To adjust the idle time before the screen turns off
1From your Home screen, tap 
.
2Find and tap Settings > Display > Sleep.
3Select an option.
To turn off the screen quickly, briefly press the power key 
.
To keep the screen active while the phone is charging
1From the Home screen, tap 
.
2Find and tap Settings > Developer options.
3Mark the Stay awake checkbox.
Phone language
You can select a language to use in your phone.
To change the phone language
1From your Home screen, tap 
.
2Find and tap Settings > Language & input > Language.
3Select an option.
If you select the wrong language and cannot read the menu texts, find and tap the Settings icon 
. Then select the entry beside 
, and select the first entry in the following menu. You can then select the language you want.
Flight mode
In Airplane mode, your phone's network and radio transceivers are turned off to prevent disturbance to sensitive equipment. However, you can still play games, listen to music, watch videos and other content, as long as all this content is saved on your memory card or internal storage. You can also be notified by alarms, if alarms are activated.
Turning on Airplane mode reduces battery consumption.
To turn on Airplane mode
1From your Home screen, tap 
.
2Find and tap Settings > More….
3Mark the Airplane mode checkbox.
You can also select Airplane mode from the Phone options menu. To access the Phone options menu, press and hold down the power key 
.
Memory
You can save content to a memory card, to your phone's internal storage, and to the phone memory. Music, video clips, and photos are saved to the internal storage or the memory card while applications, contacts, and messages are saved to the phone memory.
You can move some applications from the phone memory to the internal storage.
To move an application to the phone's internal storage
1From your Home screen, tap 
.
2Find and tap Settings > Apps.
3Select the application that you want to move to the internal storage.
4Tap Move to internal storage.
It is not possible to move some applications from the phone memory to the internal storage.
Memory card
You may have to purchase a memory card separately.
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