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
Top queries
Device help
Managing your account
Other ways to get help
If your phone is slow or freezes, it might help to restart it.
Press and hold On/Off.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.
