After testing this specific 2021 exclusive firmware on ISPs like Comcast (USA), MTNL (India), and KDDI (Japan), the results are impressive:
After months of testing, I’ve managed to get a for the Huawei HG8245H5 that properly unlocks the GPON → EPON switch. firmware huawei hg8245h5 gpon to epon 2021 exclusive
However, in 2021, a series of firmware files—often tagged as "exclusive" or "unlocked" ISP versions—began circulating in technical forums and private vendor channels. These firmware packages revealed that the chipset inside the HG8245H5 (typically a Huawei HiSilicon chip) was physically capable of dual-mode operation. The limitation was entirely software-imposed. After testing this specific 2021 exclusive firmware on