Here are the detailed specifications for the iPhone 13 256GB:

• Display: 6.1-inch Super Retina XDR OLED display with a resolution of 2532 x 1170 pixels, HDR10, Dolby Vision, and True Tone technology.
• Processor: A15 Bionic chip with 6-core CPU, 4-core GPU, and 16-core Neural Engine.
• Storage: 256GB internal storage (non-expandable).
• RAM: 4GB RAM.
• Operating System: iOS 15 (upgradeable to the latest iOS versions).
• Rear Camera: Dual 12MP cameras with wide and ultra-wide lenses. Features include optical image stabilization, Night mode, Deep Fusion, Smart HDR 4, 4K video recording at up to 60fps, and Dolby Vision HDR recording.
• Front Camera: 12MP TrueDepth camera with Night mode, Deep Fusion, Smart HDR 4, and 4K video recording at up to 60fps.
• Biometric Security: Face ID facial recognition for secure authentication.
• Connectivity: 5G, Gigabit LTE, Wi-Fi 6 (802.11ax), Bluetooth 5.0, NFC with reader mode.
• Battery: Built-in rechargeable lithium-ion battery with up to 75 hours of audio playback, up to 22 hours of talk time, and up to 15 hours of video playback.
• Charging: Supports MagSafe wireless charging up to 15W, Qi wireless charging up to 7.5W, and fast charging with a 20W adapter (sold separately) for up to 50% charge in around 30 minutes.
• Dimensions: 146.7mm x 71.5mm x 7.65mm.
• Weight: 174 grams.
• Other Features: Water and dust resistance (IP68), Ceramic Shield front cover, Dual SIM (nano-SIM and eSIM), stereo speakers, spatial audio, FaceTime HD audio with Spatial Audio, Dolby Atmos, and more.