Looking for logging into the Steam Mobile Problem site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Steam Mobile Problem site. After that you can login as usual with your login credentials.
https://steamcommunity.com/discussions/forum/8/864972399814349468/
https://www.reddit.com/r/Steam/comments/3vepd8/steam_mobile_app_doesnt_allow_for_log_in/
https://www.gutefrage.net/frage/steam-mobile-einloggen-geht-nicht
https://help.steampowered.com/de/wizard/HelpWithSteamIssue/?issueid=809
https://support.steampowered.com/kb_article.php?ref=8625-wrah-9030&l=german
https://downdetector.com/status/steam/mobile
https://www.computerbase.de/forum/threads/steam-login-nicht-moeglich-steam-authenticator.1508114/
https://forums.tomshardware.com/threads/i-cant-log-into-mobile-steam-to-authorize-my-login.2544960/
https://www.zero-one.cc/forum/thread/9267-steam-app-meldet-sich-unter-ios-ab/
https://play.google.com/store/apps/details?id=com.valvesoftware.android.steam.community&hl=de
https://itunes.apple.com/de/app/steam-mobile/id495369748?mt=8
https://gaming.stackexchange.com/questions/252891/steam-mobile-authenticator-not-working
https://screeps.com/forum/topic/2095/can-t-log-in-though-the-steam-app