Welcome! It looks like you have great curl potential. Rather than focusing on curl pattern, work on learning your hair's other properties like texture and porosity because this information will be much more useful in finding the right product. The only thing curl pattern matters for is actual styles and cuts. I wouldn't be able to tell properties from your pictures, but based on you mentioning chronic flat iron use I would guess high porosity. You might want to experiment with protein to help with some of the damage, with the understanding that some damage is not reversible. But if you focus on being gentle with your hair, it will grow in beautifully.

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3a/f/iii
Modified CG since 11/5/11
CLEANSE: VO5 Vanilla Mint Tea Clarifying, DevaCare No-Poo, CHS Treatment Shampoo
RO: DevaCare One Condition, SS Caitlin's Conditioner, Mop Top Daily Conditioner
LI: SS Repairing Protein Treatment, CHS Silk Leave-In
STYLE: Re:Coil, Curl Keeper, Deva Ultra Defining Gel, Curls Rock Amplifier and Strong Hold Mousse, Sweet Curls Elixirs Okra Gel and Hard Hold Gel, SS Curl Enhancing Jelly and Firm Hold Gel