From what I've gathered (and experienced), it's almost impossible to positively identify a fig tree without:
- A picture of the inside and outside of mature fruit (with something nearby for size reference... NOTE: fruit shape/size/color can change with maturity and between the 1st and 2nd crop of the year, if breba crop is present)
- Pictures of the predominant leaf shape all over the tree (also with size reference... NOTE: leaf size/shape can change with maturity)
- Additional details about the habit of the tree, like the size of the eye on the fruit, etc. are really helpful also.