Asked ChatGPT for a list and got this: (the “UniHerz Jelly Max” and the “Qin3Ultra” look decent)

• Fonepia Q9 mini  – Display: ~4.0 inches (540p)  – Release: 2024  – Overview: A very pocketable device from a niche manufacturer, built for minimalists who value size over high‑end specs.

• Cubot KingKong mini 3  – Display: ~4.5 inches (480p)  – Release: 2024  – Overview: Engineered for durability and compactness, it fits easily in one hand or a small pocket.

• Doogee S mini  – Display: ~4.5 inches (480p)  – Release: 2024  – Overview: A rugged mini smartphone that offers the basics in a very small chassis.

• Blackview N6000  – Display: ~4.3 inches (540p)  – Release: 2024  – Overview: Known for its tough build, this phone packs essential smartphone functions into a tiny screen.

• 8849 Tank mini  – Display: ~4.3 inches (520p)  – Release: 2024  – Overview: Combines a robust (if no‑nonsense) design with an ultra‑compact form factor.

• Ulefone Mini 20T Pro  – Display: ~4.7 inches (720p, 90Hz)  – Release: 2024  – Note: This model offers a slightly larger screen and smoother performance; manufacturers in this segment are known to refresh their lines in early 2025, so a 2025 update is possible.

• Unihertz Jelly Max  – Display: ~5.0 inches (720p)  – Release: 2024  – Overview: Unihertz specializes in ultra‑compact designs, and while the Jelly Max launched in 2024, expect an updated version in 2025 as the brand continues to cater to fans of credit‑card‑sized smartphones.

• QIN 3 Ultra  – Display: ~5.0 inches (720p)  – Release: 2024  – Overview: A compact phone with modern features; there are indications that its series may see a refresh or an updated variant in 2025.

• NanoPhone  – Display: ~3.5 inches tall  – Release: Late 2024 (with promotional pricing and deals extending into early 2025)  – Overview: Marketed for minimalists and those wanting to reduce screen time, this ultra‑mini smartphone offers 4G and Wi‑Fi in a device that can literally fit in your wallet.