Tecno i3 and Tecno i3 Pro are very different. The main differences are as below:
01) Tecno i3 has 2GB RAM while Tecno i3 Pro has 3GB RAM.
02) Tecno i3 does not have fingerprint sensor while Tecno i3 Pro has fingerprint sensor.
Tecno i3 Pro has 16GB internal memory, which can be expanded up to 128GB with the help of MicroSD card.
Tecno i3 Pro weighs around 145 grams.
Yes, Tecno i3 Pro has 3.5 mm headphone jack slot.
Yes, Tecno i3 is a 4g mobile phone.