GUIDE

Here You have to follow the steps EXACTLY

OnePlus 15

Before You Start (Prerequisites)

Step 1: Boot Phone into Fastboot Mode

  1. Reboot your device into fastboot with: adb reboot bootloader
  2. Verify your device is detected: fastboot devices
  3. If detected, boot into OrangeFox Recovery: fastboot boot orangefox.img

Sideload ROM

  1. Go to recovery: adb reboot recovery
  2. Format data in recovery menu
  3. Select ADB sideload from recovery
  4. Transfer ROM: adb sideload rom.zip
  5. Note: If transfer stops at 47%, this is normal