Cracked screen
The Galaxy S26 Ultra has an AMOLED display, and this is where the trade cuts corners. Plenty of shops fit Samsung phones with cheap "incell" or TFT LCD copies of the screen: they work, but blacks look grey, colours wash out, the fingerprint reader under the screen usually stops working, and battery life suffers. We tell you exactly which panel we are quoting for before you agree to anything. The S Pen writes through a digitiser layer in the display, so a replacement panel has to include it or the pen stops working.