Phones
Tablets, laptops and dongles
SIMs and Tariffs
Accessories and more
O2 for you
Saving you money
Stay connected
Perks and rewards
Live bigger with Volt
See all the reasons to choose O2
Help and support
Most popular
Useful links
Contact us
You should charge the phone battery regularly to ensure that your phone is always ready for use.
1. Charge the battery
Connect the charger to the socket and to a wall socket.