Device Description:The Samsung Galaxy S21 Ultra 5G Dual SIM has 6.8? infinity-O display with 2X dynamic AMOLED, eye comfort shield and super smooth 120Hz display. The Corning Gorilla Glass is designed to scratch less and protect both front and back and makes it the toughest glass on a Samsung smartphone. Body:Samsung Galaxy S21 Ultra 5G has a beautifully constructed body with dimensions of 165.1 x 75.6 x 8.9 mm. It supports Dual SIM (Nano-SIM and/or e - SIM, dual stand-by). Plastic back weighs about 227 grams with the aluminum frame. The device is IP68 dust/water resistant (up to 1.5m for 30 mins). Display:The display system has a 6.8 inches Dynamic AMOLED capacitive touchscreen, which supports millions colors depth. You can almost not feel the bezels with an 89.8% screen-to-body ratio. There is 1440 x 3200 pixels resolution on the display system with an aspect ratio of 20:9. You will enjoy the 515 PPI density. - Samsung Galaxy S21 Ultra has a Corning Gorilla Glass Victus. Samsung advertises 1500 nits max brightness and Wide color gamut. 120Hz touch-sensing with a Dolby Vision and HDR10+ support makes a great display feature. - Platform:Samsung Galaxy S21 Ultra operates on an Android 11, One UI 3.1. Exynos 2100 (5 nm) chipset and Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) CPU go well with Mali-G78 MP14 GPU. You will get 128/256/512GB of UFS 3.1 storage with 12/16GB RAM for your files and applications. The internal storage is not expandable with a dedicated card slot. - Camera:Samsung Galaxy S21 Ultra 5G has a quad-camera system that includes 10 MP telephoto, 12 MP ultrawide, 10MP periscope telephoto, and 108 MP wide cameras. You can shoot up to 8K videos up to 24fps with the rear camera system. The videos will get gyro-EIS and stereo support in the sound records. You also get a 40 MP on the front camera with HDR support. The camera can shoot up to 4K videos at 60fps. - Battery & Sound:Samsung Galaxy S21 Ultra 5G has a Non-removable Li-Po 5000 m - Ah battery. The battery system supports Fast charging 25W. It also supports Fast Qi/PMA wireless charging 15W, and Reverse wireless charging 4.5W.There are loudspeakers on the phone but do have stereo support. You get high-quality sound [32-bit/384k - Hz audio] output but do not get a 3.5 mm jack port for external sound devices. - Specifications: Network Band 5G: SA/NSA/Sub6/mm - Wave 4G: LTE Band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 3G Band HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 Recommended Networks Telstra/Voda Next - G 3G 850, Optus/Vodafone 3G, Telstra/Optus/Virgin/ii - Net 4G, LTE, Optus/Vodafone/Telstra 5G SIM Card Type Nano-SIM and/or e - SIM, dual stand-by Handset Branding (Logo) None/Not Recorded 3G Yes 4G LTE Compatible Yes 5G Compatible Yes Form Factor Bar, Phablet, Touchscreen Height 165.1 mm Width 75.6 mm Thickness 8.9 mm Weight 227 g Screen Size (Diagonal) 6.8 inches Screen Resolution 1400 x 3200 pixels Screen Technology AMOLED Touchscreen Type Capacitive Input Type Touchscreen QWERTY Landscape, Touchscreen QWERTY Portrait Ringtone Type MP3 CPU Exynos 2100 (5 nm) Internal Memory 128GB Storage, 12GB RAM Expandable Memory No Camera 108 MP, f/1.8, 26mm (wide), 1/1.33", 0.8μm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22μm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22μm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4μm, dual pixel PDAF, Super Steady video Camera Flash Yes Secondary Camera 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7μm, PDAF OS Android 11 or above Messaging Email, Instant Messaging, MMS, SMS Bluetooth Yes NFC Yes Speakerphone Yes Wi - Fi Yes GPS Hardware Yes Battery Capacity (m - Ah) Non-removable Li-Ion 5000 m - Ah battery