Duma OS Not loggin in after downgrade

[witton90]

i have downgraded from duma os to the R1 old firmware and i think it maybe bricked, when i click to login into router it asks for my username and password and looks like its trying to login to duma os, when i put admin then password it just doesnet log in just goes blank, anybody could help would be great, yhis is the second time this router has done this!!!!!!

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[Netduma Fraser]

Clear your browser cache/cookies, then try to access the interface again, does that resolve it?