Looking for logging into the Xflag 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 Xflag site. After that you can login as usual with your login credentials.
https://accounts.xflag.com/signin/password?continue=https%3A%2F%2Faccounts.xflag.com%2Foauth2%2Fauth%3Fclient_id%3D473559630.monster-strike.apps.xflag.com%26code_challenge%3D4ZZXGe5-xkkSlq10D6qpz_jg5Jm8-47tXqYCJVxdBXs%26code_challenge_method%3DS256%26redirect_uri%3Dcom.xflag.apps.monster-strike.473559630%253A%252Foauth2redirect%26response_type%3Dcode%26scope%3Dopenid%26state%3DC31A3JrAz0ZCpOmwe-cnRp40tt9ruDciLxFhAmuU4nU&from_mobile_app=1
https://support-accounts.xflag.com/hc/zh-tw
https://accounts.xflag.com/preferences
https://www.monster-strike.com.tw/support/support_datalost.html
https://www.monster-strike.com.tw/help/qa_07_03.html
https://www.monster-strike.com.tw/news/20170317_01.html
https://www.reddit.com/r/MonsterStrike/comments/8xhib7/how_to_recover_xflag_account_id/
https://forum.gamer.com.tw/C.php?bsn=25052&snA=59792
https://www.beatport.com/release/x-flag/1814210
https://www.dal.net/news/shownews.php?id=154
https://books.google.com.hk/books?id=u7ZVYFu50hkC&pg=PA681&lpg=PA681&dq=xflag+login
https://mtouch.facebook.com/VansWarpedJP/photos/?ref=page_internal&mt_nav=0
http://mstrikegundam.blogspot.com/2017/02/jp-backing-up-and-recovering-data.html