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The micro-scratches accumulating on your Galaxy S26 Ultra's frame are not from drops. They are from the pocket you've been trusting every day. Samsung switched the S26 Ultra from Grade 4 titanium — the alloy the S25 Ultra used, rated at 6 on the Mohs hardness scale — back to aluminum. They've called it "Armor Aluminum," but marketing language does not change material science. Aluminum rates 2.5 to 3 on the Mohs scale. Quartz particles found in ordinary pocket dust and fabric debris rate 7. That gap — 2.5 versus 7 — is not a product flaw. It is physics operating exactly as it should. Every time the phone enters or exits a pocket, micro-abrasives harder than the frame are abrading the anodized finish. This is what the Mohs hardness gap means in practice: the S25 Ultra's titanium frame could resist keys. The S26 Ultra's aluminum frame cannot resist pocket lint. The mechanism compounds. Anodization — the thin oxide layer producing the phone's Titanium, Cobalt Violet, and Phantom Black finishes — is only 5 to 25 microns thick. A single human hair is 70 to 100 microns. Once that layer is compromised, skin oil and perspiration transferred during normal handling begin penetrating exposed aluminum within 24 hours. Microscopic corrosion is detectable within a week. Visible discoloration follows within weeks to months depending on carry habits. The damage is permanent and irreversible — unlike paint, scratched anodization cannot be touched up. The price of the S26 Ultra stayed at ₱86,990. The frame's scratch resistance dropped by 60%. Tech Report PH documented this in an independent aluminum corrosion study. The full findings — including Mohs comparison data, anodization cross-section imaging, and the specific case construction that interrupts frame-to-pocket contact — are published at the link below. If the S26 Ultra in your pocket already has frame marks you cannot attribute to a specific incident, hold it up to natural light at an angle. What you're seeing is not random. It has been accumulating since the day you unboxed it.