Type the following command to ensure your device is recognized: adb devices
If connected to a PC, type fastboot reboot . Important Safety Tips
OPPO-F1S-FB-2024-01 Subject: Mobile Device Firmware Engineering Target Device: OPPO F1s (Model Number: A1601) Date: October 2023 (Updated for legacy devices)
: Be cautious when in Fastboot Mode, as any incorrect commands executed via a PC can lead to data loss or a bricked device.