You're looking for information on the NVRAM file for the Huawei MYA-L22.
: Usually provided as a .bin or .tar file, or as part of a full firmware backup. mya-l22 nvram file
: If the device cannot turn on WiFi or has a "00:00:00:00:00:00" MAC address. Technical Details for MYA-L22 You're looking for information on the NVRAM file