Q1: CoolHyper claims a 2–3°C core temperature drop—is that a measured benefit or a spec-sheet number?
The 2–3°C figure comes from AULUMU’s own product claims, not an independently certified benchmark. The architectural case for it is more concrete than the number: the A18 Hyper Frosted enlarges the silicone thermal pad and repositions the cooling zone closer to the CPU than earlier CoolHyper implementations, shortening the heat path from chip to pad to aluminum heat sink to honeycomb vents. The thermochromic strip functions as a live readout—red around normal range, shifting toward orange and yellow as the phone warms—so you can see whether cooling is keeping pace during a gaming session or a long 4K recording, without opening a monitoring app. Treat the 2–3°C as a design target under sustained load, not a guarantee for every use pattern. For light users the effect will be marginal; for heavy sustained-load users, the relocated thermal pathway is the meaningful upgrade over a standard TPU shell that simply traps heat.
Q2: What drop protection does the Hyper Frosted actually carry, and how does it compare to the A18 Armor?
The protection story here is everyday impact management, and the published numbers diverge by source. One authorized retailer lists 1.5 m drop protection with a 0.9 mm raised camera lip and a 1.2 mm raised screen edge. AULUMU’s own product page, however, uses softer language—“raised edges around the screen and camera” for “everyday impact protection”—and does not publish a certified drop height or MIL-STD rating for this model. A regional listing goes further, stating explicitly that no specific drop-test height or military standard is recorded in the official product documents. The honest comparison: the A18 Armor is the lineup’s drop-rated model, built around a 2 m design target with a 1.36 mm screen lip and 1.3 mm camera frame. The Hyper Frosted’s full-wrap TPU, aluminum camera bezel, and dual-raised geometry handle scratches, surface contact, and low-height knocks competently—but it is not the Armor’s structural peer for repeated pavement drops. Buy it for cooling and frosted aesthetics with competent daily protection, not as a rugged substitute.
Q3: Does the glow-in-the-dark feature last, and will the frosted surface stay clean over time?
The glow effect is produced by dual-sided IML (in-mold labeling), which embeds the luminous pattern beneath the surface rather than printing it on top—AULUMU states this shields the design from drops and scratches and that the patterns “never fade”. That construction is genuinely more durable than a surface-applied phosphorescent coating. The caveat is glow duration per charge: user reports on AULUMU’s earlier glow-in-the-dark TPU cases describe the effect fading after roughly 3–5 minutes in darkness, with some users finding it too dim to notice. The Hyper Frosted uses the same photoluminescent IML approach, so expect a soft functional accent that glows briefly after light exposure, not an all-night illumination. On daily wear, the frosted finish is designed as anti-fingerprint and grippy, and one early user reports the surface feels “non-sticky” to fingerprints so far. Translucent TPU can yellow over time regardless of finish quality, but the IML layer protects the graphic itself from peeling or scratching off—the aesthetic risk is surface discoloration, not pattern loss.