Mi9 China Developer ROM 9.5.1

Mi 9 (CEPHEUS) Android 9 (Pie) – Mi9 China Developer 9.5.1 released!

How to update MIUI on Xiaomi devices?

Why my battery drains after update?

Upgrade Developer ROM from Stable ROM without unlocking the bootloader!


Recovery (2.6 GB):

OTA (473 MB.):

Fastboot (3.29 GB.):

How to remove Xiaomi MIUI system ads?

Change Log:


  • Optimized system performance
  • Improved system security and stability


Improved persistent lockscreen feature with an ability to show notifications details after verifying the face data. Until now, it was limited to either show full information or wrap the whole content. The new modification will allow the users to get notification details quickly.

Lockscreen clock customization settings surfaced with the latest build of MIUI. Users can easily customize the clock orientation among centered, left aligned and vertical positions. It brings design changes to the clock UI.

Features like Home screen swipe gestures and Kid space are also coming soon to the MIUI.

Under gesture controls, users would be able to perform different activities like expanding the notification bar, opening an app or turning off the display.

Child Mode is making a comeback on MIUI after a long time, reveals a patch of extracted code. The users or parents can select the child profile to limit the apps’ usage. There might be some new modifications in the upcoming so-called Kid space aka Child mode for sure.

Guide: Xiaomi Mi9 Google Camera (GCam) installation without root

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