OnePlus 9 Color OS 12
OnePlus 9 Color OS 12 is a OnePlus firmware file listed under OnePlus, distributed as Color OS 12.C.10 with a download size of 4.2GB. It was published on June 16, 2026. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About OnePlus 9 Color OS 12
Sometimes a clean firmware install is the best fix for a misbehaving phone. For OnePlus 9 Color OS 12 owners, this page hosts the original OnePlus stock ROM and the key file details. Flashing the stock ROM can clear boot loops, failed updates, a frozen logo screen, or sluggish performance, replacing the system software with a known good copy. File Name: Color OS 12.C.10 File Size: 4.2GB Back up everything important first, keep the battery above the halfway mark, use a cable you trust, and make sure the right drivers are installed. Once installed, your OnePlus 9 Color OS 12 should boot up like new. Use the right file for your exact model and don't interrupt the process.
File Details
| File name | OnePlus 9 Color OS 12 |
|---|---|
| Package | Color OS 12.C.10 |
| Brand / Platform | OnePlus |
| Category | OnePlus |
| File size | 4.2GB |
| Date added | June 16, 2026 |
| Price | Free |
How to use this file
- Confirm OnePlus 9 Color OS 12 matches your exact device model and that it is intended for OnePlus hardware.
- Back up your personal data, as flashing firmware can erase the device.
- Download the file (4.2GB) using the button above.
- Use the appropriate flashing tool for your platform and follow the on-screen steps.
- Keep the device charged and connected until the process completes.
Frequently asked questions
Is OnePlus 9 Color OS 12 free to download?
Yes, OnePlus 9 Color OS 12 can be downloaded free of charge from this page.
How large is the download?
The OnePlus 9 Color OS 12 package is 4.2GB.
Which devices is this firmware for?
This file is intended for OnePlus devices. Always confirm it matches your specific model before flashing.