How to Switch install Oneplus 9 Pro ColorOS to OxygenOS

As we all know, OnePlus 9 series phones switch to ColorOS from HydrogenOS in China, so how to switch install Oneplus 9 Pro from ColorOS to OxygenOS, Gizmoweek post a how to guide without unlocking the bootloader, support official OTA update.

Please keep battery life of OnePlus 9 Pro phones above 60% before starting install the phones, backup personal data.

1, Download downgrade zip file, OnePlus 9 Pro download link https://dubox.com/s/10afc-KlIha3-XYba92Uasw (Password e222 ) , OnePlus 9 download link: https://dubox.com/s/1nFEumPjIAy72JNRmM5lolg (Password qywr).

2, Download complete and copy to phones, tap the OnePlus 9 Pro : “Settings” > “Software update” > “Settings (top right corner Gear icon)” > “Select installation package” > Select the intell ROM file > tap “Install now”

3, Please waiting loading and reading file package to 100%, tap restart and update the phone automatic from ColorOS to OxygenOS.

EDIT’S PICK : How to buy OnePlus Phones in Australia

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Tony Leehttps://www.gizmoweek.com/
A geek fans #geek review #smartphones like new China tech company the xiaomi, oneplus, huawei.

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