When watching VAVA 4K, some users find out that its keystone adjustments is not working. No matter how they select a corner and press the directional arrows, the keytone image keep the same and nothing happens. No movement of any selected point no matter how many times you push a directional key. How to solve this issue? Check the solutions bellow.
Please try performing a factory reset by going to Settings> General> Factory Reset.
Once the projector is reset, please make sure that the projector has the latest firmware.
This can be done by going to Settings>General>Update version. Please update the projector if it is not up to date.
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