The Samsung Galaxy S25 Ultra is a 2025 Android 15, up to 7 major Android upgrades, One UI 8 smartphone powered by the Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) with 12GB | 16GB and 1TB | 256GB | 512GB internal storage. It features a 6.9", Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak), 1440.0x3120.0 display and is available in Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold.

The Galaxy S25 Ultra is equipped with a Li-Ion 5000 mAh, a 200 MP, 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS main camera, a 12 MP, 4K@30/60fps, 1080p@30fps front camera. The device uses a · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT · Nano-SIM + eSIM + eSIM (max 2 at a time) - USA · Nano-SIM + Nano-SIM - CN configuration. It weighs 218 g.

A bootloop on the Samsung Galaxy S25 Ultra occurs when the device repeatedly restarts without fully loading Android. This is commonly caused by a failed software update, corrupted system files, or an incompatible app. Most bootloops can be resolved without losing data by clearing the cache partition first before attempting a factory reset.

Factory reset may be needed as a last resort — erases all data.