To apply a dump or firmware file, users typically use the (often named Upgrade Tool_Multicast Package Transmit Tool_MUT_eng ). Connect : Plug the router into a PC via a LAN cable.
: Flashing a dump file is a high-risk procedure. Using the wrong version or losing power during the process can permanently damage the hardware. Huawei Router HG531 Fix | TE-DATA Issue - GitHub
: If you just need a reset, hold the physical Reset button on the back of the device for 10 seconds while it is powered on.