: Do not turn off the router or unplug the cable. The process takes 3–5 minutes. The router will reboot automatically. Troubleshooting and Best Practices
If you received this router from an ISP (like TalkTalk in the UK or others), the firmware is specific to them. huawei echolife hg520b firmware upgrade download verified
# Load Huawei's extracted root CA public key (modulus from CFE) huawei_pub_key = rsa.PublicKey(load_modulus_from_cfe(), 65537) : Do not turn off the router or unplug the cable