BubblesPixoo64 acrylic or glass screen will not have any bubbles. Any bubbles are caused by the second layer of film on the screen, you can tear off the second layer of protective film yourself.2. Chromatic aberrationWhen the LEDs of Pixoo64 are of the same color in the full screen, some LEDs will have color cast problems.3. Blue tintThere is a certain color difference between the screen of the mobile phone and our LED. The white displayed on the screen of the mobile phone will appear bluish in a cool color under the interpretation of the LED.And it is recommended that you use highlight mode + color temperature adjustment (in device settings)4. Insufficient brightnessCompared to other products (especially the PixooMax), the Pixoo-64 is not bright enough.Pixoo64 is mainly used indoors, especially for anchors to show in low light environments. If the brightness is too high, it will be exposed under the lens.5. LED problemPlease adjust Pixoo64 to full screen "red/green/blue", if any of the three colors of the LED cannot be displayed normally, please contact Divoom staff