ethani149 Posted October 7, 2018 Share Posted October 7, 2018 hello, I am trying to downgrade my ninebot mini pro firmware but when I try to login to the app version 3.5.1 and 3.4.1 it just comes up with login errors Link to comment Share on other sites More sharing options...
FreeRide Posted October 7, 2018 Share Posted October 7, 2018 Yup. I don’t think you can login with these Apps any more. One day they just stopped working and everyone was forced to update and sign in all over again their web service. It was a pain in the butt, their servers were down a few days at the time depending on region. Sorry to say, I don’t thing you’ll be able to do that any more. Maybe someone here has a work around, but I believe now you’ll need to connect a hardware chip programming device and find some special software from Russia to downgrade firmware. Link to comment Share on other sites More sharing options...
zugu Posted October 7, 2018 Share Posted October 7, 2018 Exactly... at now only J-Tag hardware method can work.... Link to comment Share on other sites More sharing options...
trevmar Posted October 7, 2018 Share Posted October 7, 2018 The latest v4 of the Android app does work fine with 1.1.7 and 1.1.9 firmware, you just have to ignore any messages it gives you about upgrade :) Link to comment Share on other sites More sharing options...
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