How do I go back to xiaomi.eu rom.


I am on derpfest for the Mi 9. How do I install xiaomi.eu again?
Best a secure way is to refresh a fastboot rom via Miflash tool and then turn back to EU rom following given instruction steps at download rom first page.
 
I've switched roms a few times, just wipe cache, dalvik, data, internal, system, vendor.. All twice, format data, reboot to recovery, flash new rom

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I am on derpfest for the Mi 9. How do I install xiaomi.eu again?
Follow the same steps you took to install Derpfest,

Download MIUI.eu ROM,
Wipe Dalvik, Cache, System, Vendor, Data
Install New ROM
Enjoy!

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