Back Cover
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4 Answers 4 Score |
Loses Cell Signal After Screen replacement |
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6 Answers 2 Score |
I dropped my phone in my pool |
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1 Answer 0 Score |
Why do I see 2 sides of the back of the phone slowly coming off |
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1 Answer 2 Score |
S21 ultra, yellow screen |
Parts
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Models
SM-G998B (International), SM-G998U (USA AT&T), Ultra SM-G9980 (China), Ultra SM-G998B/DS (Dual-SIM International), Ultra SM-G998N (South Korea), Ultra SM-G998U (USA), Ultra SM-G998U1 (USA Unlocked), Ultra SM-G998W (Canada)
Background and Identification
The Galaxy S21 Ultra is Samsung’s 2021 flagship smartphone and was announced at Samsung’s Galaxy Unpacked event on January 14th, 2021, alongside two other Galaxy Phones and a new pair of Galaxy Buds. Featuring an upgraded fingerprint sensor, 5G capability, up to 16 GB of RAM, up to 512 GB of onboard storage, and a 120 Hz 6.8” display, the S21 Ultra keeps last year’s IP68 rating and 5,000 mAh battery capacity. US models get a Snapdragon 888, while international models get an Exynos 2100.
The Galaxy S21 Ultra starts at $1199 and is available in Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, or Phantom Brown depending on region and carrier.
Technical Specifications
- CPU: Qualcomm Snapdragon 888 (octa-core processor with one 2.84 GHz core, three 2.42 GHz cores, and four 1.80 GHz cores) or Samsung Exynos 2100 (octa-core with one Cortex-X1 core, three Cortex-A78 cores, and four Cortex-A55 cores)
- Memory: 12/16 GB LPDDR5 RAM
- Storage: 128/256/512 GB internal memory
- Display
- 6.8 inch curved panel
- 3200 x 1440 pixels (515 ppi)
- QUAD HD+ Dynamic AMOLED 2X
- Infinity-O LTPO VRR display up to 120Hz
- HDR10+ Certified
- Cameras
- Main Camera: Four-lens camera with a 12 MP ƒ/2.2 13mm ultra-wide lens, a 108 MP ƒ/1.8 24mm wide-angle lens, a 10 MP ƒ/2.4 70mm telephoto lens with 3x optical zoom, and a 10 MP ƒ/4.9 240mm periscope telephoto lens with 10x optical zoom
- Front-facing Camera: 40 MP 26mm wide lens with ƒ/2.2 aperture
- Ports and Connectivity
- Wi-Fi 802.11 a/b/g/n/ac/ax (2.4/5/6GHz), HE160, MIMO
- 5G NSA, SA, Sub-6 / mmWave, LTE 4x4 MIMO
- Bluetooth v5.2
- ANT+, NFC, and GPS
- USB Type-C 3.2
- Ultra Wide Band
- Battery:
- 5,000 mAh (typical) integrated li-ion battery
- USB PD 3.0 (PPS) certified 25W Fast Charging
- Wireless PowerShare
- Dimensions
- Size: 165.1 x 75.6 x 8.8 mm (6.5 x 2.98 x 0.35 in)
- Weight: 229 g (8.01 oz) (mmWave)
- Additional Features
- IP68 water/dust resistance rating (1.5 meters underwater up to 30 minutes)
- Stylus support
- Speakers by AKG
- Ultrasonic fingerprint sensor
- Laser AF
