White paper Xperia™ Z2

This type of memory is used to store all application downloaded from the Google Play™ Store (and other sources) as well as their settings and data (such as emails, messages and calendar events, for example). All applications have an allocated area which no other applications can access and where the application data can be stored.

Some game applications also store content such as game music and game level information outside their own designated area. In most cases, an application can choose to save its data in a location of its own choosing (outside the protected application settings area). Generally, such content is not deleted when an application is uninstalled; it must be removed manually by connecting the device to a computer with a USB cable, or by using a file manager application.

Internal Storage is also used for all user content added, for example, as a result of the user taking photos with the camera, downloading media files, and performing file transfers. Typical user content includes:

photos

movies

music

downloaded documents (as email attachments, for example)

Internal Storage will tend to fill up as a result of normal usage. Examples of such usage are the saving of data by applications; the downloading and installation of new applications; the downloading of free or paid content; and the shooting of pictures and movies. Therefore, the larger this memory is from the start, the more applications you can download and use, and the more pictures and movies you can shoot.

If the Internal Storage starts to get full, the device slows down, and in some cases it might no longer be possible to install more apps. You should always ensure that you have at least 100 MB of free Internal Storage. If not, you should consider removing some apps that you seldom use, or move content that you do not frequently access to safe storage.

You can see approximately how much Internal Storage is free in Settings > Storage > DEVICE MEMORY. You can also view more detail about how much memory is used by applications in Settings > Apps. In the Xperia™ Z2, about 12 GB of Internal Storage is available out of the box.

Please note that in Sony Mobile 2014 products, “Internal Storage” is now the combination of what was previously known as “Device Memory” or “Phone Memory” (for applications and their data – also previously known as “/data”) and “Internal Storage” (for user’s content – also previously known as “/ sdcard”). The reason for this change is to make the use of available memory more flexible, and also to enable the optional encryption of user’s content.

Memory card slot

In some products you may find both a large internal memory and a memory card reader slot. However, on the current Android platform, the card reader slot does not work in the same manner in a device with a large internal memory as it does in a device with ONLY a memory card slot.

Generally, since most applications expect only a single location for storage, such applications will not generally allow you to SAVE anything to the memory card (i.e., they do not offer the option to choose a storage location). However, some applications (for instance, the Sony Mobile “Camera” application) may actually allow you to do so. Other applications, for example, backup applications such as the Sony Mobile “Memory” application, will by definition be configured to copy content from the Internal Storage to the external SD card.

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March 2014

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Sony D6543, D6502, D6503 manual White paper Xperia Z2

D6503, D6543, D6502 specifications

The Sony D6502, D6543, and D6503 are part of the renowned Xperia smartphone series, notable for their impressive specifications and innovative technologies. Released in the mid-2010s, these models represent Sony's commitment to merging cutting-edge features with user-friendly design.

The Sony D6502, also known as the Xperia Z3 Compact, packs a powerful punch in a compact form factor. It boasts a 4.6-inch HD display with a resolution of 1280 x 720 pixels, ensuring vibrant visuals that enhance the viewing experience for videos and games. One of its standout features is the Snapdragon 801 processor, which provides robust performance, allowing users to run multiple applications seamlessly and enjoy graphic-intensive games without lag. The device is equipped with 2GB of RAM and storage options of 16GB or 32GB, expandable via microSD, making it versatile for various user needs.

The D6543 variant, often referred to as the Xperia Z3, takes a step up in screen size with a 5.2-inch Full HD display that captivates with vibrant colors and sharp details, perfect for multimedia consumption. It retains the same powerful Snapdragon 801 chip, ensuring performance remains top-notch. One of the highlights of this model is its camera system, featuring a 20.7MP rear camera with advanced sensor technology that excels in low-light conditions, along with a 2.2MP front camera for quality selfies.

The D6503, or Xperia Z3 Dual, shares many specifications with the Z3 while introducing dual-SIM capabilities, catering to users who wish to manage personal and professional lines efficiently. This feature is particularly beneficial for travelers and business professionals who need to stay connected across different networks. The D6503 also benefits from the same premium build quality, featuring waterproof and dustproof properties classified under IP68, which protects the device in various environments.

Moreover, all three models include Sony’s proprietary technologies such as Battery STAMINA mode, which optimizes performance to prolong battery life. They also integrate high-resolution audio and support for DSD audio files, highlighting Sony's heritage in audio excellence.

In summary, the Sony D6502, D6543, and D6503 models showcase a blend of powerful hardware, impressive camera technology, and premium build quality, making them strong contenders in the smartphone market during their time. With their focus on user experience, these devices have carved out a niche for performance-driven consumers.