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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