Are you wondering about Settings > General > About > Model? e.g. mine is MNAJ2LL/A. Then Google that or search on this site: iPhone 7 (Verizon/Sprint/China/A1660) 32, 128, 256 GB Specs (iPhone 7, A1660, MNAD2LL/A*, 3091*, iPh...
To mama23dogs' point the brand is Apple which is printed on the back of your iPhone device.
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