As ISPs upgrade their OLT (Optical Line Terminal) equipment, your ONT needs updated firmware to communicate efficiently.
Some firmware updates reset the login to factory defaults. Try admin / password . hg8345r firmware top
The HG8345R is a legacy-style ONT often provided by ISPs like Airtel, Dialog, or PTCL. Because these devices handle your entire home network, outdated firmware can lead to: Frequent disconnects on the 2.4GHz band. As ISPs upgrade their OLT (Optical Line Terminal)
Navigate to System Tools > Firmware Upgrade . Select the .bin or .tar file you downloaded. hg8345r firmware top
Finding the correct file can be tricky because Huawei typically does not provide direct downloads to end-users (they prefer dealing with ISPs).
Go to System Tools > Configuration File and download your current settings.