Restarting the device, Forcing restart

Appendix

The touchscreen responds slowly or improperly

•If you attach a screen protector or optional accessories to the touchscreen, the touchscreen may not function properly.

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

•The touchscreen 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 updated to the latest version.

•If the touchscreen is scratched or damaged, visit a Samsung Service Centre.

Your device freezes or encounters a fatal error

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

Restarting the device

If your device freezes or hangs, you may need to close apps or turn off the device and turn it on again.

Forcing restart

If your device is frozen and unresponsive, press and hold the Power key and the Volume Down key simultaneously for more than 7 seconds to restart it.

Resetting the device

If the methods above do not solve your problem, perform a factory data reset.

On the Apps screen, tap Settings →Backup and reset →Factory data reset →RESET DEVICE →ERASE EVERYTHING. Before performing the factory data reset, remember to make backup copies of all important data stored in the device.

SM-J320FZWDSER, SM-J320FZKNBGL, SM-J320FZKNPHE, SM-J320FZDNITV, SM-J320FZDAILO specifications

The Samsung SM-J320FZDDKSA, SM-J320FZWDKSA, and SM-J320FZKDKSA are part of the Galaxy J3 series, designed to cater to budget-conscious consumers seeking reliable performance and essential smartphone features. These models were released in 2016 and are positioned as entry-level smartphones, making them accessible to a wide range of users.

One of the standout features of the Galaxy J3 series is its compact design. The devices boast a 5-inch Super AMOLED display, delivering vibrant colors and deep blacks, enhancing the viewing experience for multimedia consumption. The screen resolution of 1280 x 720 pixels ensures that images and text are sharp, making it suitable for casual browsing and media playback.

Under the hood, the Galaxy J3 models are powered by a quad-core processor, providing decent performance for everyday tasks such as browsing the internet, social media use, and light gaming. Depending on the variant, the smartphones are equipped with either 1.5GB or 2GB of RAM, facilitating smooth multitasking for users.

In terms of storage, these models offer 8GB or 16GB of internal memory, which can be expanded via a microSD card slot, allowing users to store their favorite apps, photos, and videos without running out of space. The camera capabilities include an 8-megapixel rear camera that features an LED flash, enabling users to capture decent quality images in various lighting conditions. Additionally, a 5-megapixel front-facing camera is available for selfies and video calls.

Battery life is a crucial aspect of any smartphone, and the Galaxy J3 series does not disappoint with its removable 2600mAh battery. This capacity provides a solid performance throughout the day, even with moderate usage, making it suitable for users who may not have access to charging frequently.

Connectivity options on the Galaxy J3 include 4G LTE support, ensuring fast internet access, along with standard features such as Wi-Fi, Bluetooth, and GPS. The devices run on Android, providing access to a range of applications through the Google Play Store.

In summary, the Samsung SM-J320FZDDKSA, SM-J320FZWDKSA, and SM-J320FZKDKSA smartphones offer a balanced mix of essential features and reliable performance, making them ideal for those seeking an affordable yet functional mobile device. Their user-friendly interface, solid build quality, and long-lasting battery life contribute to their appeal in the competitive entry-level smartphone market.