You're looking for information on the NVRAM file for the Huawei MYA-L22.

If you cannot extract it yourself, search for these exact filenames (do not use random uploads):

The NVRAM file is usually stored in a dedicated partition on the device's internal storage, and its contents are crucial for the device's proper functioning.

If using SP Flash Tool:

Huawei Y5 2017 (MYA-L22) NVRAM file to store critical device-specific information such as IMEI numbers, calibration data, and MAC addresses. Losing or corrupting this file—often during a bad flash or formatting—leads to issues like "Invalid IMEI," "WiFi NVRAM WARNING: ERR 0x10," or complete loss of cellular signal. DeviceAtlas NVRAM File for Huawei MYA-L22