Manually copy your screenshots and screen recordings to a computer.
If the Pico logo flashes indefinitely, boot back into the Recovery Menu using the physical buttons and perform the Wipe data/factory reset step again.
Turn off your Pico 4 completely by holding the power button and selecting "Power Off".
9 times out of 10, you will see "Installation aborted: older version not allowed." This method no longer works for free downgrades on modern hardware. Do not waste your time.
Interrupting the installation can cause your headset to get stuck in a boot loop.