If you own the Poco M2, visit the software update section under Settings menu and look for MIUI 12.0.1.0.QJRINXM. Poco has already released the MIUI 12 update of the X2, M2 Pro and F1
Poco is rolling out MIUI 12 update quietly to Poco M2 users along with the December 2020 security patch. Poco is yet to make it official but if you own the Poco M2, visit the software update section under Settings menu and look for MIUI 12.0.1.0. QJRINXM. Poco has already released the MIUI 12 update of the X2, M2 Pro and F1 and it was just about time that the Poco M2 also got the MIUI 12 update.
