Phones
Tablets, laptops and dongles
SIMs and Tariffs
Accessories and more
Flexibility
Perks
Services
Connected
Live bigger with Volt
See all the reasons to choose O2
Help and support
Most popular
Useful links
Contact us
You can adjust the screen brightness to your surroundings.
Press the Digital Crown.
Press the settings icon.
Press Display & Brightness.
Press the brightness icons to set the required brightness.
Press the Digital Crown several times to return to standby mode.
