: Many ISPs (like Three UK) disable bridge mode in their standard firmware, making it difficult to use your own high-end router alongside the . Custom firmware can re-enable this feature.
: The Huawei-LTE-routers-mods repository on GitHub is a primary hub for modified (custom) firmware and web interface source code for various Huawei LTE routers. huawei b535232 custom firmware link
: Many modded firmware files are originally hosted or re-uploaded to the Russian 4PDA.to forums. Note that you typically need a registered account to view or download files from this site. : Many ISPs (like Three UK) disable bridge