Fingerprint sensor on Tecno i3 Pro is located on the front of the phone. Home button doubles as a fingerprint sensor.
Tecno i3 Pro has dimensions of 142.75 x 70.5 x 7.9 mm
No. Tecno i3 Pro do not have Gorilla glass protection.
Yes, Tecno i3 Pro has 3.5 mm headphone jack slot.