In the world of Fiber-to-the-Home (FTTH) broadband, two standards have dominated the last decade: GPON (Gigabit Passive Optical Network) and EPON (Ethernet Passive Optical Network). While they serve the same purpose—delivering gigabit speeds via fiber optics—they are not interoperable. This has left countless users of the versatile router/ONT (Optical Network Terminal) frustrated. You may have purchased a second-hand HG8245H5, only to discover it is locked to a GPON network, while your Internet Service Provider (ISP) runs on EPON.
: Generally supports up to 1 Gbps and is often used by smaller or regional ISPs. firmware huawei hg8245h5 gpon to epon 2021 exclusive