Method 1: Local Upgrade (Official Firmware Upgrade)
This method is ideal for upgrading or reinstalling OxygenOS while keeping your data intact. It’s straightforward and does not require advanced tools.
- Download the Correct Firmware:
- page and locate the firmware specific to your OnePlus model and region.
- Download the ZIP file of the latest OxygenOS version you want to flash.
- Move Firmware to Phone Storage:
- Copy the downloaded firmware to the root directory of your phone’s internal storage (not inside any folder).
- Start Local Upgrade Process:
- Go to Settings > System > System Updates.
- Tap on the Gear Icon (⚙️) in the top-right corner, then select Local Upgrade.
- Choose the firmware you copied to your storage, then confirm to begin installation.
- Wait for Installation:
- Your phone will verify and install the firmware automatically. Once done, it will reboot with the new OS version.
Method 2: MSM Download Tool (for Unbricking or Full Flash)
The MSM Download Tool is used for more severe cases, such as if the device is bricked or stuck in a boot loop. This method requires a Windows PC.
- Download MSM Download Tool:
- Look for the official MSM Download Tool compatible with your OnePlus device model (specific versions are released per model). You can find it on OnePlus forums or support pages.
- **Install Qualcomm USB Drivers
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