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
If your phone is slow or freezes, it might help to restart it.
Press the Side key.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.
