The Chinese variants of the OnePlus 9 Series run the HydrogenOS whereas all the other region devices come with the popular OxygenOS.
However, with these latest flagships, things have taken a radical turn as these devices in China now running the Oppo’s ColorOS skin instead of the HydrogenOS.
As expected, this has provoked quite a few users. Well, the good news is that you could easily switch to the OxygenOS skin from ColorOS on OnePlus 9 and 9 Pro.
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Therefore we will show you the steps to switch from ColorOS to OxygenOS on the OnePlus 9 and 9 Pro devices without unlocking the bootloader.
OnePlus 9 / 9 Pro: Switch From ColorOS to OxygenOS Without Bootloader Unlock
Before starting off with the instructions, there are a couple of important points worthy of your attention. These have been mentioned under the below-requirements section, do go through them.
Prerequisites
- To begin with, take a complete device backup. This is because the below process will wipe off all the data from your device.
- Moreover, this switch will be carried out via the Downgrade firmware. So make sure to download the correct Downgrade package.
- Once you have downloaded the downgrade firmware, transfer it to your device’s Internal Storage.
That’s it, these were all the requirements. You may now proceed with the steps to switch from ColorOS to OxygenOS on OnePlus 9 and 9 Pro.
Switch From ColorOS to OxygenOS
- Head over to the Settings page on your device.
- Then go to System and scroll to the Software Updates section
- Tap on the gear icon situated at the top right and choose the Select installation package option.
- If you cannot access this option, then it’s because there are pending updates available. So consider either downloading and installing this update or cancel it altogether.
- If you are planning to cancel it, then go to Settings > App management and select App list.
- Then tap on the overflow icon situated at the top right and select Show System. This shall bring up a list of all the system apps.
- Scroll to the Software Update app and go to its Storage usage section. Tap Clear Data > OK and then turn off your internet.
- Anyways, once you have dealt with the pending update, the ‘Select installation package’ option should now be accessible.
- So select the downgrade firmware that you had earlier downloaded and hit the Install Now button.
- Wait for the process to complete. Once done, you will be notified to restart your device.
- Do so and your device will now boot with the newly installed OS skin.
So these were the steps to switch from ColorOS to OxygenOS on OnePlus 9 and 9 Pro.
