How to Flash Fastboot ROM on OnePlus 15

In this guide, we will show you the steps to flash the Fastboot ROM on your OnePlus 15. But is there a need to manually flash the firmware when OnePlus already rolls them out in the form of OTAs? Well, there are quite a few benefits associated with this, and in some cases, Fastboot ROM would be your only way to flash the firmware; OTA will just not work. So, on that note, let’s first have a look at the benefits and the use case of this ROM, after which we will list out the download links and flashing instructions as well. Follow along.

  • Why Use a Fastboot ROM? Unbrick Device Go From Custom to Stock Change Region Downgrade OS Root Device Fix Partitions
  • Download OnePlus 15 Fastboot ROM Global EU India
  • How to Flash Fastboot ROM on OnePlus 15

Why Use a Fastboot ROM?

oneplus 15 fastboot rom - 1

There are quite a few reasons why you would want to flash a Fastboot ROM on your device. Let’s make you aware of some of the noteworthy ones.

Unbrick Device

Go From Custom to Stock

If you are currently on a custom ROM, then you can easily go back to stock by flashing the Fastboot ROM.

Change Region

Downgrade OS

If you wish to downgrade to an older OS, then that could easily be done, simply by flashing the Fastboot ROM of that OS version.

Root Device

Fix Partitions

If any of the device’s partitions is corrupted, then you can easily fix it by extracting that partition from the Fastboot ROM and flashing it.

Download OnePlus 15 Fastboot ROM

You may get the Fastboot ROM for your device and region from below: [Credits: XDA Senior Member koaaN]

Global

DOWNLOAD LINK

EU

DOWNLOAD LINK

India

DOWNLOAD LINK

How to Flash Fastboot ROM on OnePlus 15

Before starting, please take a complete device backup. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.

  1. Download and extract Android SDK Platform Tools on your PC.
  2. Then enable USB Debugging & OEM Unlocking on your device.
  3. Now unlock the bootloader on your device and connect it to PC.
  4. Then open Command Prompt inside platform-tools and type in: adb reboot bootloader
  5. Type in the below command and verify the Fastboot connection: fastboot devices
  6. If you are not getting any serial ID, then install Fastboot Drivers .
  7. Now extract Fastboot ROM ZIP and launch Regional_Flasher.bat.
  8. A few files will be flashed in Fastboot after which the device will boot to the FastbootD Mode.
  9. Select the English language on your device and then hit any key to proceed with the flashing.
  10. Once done, the script will now ask if you want to format data; select YES [it’s compulsory].
  11. So, do the factory reset from the FastbootD screen on your device.
  12. Once done, the device will automatically boot to the OS.
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