Sony D6653, D6603 manual Memory and storage, Improving memory performance

To activate STAMINA mode features

1 From your Home screen, tap .

2Find and tap Settings > Power management, then tap STAMINA mode.

3 Activate STAMINA mode if it is deactivated.

4 Mark the checkboxes beside the features that you want to activate, then tap Activate, if prompted.

To select which applications to run in STAMINA mode

1 From your Home screen, tap .

2Find and tap Settings > Power management, then tap STAMINA mode.

3 Activate STAMINA mode if it is deactivated.

4 Make sure that the Extended standby checkbox is marked, then tap Apps active in standby > Add applications.

5 Scroll left or right to view all applications and services, then mark the relevant checkboxes for the applications that you want to run.

6 When you're finished, tap Done.

Memory and storage

Your device has different types of memory and storage possibilities for photos, apps and other files:

•The internal storage is about 12 GB and is used to store downloaded or transferred content along with personal settings and data. Examples are alarm, volume and language settings, emails, bookmarks, contacts, calendar events, photos, videos and music.

•You can use a removable memory card of up to 128 GB to get more storage space. Most applications can read data from a memory card but only certain apps can save files to this type of memory. You can, for example, set the camera application to save photos directly to the memory card.

•The dynamic memory (RAM) is about 3 GB and cannot be used for storage. RAM is used to handle running applications and the operating system.

You may have to purchase a memory card separately.

Read more about the use of memory in Android devices by downloading the White paper for your device at www.sonymobile.com/support.

Improving memory performance

The memory in your device tends to fill up as a result of normal usage. If the device starts to slow down, or applications suddenly shut down, you should consider the following:

•Always have more than 100 MB of free internal storage and more than 100 MB of free RAM.

•Close down running applications that you are not using.

•Clear the cache memory for all applications.

•Uninstall downloaded applications that you don't use.

•Transfer photos, videos and music from the internal memory to the memory card.

•If your device can't read content on the memory card, you may need to format it.

	To view the memory status
1	From your Home screen, tap .
2	Find and tap Settings > Storage.

To view the amount of free and used RAM

1	From your Home screen, tap .
2	Find and tap Settings > Apps > Running.

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