Touch screen responds slowly or improperly

Troubleshooting

The touch screen responds slowly or improperly

•If you attach a protective cover or optional accessories to the touch screen, the touch screen may not function properly.

•If you are wearing gloves, if your hands are not clean while touching the touch screen, or if you tap the screen with sharp objects or your fingertips, the touch screen may malfunction.

•The touch screen may malfunction in humid conditions or when exposed to water.

•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, visit a Samsung Service Centre.

Your device freezes or has fatal errors

If your device freezes or hangs, you may need to close applications or reinsert the battery and turn on the device to regain functionality. If your device is frozen and unresponsive, press and hold the Power button for more than 7 seconds to reboot.

If this does not solve the problem, perform a factory data reset. On the Applications screen, tap Settings →ACCOUNTS →Backup and reset →Factory data reset →RESET DEVICE → ERASE EVERYTHING. Before performing the factory data reset, remember to make back-up copies of all important data stored on the device.

If the problem is still not resolved, contact a Samsung Service Centre.

Calls are not connected

•Ensure that you have accessed the right cellular network.

•Ensure that you have not set call barring for the phone number you are dialling.

•Ensure that you have not set call barring for the incoming phone number.

Others cannot hear you speaking on a call

•Ensure that you are not covering the built-in microphone.

•Ensure that the microphone is close to your mouth.

•If using a headset, ensure that it is properly connected.

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GT-I9505ZWAVGR, GT-I9505ZRAROM, GT2I9505ZKAETL, GT-I9505ZWAORX, GT-I9505DKYORO 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.