Q1. Does it have wide option like in gopro?
A1：It has. In YI 4K its named “ultra”
Q2. What about language options?
A2: International version will be English, Chinese version only with Chinese.
Q3. What photo modes are there? can you change shutter speed and iso manually?
A3: Photo, Timer and Burst mode. Those are all can be adjusted manually: Metering mode, shutter, ISO, EV, etc
Q4. What are the dimensions? And weight?
A4: 65mm (L) x 42mm (H) x 21 mm (W); 95 gram with battery.
Q5. Battery is removable?
Q6. Does it have gyro stabilizer?
A6: Yes, 6 axis gyro
Q7. What bitrate that 4k is recorded? Don’t want to buy an SD card that is underpowered. I saw in the camera specs that 64gb max SD but nothing about the transfer rate requirements.
A7: 60mbps the same as gopro
Q8. Remote from the old camera is compatible?
A8: Yes, it’s compatible
Q9. Does the 1080 120fps and 720 240fps able to record audio?
A9: Both can record audio
Q10. How many physical buttons are there?
A10: Just one button
Q11. AV out support?
A11: Yes, supported
Q12. Can it operates(taking pictures/video) without pairing with phone?
A12: Yes, of course
Q13. What about the WiFi?
A13: 2.4G and 5G
Q14. Will the field of view change if you change the resolution? like the gopro which has a larger view when set to 4k compared to 1080
Q15. Can you tell me if the timelapse video function will make a 4K/30fps video file?
A15：It will function in 4K 30fps and 2.5K 30fps
Q16. Can you give an information about ports in this camera? On the right side it has something as a cap. Can you answer please, what is under it?
A16: It’s USB port support AV out and battery charging
Q17. Is there a selection of other Wide Angle degree to choose aside from 155 degree wide angle, 170 degree ,190 or 200?
A17: It doesnt
Q18. Please check the 720P 240fps The video out put is 240fps ( Gopro ) or slower 1/8 ( 30fps and NO SOUND ) ??
A18: When recording in 240fps it has sound
Q19. Does the camera have infinity focus? Will all Yi2’s have the IR filter as standard?
A19: It’s already infinity focusing; all YI 4K action cam will have IR filter which coating on the lens
Q20. Is it possible to use touch screen, when camera is in waterproof box?
A20: Its not possible, but you can do all the essentials with waterproof case on
Q21: If there is a 4:3 resolution for video?
A21: 2.5K 1440p 960p video is 4:3 resolution
Q22: How to update firmware of YI 4K Action Camera by SD card?
A22: Check it here.