unlocked flip phones

Storage across the listed models ranges from 8 GB to 512 GB. System RAM varies by model, from about 1 GB up to 12 GB.

Main (internal) displays on the foldable models are typically around 6.7–6.9 inches. Cover/external displays range from small notification screens up to an expanded ~4.1-inch interactive cover on some models; one classic flip lists dual 2.8" internal and external screens.

Foldable models tend to be taller, with heights around 6.3–7.0 inches, widths near 3.11 inches, and weights about 0.45–0.5 lb. A classic compact flip is listed at about 4.34 × 2.24 × 0.79 inches and weighs roughly 5.47 oz. Exact dimensions and weight depend on the specific model.

Some foldable models list IP68 water resistance. One listing shows IP48, and a few entries (including certain refurbished or classic models) are listed as IP00 or do not provide an IP rating. Ratings vary by model and listing.

Rear cameras commonly list 50 MP or 12 MP sensors. Front cameras are often around 10–12 MP, while some classic flip models list no front camera. Video recording capabilities in the listings range from 720p up to 8K.

Listed operating systems include Android and AOSP. Cellular support entries cover 5G on newer foldables and 4G/4G LTE and 3G on other models; specific frequency bands vary by device.

Wired charging entries show USB-C. Several foldable listings note about a 4,300 mAh battery with wired fast charging and some mention wireless charging and reverse wireless power share; one classic flip lists a 2,000 mAh battery with USB-C charging. Exact features depend on the model.

Processor clock speeds listed range from about 2.75 GHz up to 3.39 GHz. Product entries also include specific processor model strings in the 'Processor model' field.