Samsung Galaxy S21 5G

Select operating system

Choose another device

Search for a solution

Image 1: Samsung Galaxy S21 5G in Black

Quick links to popular guides

Set up your phone for Telstra Mail Set up your phone for IMAP email Set up your phone for POP3 email Set up your phone for internet Select dual SIM settings Write and send text messages

Browse via device topic

Troubleshooting

I can't use Wi-Fi I can't use my phone as a Wi-Fi hotspot My phone uses a large amount of mobile data

Connecting phone and computer

Transfer files between computer and phone

Wi-Fi

Connect to a Wi-Fi network Use your phone as a Wi-Fi hotspot Turn automatic use of mobile data on or off

Bluetooth

Pair a Bluetooth device with your phone

Synchronisation

Back up pictures and videos to Google Drive Turn automatic synchronisation of content on or off

Data usage

View data usage Turn mobile data on or off Turn data roaming on or off

Rather get in touch? Let’s get you connected

Online help & supportGet help

Chat with our teamContact us

My Telstra appDownload My Telstra