Troubleshooting

When you turn on your device or while you are using the device, it prompts you to enter one of the following codes:

•Password: When the device lock feature is enabled, you must enter the password you set for the device.

•PIN: When using the device for the first time or when the PIN requirement is enabled, you must enter the PIN supplied with the SIM or USIM card. You can disable this feature by using the Lock SIM card menu.

•PUK: Your SIM or USIM card is blocked, usually as a result of entering your PIN incorrectly several times. You must enter the PUK supplied by your service provider.

•PIN2: When you access a menu requiring the PIN2, you must enter the PIN2 supplied with the SIM or USIM card. For details, contact your service provider.

Your device displays network or service error messages

•When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again.

•You cannot access some options without a subscription. Contact your service provider for more details.

The touch screen responds slowly or improperly

If your device has a touch screen and the touch screen is not responding properly, try the following:

•Remove any protective covers from the touch screen. Protective covers may prevent the device from recognising your inputs and are not recommended for touch screen devices.

•Ensure that your hands are clean and dry when tapping the touch screen.

•Restart your device to clear any temporary software bugs.

•Ensure that your device software is upgraded to the latest version.

•If the touch screen is scratched or damaged, take it to your local Samsung Service Centre.

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GT-I9505DKYPAN, GT-I9505ZWAVGR, GT-I9505ZRANEE, GT-I9505ZRAROM, GT2I9505ZKAETL specifications

The Samsung GT-I9505, commonly known as the Galaxy S4, is a smartphone that was launched in 2013, marking a significant advancement in mobile technology at the time. Among its various model numbers, GT-I9505ZIASFR, GT-I9505ZWEXEF, GT-I9505ZWAFTM, GT-I9505DKYXEF, and GT-I9505ZPAXEF represent different region-specific variants, catering to diverse markets and user needs.

One of the defining features of the Galaxy S4 is its stunning 5.0-inch Super AMOLED display with a resolution of 1920 x 1080 pixels, delivering vibrant colors and deep blacks. This screen technology not only enhances visual experience but also ensures energy efficiency. Powered by the Qualcomm Snapdragon 600 processor, the S4 operates smoothly, allowing for seamless multitasking and efficient performance.

Equipped with 2GB of RAM, this device handles various applications and games without lag, making it a popular choice for users who demand performance. The internal storage options start from 16GB to 64GB, expandable via a microSD card, allowing users to store large amounts of data, photos, and videos conveniently.

The Galaxy S4 introduced several innovative features, including Smart Scroll and Smart Pause, which use the front-facing camera to track the user's eyes and face, adapting the interface accordingly. It also debuted the S Health app, allowing users to monitor their fitness and health-related activities.

Photography enthusiasts appreciate the 13-megapixel rear camera that captures high-quality images with excellent detail and color accuracy. The device also features a 2-megapixel front camera, suitable for video calls and self-portraits. Various modes like Dual Shot, which takes pictures with both cameras simultaneously, add a creative edge to photography.

In terms of connectivity, the GT-I9505 supports 4G LTE, Wi-Fi, Bluetooth, and NFC, providing users with multiple options for data transfer and communication. The removable 2600mAh battery ensures users can replace it easily and manage their device's power efficiently.

The Galaxy S4 runs on Android 4.2.2 Jelly Bean, with the option for updates, offering a user-friendly experience and access to a vast array of applications through the Google Play Store. With its impressive specifications, advanced features, and strong performance, the Samsung GT-I9505 series remains a noteworthy option for users seeking a reliable smartphone experience.