Huawei does not always publish consumer router firmware directly, but you can try:
You have successfully installed the firmware update. Now, optimize the router: Huawei Hg532s Firmware Update Downloadl
Navigate to:
Only update if:
In most cases: If the HG532s is working fine, do not update. This model is legacy (circa 2012–2015), and newer firmware rarely adds features. Huawei does not always publish consumer router firmware