Match the method to the goal: If you want a bold photo across a flat back, 2D sublimation or UV printing is usually best. If you want a case that hugs every curve or has a tactile texture, 3D methods or hydrographics win.
Check coating and durability: For daily wear, a good clear coat or protective finish helps prevent chipping, fading, and wear on rims and edges.
Color accuracy matters: Digital prints can look different on various plastics. Request color proofs or swatches when possible.
Environmental and care notes: Some coatings are sensitive to solvents or heat; follow care instructions to extend print life.