No. Gionee A1 Plus does not support CDMA network.
Gionee A1 Plus has dual sim card slot of different size. You can use one micro sized sim card and another nano size sim card in this phone.
Yes, Gionee A1 Plus does have a fingerprint sensor.
No. Gionee A1 Plus video recording is restricted to 1080p resolution. You can record Full HD videos but you cannot record 4k videos.