Why don’t I see any lights when I plug the charger into the Grabba?

Firstly ensure the wall charger is plugged into a functioning power socket and the charge connector is properly connected into the Grabba. If so leave the Grabba on charge and wait for up to 2 hours. If the Orange charge light comes on during this period then the Grabba must have been extremely flat and [...]

How do I revert to an older firmware?

Android - You can only do so on Android. Download a previous driver, connect Grabba to phone and firmware downgrade would take place. iOS - No firmware downgrade can happen on IOS devices. On IOS devices only firmware upgrades are allowed.

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