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How to update the ONEXPLAYER F1 Pro BIOS firmware

How to update the ONEXPLAYER F1 Pro firmware
How to update the ONEXPLAYER F1 Pro firmware
Last updated: 30 July 2025
Estimated reading time: 3 min

A new BIOS firmware update for the ONEXPLAYER F1 Pro has been released. It fixes an issue with some devices automatically shutting down at at 30% battery,

PLEASE NOTE: There are two different firmwares; one for the 8840U and one for HX 365/370 models. Do NOT attempt to install the incorrect firmware version for your device. We have step by step guides for the different firmwares below.

For both devices please ensure the charger is connected at all times during the BIOS and EC firmware update process. Do NOT remove the charge cable.

ONEXPLAYER ONEXFLY F1 PRO 8840U Model

Due to the software updating the BIOS, your Anti-vrius may falsly identify files as being a virus. Please disable any anti-virus software as this may cause files to be quarantineed and potentially cause a failed BIOS or EC firmware update.

This firmware is for the ONEXPLAYER F1 Pro 8840U model. You can download the V1.05b-V0.25 BIOS and EC firmware here.

Extract the files to your PC, it should look similar to this

ONEXPLAYER ONEXFly 9940U BIOS update files
ONEXPLAYER ONEXFly 9940U BIOS update files

Right click on the 01_F1pro-8840U.bat file and choose Run as administrator. Choose Yes to any prompts.

ONEXPLAYER ONEXFLY F1 Pro BIOS Update
ONEXPLAYER ONEXFLY F1 Pro BIOS Update

A command prompt window will appear to notify of the progress. After a few moments the device will reboot.

ONEXPLAYER ONEXFLY F1 Pro BIOS Update Starting
ONEXPLAYER ONEXFLY F1 Pro BIOS Update Starting

The BIOS upgrade screen will display and inform you of the progress of the BIOS update. This process will take around 5 minutes.

ONEXPLAYER ONEXFLY F1 Pro BIOS Update In Progress
ONEXPLAYER ONEXFLY F1 Pro BIOS Update In Progress

One completed the device will restart and boot after a few moments. Do not switch off the device during this period. Let it boot to Windows. Once back into Windows, right click on the 02_EC.bat and select Run as administrator.

ONEXPLAYER ONEXFLY F1 Pro EC Update
ONEXPLAYER ONEXFLY F1 Pro EC Update

After a moment or two, Windows will reboot and enter the EC update process.

ONEXPLAYER ONEXFLY F1 Pro EC Update In Progress
ONEXPLAYER ONEXFLY F1 Pro EC Update In Progress

This process will take a few minutes to complete and show the progress of the update. Do NOT switch off the device during this process.

ONEXPLAYER ONEXFLY F1 Pro EC Update Completed
ONEXPLAYER ONEXFLY F1 Pro EC Update Completed

Once completed, the device will take a few moments to shutdown.

Press the Power button for a couple of seconds to switch it back on. It will now boot back in to Windows.

Once booted you will now need to perform 1-3 cycles of charging and discharging. Charge the device fully while it’s turned off, then turn it on, unplug the charger, and play a video or game to fully discharge the battery. Repeat for a second and third cycle. This is to ensure the battery is properly calibrated.

Once the power cycle is completed you can continue to use your device. Don’t forget to re-enabled your anti-virus software.

ONEXPLAYER ONEXFLY F1 PRO HX 365 & HX 370 Models

This firmware is for the ONEXPLAYER F1 Pro HX 365 and HX 370 models. You can download the v0.25 update from here.

Extract the files to your PC and copy all the contents to a freshly formatted FAT32 USB drive.

ONEXPLAYER F1 Pro firmware update files
ONEXPLAYER F1 Pro firmware update files

Ensure your ONEXPLAYER is charged and keep the charge cable connected to ensure there is no power failure during the update process.

Plug in your USB drive to the USB port on the top of the device. For ease of use we recommend connecting a keyboard to access and navigate the BIOS.

Power on the ONEXPLAYER F1 Pro and press the DEL key on the keyboard a few times until the BIOS Main menu appears.

ONEXPLAYER F1 Pro firmware update Main BIOS
ONEXPLAYER F1 Pro firmware update Main BIOS

Press the Left or Right keys to navigate to the Save & Exit menu. Scroll down to the Boot Override option and select the USB drive, it should be the second option. Press the Enter key to begin the update process.

ONEXPLAYER F1 Pro firmware update files Boot Override
ONEXPLAYER F1 Pro firmware update files Boot Override

The first stage will prepare the firmware update, it will pause for a short period, you can press a key other than ESC to continue or wait until the timer counts down.

ONEXPLAYER F1 Pro firmware update stage 1
ONEXPLAYER F1 Pro firmware update stage 1

The second stage will show some progress bars a few times.

ONEXPLAYER F1 Pro firmware update stage 2
ONEXPLAYER F1 Pro firmware update stage 2

Once completed the device will either power off or you will be prompted to power down.

Once powered off, disconnect the charge cable and switch back on the ONEXPLAYER F1 Pro.

After a few moments it will boot back into Windows. Restart Windows to update the EC firmware.

Once Windows has loaded, shutdown the device and connect the charge cable. The power LED will be orange to indicate charging, once the LED switches off, leave it charging for an additional 30 minutes.

After the 30 minutes, you can continue using your ONEXPLAYER F1 Pro

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