Understanding your router’s hardware version is also important because it determines which firmware versions are compatible. The most common hardware version is [33†L16-L17].
The modified firmware file ( .bin or .tar extension) and a flashing tool like Balong Flash or Huawei Firmware Flasher . Huawei B525s-23a Firmware
If your router supports VoLTE but the menu option is absent, flashing a custom Web UI that explicitly enables the feature is the most reliable fix. Alternatively, advanced users can activate VoLTE through API calls using a tool like [33†L28-L31]. If your router supports VoLTE but the menu
Officially, the B525s-23a is one of those devices where finding firmware directly from Huawei’s public support portals can feel like a hunt. Huawei often distributes updates via service providers (like TIM in Italy or Optus in Australia) or through localized partners. However, there are a few reliable avenues to locate official .bin and executable .exe update files for the router. Huawei often distributes updates via service providers (like