVRAM or NV file is essential for fixing "Unknown Baseband," "Invalid IMEI," or "NV Data Corrupted" issues. NVRAM/NV File Restore Guide How do you know it's an NVRAM issue