Last Updated: May 2026 (UPDATED)

A: No. Huawei added a anti-rollback flag in the 2025 bootloader. Once you go to -UPD-, you cannot revert to factory firmware. Final Verdict: Is the -UPD- Risk Worth It? Yes – if you have the correct file. The performance improvements in the –UPD– revision are dramatic. Bufferbloat drops from a C grade to an A grade on Waveform’s test. The 5GHz radio finally stays online for weeks. And most critically, the security patch closes the CVE-2024-4238 backdoor that botnets have been exploiting since Q3 2025.

A: Web method: 4 minutes. TFTP: 2 minutes. USB recovery: 8 minutes.

A: If your router is ISP-leased, yes. They push their own -UPD- via TR-069 silently. If you own the device, update. ISP-blocked updates often remove remote management backdoors.