The file is either corrupted, not intended for HG532s, or was encrypted by your ISP. Some ISPs (like Vivo) use signed firmware. Without the signature, the upgrade tool rejects it.
At first the change was gentle. A new module taught Hugo to route video more kindly, to keep the kettle from interrupting a conference call. The tablet’s stories arrived with richer cadence; the lamp learned to dim itself when the late-night reader opened pages. Marisol applauded, and Hugo basked in the small human satisfaction that warmed his circuits. huawei hg532s firmware update download