Which version is it?

AIR³ 7.35+:

• Front buttons
• Orange marking on the buttons, orange power button
• “+” sign visible next to the power button

AIR³ 7.35:

• Front buttons
• Orange marking on the buttons, orange power button
• No “+” sign

AIR³ 7.3 +:

• Front buttons
• White marking on the buttons, red power button
• External antenna or internal antenna with “+” sign

AIR³ 7.3:

• Front buttons
• White marking on the buttons, red power button
• No external antenna, no “+” sign

AIR³ 7.2:

• Side buttons