How do I fully reset it?

Re-image the microSD/TF with a fresh stock image (e.g. plumOS). There is no separate hidden factory wipe.

Will reset erase saves?

A forced power-off keeps saves. Re-imaging the card erases it, so back up saves first.

GKD Bubble — Reset

Quick answer

Button combo

Hold POWER(force off)·in-OS reset·re-image microSD/TF(factory restore)

Steps

1For a hang, hold POWER about 8-10 seconds to force off, then press POWER to reboot.
2Use the stock OS's reset/restore options for settings where available.
3For a clean restore, re-image the microSD/TF with a fresh GKD Bubble image via balenaEtcher.
4Back up ROMs/saves first, since re-imaging overwrites the card.
5Insert and power on to start fresh.

Last verified: 2026-06-20Source: game-kiddy.com

The RK3566 GKD Bubble keeps its OS on the microSD/TF card, so a true factory reset is re-imaging that card. For everyday freezes, a forced power-off with POWER is enough and preserves your data.

FAQ

How do I fully reset it?: Re-image the microSD/TF with a fresh stock image (e.g. plumOS). There is no separate hidden factory wipe.
Will reset erase saves?: A forced power-off keeps saves. Re-imaging the card erases it, so back up saves first.

GKD Bubble — Reset

Button combo

Steps

FAQ

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