Look for the Local Update button. Select your downloaded firmware file.
Huawei firmware is typically divided into two parts: the and the Web UI (the interface) . For a successful update, both should be compatible. Official Update Method (Recommended) Huawei B535-232 Firmware-- Download
If the "Check for Updates" tool fails, or if you are looking for a specific regional version (e.g., General, Nordic, or Middle East), you may need to source the .bin or .zip files manually. Look for the Local Update button
Tell me these details and I can find a specific download link for you. or Middle East)