Samsung Galaxy S21 5G AT&T SM-G991UZAAATT Guide

Samsung Galaxy S21 5G AT&T SM-G991UZAAATT Phone manual cover
Pages 2
Year 2021
Language(s)
English en

Samsung Galaxy S21 5G AT&T SM-G991UZAAATT Phone Specification

The Samsung Galaxy S21 5G AT&T SM-G991UZAAATT is a high-performance smartphone designed to leverage cutting-edge technology for a seamless user experience. This device features a 6.2-inch Dynamic AMOLED 2X display with a resolution of 2400 x 1080 pixels, offering vivid colors and sharp contrast. Powered by the Exynos 2100 processor (or Snapdragon 888 for the US model), the Galaxy S21 ensures fast processing speeds and efficient multitasking capabilities. It comes with 8GB of RAM and offers storage options starting from 128GB, ensuring ample space for apps, media, and files.

The phone's camera system is a standout feature, comprising a triple-lens setup with a 12MP ultra-wide lens, a 12MP wide lens, and a 64MP telephoto lens, supporting 30x Space Zoom for detailed photography. The front-facing camera is 10MP, ideal for high-quality selfies and video calls. The device supports 5G connectivity, providing ultra-fast internet speeds and improved network reliability, which is particularly advantageous for streaming and downloading large files.

The Galaxy S21 is equipped with a 4000mAh battery, supporting fast charging and wireless charging, ensuring longevity and convenience for users on the go. It runs on Android 11 with Samsung's One UI 3.1, offering a user-friendly interface along with various customization options. Additional features include an in-display fingerprint sensor, IP68 water and dust resistance, and stereo speakers tuned by AKG. This model is integrated with AT&T services, ensuring optimum network performance and coverage for users within the carrier's range. The device combines style with functionality, catering to users who demand performance and reliability in a modern smartphone.

Samsung Galaxy S21 5G AT&T SM-G991UZAAATT Phone F.A.Q.

How do I set up my Samsung Galaxy S21 5G for the first time?

To set up your Samsung Galaxy S21 5G, press and hold the power button to turn it on. Follow the on-screen instructions to select your language, connect to Wi-Fi, sign in to your Google account, and set up a screen lock.

How can I troubleshoot network connectivity issues on my Galaxy S21 5G?

First, ensure airplane mode is off. Restart your phone, then check if your network mode is set correctly under Settings > Connections > Mobile networks. If issues persist, contact AT&T support.

How do I transfer data from my old phone to the Samsung Galaxy S21 5G?

Use the Smart Switch app, downloadable from the Google Play Store, to wirelessly transfer data from your old device to your new Galaxy S21 5G.

What steps should I follow to maximize battery life on my Galaxy S21 5G?

To maximize battery life, reduce screen brightness, enable power-saving mode, close unused apps running in the background, and disable 5G when it's not needed.

How can I update the software on my Samsung Galaxy S21 5G?

Go to Settings > Software update > Download and install. Your phone will check for available updates and guide you through the installation process if an update is found.

What should I do if my Galaxy S21 5G is running slow?

Try clearing the cache by going to Settings > Device care > Storage > Clean now. Also, uninstall unused apps and ensure your software is up-to-date.

How do I take a screenshot on my Samsung Galaxy S21 5G?

Press and hold the volume down button and the power button simultaneously until a screenshot is captured. It will be saved in the Gallery app.

How can I reset my Galaxy S21 5G to factory settings?

To perform a factory reset, go to Settings > General management > Reset > Factory data reset. This will erase all data, so ensure you back up important information first.

How can I enable 5G on my Samsung Galaxy S21 5G?

Go to Settings > Connections > Mobile networks > Network mode and select a mode that includes 5G connectivity, such as 5G/LTE/3G/2G (auto connect).

What should I do if my Galaxy S21 5G won't charge?

Ensure the charging cable and adapter are working by testing them with another device. Check for debris in the charging port. If the problem persists, try a different outlet or contact support.