A green checkmark box named will appear when finished. Disconnect the phone and power it on. How to Fix Network Issues If Flashing Fails
If your Huawei Y5 2017 (MYA-L22) is showing "Invalid IMEI," "Baseband Unknown," or has network issues, you likely need to repair or restore the NVRAM partition. This is common after a faulty flash or an interrupted update. ⚠️ Disclaimer
: For its price point, it was considered a solid investment for basic tasks. Physical Features mya-l22 nvram file
Load the BPLGUInfoCustomAppSrcP... database file found inside your Mya-L22 stock firmware folder.
Extract the downloaded (containing the scatter file) and the MYA-L22 NVRAM file into separate, easily accessible folders on your desktop. Step 2: Configure SP Flash Tool Launch flash_tool.exe as an administrator. A green checkmark box named will appear when finished
and are facing issues like "Invalid IMEI," "Baseband Unknown," or "Wi-Fi/Bluetooth turning off automatically," you are likely dealing with a corrupted (Non-Volatile Random Access Memory) partition.
The is a MediaTek-based device, meaning its NVRAM file is critical for storing unique hardware information like IMEI numbers, MAC addresses, and network calibration data. If this file is corrupted or lost (often after flashing a custom ROM or an incorrect firmware), you will likely encounter "Invalid IMEI," "WiFi NVRAM Warning: Err 0x10," or total network signal loss. Core Purpose of MYA-L22 NVRAM This is common after a faulty flash or an interrupted update
If this file is deleted or corrupted, the device loses its unique identity, resulting in a total loss of cellular signal, Wi-Fi, and Bluetooth capabilities. 2. Why Does the NVRAM Corrupt? (Common Causes)
Smartphones rely on a delicate balance of software layers to function properly. For the Huawei Y6 Pro 2017 (Model: MYA-L22), powered by a MediaTek (MTK) chipset, one of the most critical yet fragile software components is the NVRAM (Non-Volatile Random-Access Memory) partition.
The official MediaTek utility for writing IMEIs. Maui META Tool: Excellent for deep modem NVRAM editing.