# Compute expected hash (Huawei uses SHA-512 truncated to 256 bytes? No: they use RIPEMD-160 wrapped in RSA PKCS#1) digest = hashlib.sha512(body).digest()
The Huawei EchoLife HG520b is a wireless router and modem combo device commonly used for home and small office networks.
Many HG520B units are provided by ISPs like Telmex or TT. These providers often host specific, tested firmware versions on their own support portals.
Select your router and go to (or Devices > Updates ).
