If you have tried OTA, manual, and HiLink app but the firmware refuses to change, your router is likely "Carrier Locked." ISPs like EE (UK), Telstra (AU), and T-Mobile (PL) overwrite Huawei’s update servers with their own.
What is your (found on the device info page)? Are you experiencing a specific bug you're trying to fix? Huawei B535-232 Firmware Update
Huawei firmware typically follows a pattern like . 11.x: The main software version. If you have tried OTA, manual, and HiLink
Before diving into the "how," let’s examine the "why." Many users ignore firmware updates, operating under the “if it ain’t broke, don’t fix it” mantra. With the B535-232, this is a mistake. Here is what you gain by updating: Huawei firmware typically follows a pattern like
Only flash firmware that matches your current "C" code unless you are willing to risk bricking the device to unlock it.