Getting started

My phone's battery life is short

If your phone uses too much power and the battery life is short, there may be several causes of the problem.
We found 15 possible solutions to your problem.

Press Settings.
Step 1 of 10

Press Settings.

Press General.
Step 2 of 10

Press General.

Press Background App Refresh.
Step 3 of 10

Press Background App Refresh.

Press Background App Refresh.
Step 4 of 10

Press Background App Refresh.

To turn off background refresh of apps, press Off.
Step 5 of 10

To turn off background refresh of apps, press Off.

To turn on background refresh of apps using Wi-Fi, press Wi-Fi.
Step 6 of 10

To turn on background refresh of apps using Wi-Fi, press Wi-Fi.

If you turn on background refresh of apps using Wi-Fi, app content will be updated when a Wi-Fi connection is established.
To turn on background refresh of apps using mobile network, press Wi-Fi & Mobile Data.
Step 7 of 10

To turn on background refresh of apps using mobile network, press Wi-Fi & Mobile Data.

If you turn on background refresh of apps using mobile network, app content will be updated using mobile network when no Wi-Fi networks are within range.
Press arrow left.
Step 8 of 10

Press arrow left.

Press the indicator next to the required app to turn the function on or off.
Step 9 of 10

Press the indicator next to the required app to turn the function on or off.

Press the Home key to return to the home screen.
Step 10 of 10

Press the Home key to return to the home screen.

Specifications

Dimensions and weight

Dimensions 138.3 x 67.1 x 7.1 mm
Weight 138 g

SIM

SIM type Nano SIM

Memory

Storage 32/128/256 GB

Screen and keys

Screen type Retina display
Display size 4.7 inches
Resolution 750 x 1334 pixels
Colour display 16 million colours
Touch ID Yes

Network

2G network Yes
3G network Yes
4G network Yes

Connectivity

Bluetooth Yes
Wi-Fi Yes
NFC Yes
USB data cable Included
GPS Yes

Picture, video and sound

Camera 12 MP
Video recorder Yes
Flash Yes
Music player Yes
FM radio No
Siri Yes

Operating system

Operating system iOS 11

Communication

Voice calls Yes
Video call (FaceTime) Yes
iMessages Yes
Text messaging Yes
Picture messaging Yes
Email messaging POP3/IMAP/Exchange

Synchronisation and file sharing

iCloud Yes
AirDrop Yes

Tethering

USB Yes
Personal hotspot Yes