•  Replace the battery only with another battery that has been qualified with the system per this standard, IEEE-Std-1725-2006. Use of an unqualified battery may present a risk of fire, explosion, leakage or other hazard.

•  Promptly dispose of used batteries in accordance with local regulations. •  Battery usage by children should be supervised.

•  Avoid dropping the phone or battery. If the device or battery is dropped, especially on a hard surface, and the user suspects damage, take it to a service center for inspection.

•  Improper battery use may result in a fire, explosion or other hazards.

For those host devices that utilize a USB port as a charging source, the host device’s user manual shall include a statement that the phone shall only be connected to CTIA certified adapters, products that bear the USB-IF logo or products that have completed the USB-IF compliance program.

Aircraft Safety

•  Power off your phone before the airplane takes off. In order to protect the airplane’s communication system from the interference, it is prohibited to use the mobile phone in flight. If you want to use your mobile phone before the airplane takes off, you should get aircrew’s permission according to safety regulations.

•  If the mobile phone has the function of automatic timing power-on, please check your alarm setting to ensure that your phone will not be automatically powered on during the flight.

Hospital Safety

•  Switch off your phone and remove the battery in areas where the use of handsets is prohibited.

•  Follow the instructions given by the respective medical facility regarding the use of handsets on their premises.

Care and Maintenance

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AT&T Z331 manual Aircraft Safety, Hospital Safety
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Z331 specifications

The AT&T Z331 is a feature phone designed for users who prioritize basic functionality over complex smart technologies. It encapsulates simplicity, reliability, and usability, making it an excellent choice for individuals who seek a straightforward communication device without the distractions of advanced apps.

One of the main features of the AT&T Z331 is its compact and lightweight design. Weighing just a few ounces, it fits comfortably in the palm of your hand and can easily be slipped into a pocket or bag. The device sports a 2.4-inch display, which is bright enough for easy reading and navigational tasks. The display, while modest, offers clear visibility for calls and messages.

The Z331 is equipped with a sturdy keypad that features large, tactile buttons, allowing for effortless dialing and texting. This is especially beneficial for users who may have difficulty using touchscreens, such as seniors or those with limited dexterity. The interface is user-friendly, ensuring that even those who are not tech-savvy can navigate it with ease.

In terms of connectivity, the AT&T Z331 supports 4G LTE, providing users with a fast and reliable network for calls and text messaging. The phone is primarily geared toward voice calls and SMS messages, with basic multimedia capabilities such as camera functionality. It features a 2 MP rear camera that can capture images and videos, suitable for informal photography.

The internal storage of the Z331 is modest but can be expanded with a microSD card, offering users the ability to store more photos and other essential files. The device is powered by a long-lasting battery, ensuring that users can stay connected throughout the day without frequent recharges. The battery life is one of its strong suits, with extended standby time that caters to users' needs.

Additionally, the AT&T Z331 comes pre-installed with essential applications such as a calendar, alarm, and FM radio, enhancing its usability as an everyday device. One notable aspect is its durability, built to withstand daily wear and tear, making it a reliable companion for various lifestyles.

In conclusion, the AT&T Z331 is tailored for those who appreciate straightforward communication tools. With its solid build, user-friendly interface, and essential features, it addresses the needs of individuals looking for a dependable phone while avoiding the complexities often found in smartphones. Its strong emphasis on basic functions makes it a perfect choice for an array of users, from the elderly to those who wish to disconnect from the digital noise of modern devices.
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