AT&T R225 user manual FCC Compliance, Battery Use, Battery usage by children should be supervised

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Fundamentals

If the mobile phone has the automatic timing power on feature, please check your alarm setting to make sure that your phone will not be automatically turned on during the flight.

Battery Use

Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse or expose to water or other liquids, expose to fire, explosion or other hazard.

Do not disassemble or open, crush, bend or deform, puncture or shred.

Only use the battery for the system for which it is specified.

Only use the battery with a charging system that has been qualified with the system per this standard. Use of an unqualified battery or charger may present a risk of fire, explosion, leakage, or other hazard.

Do not short circuit a battery or allow metallic conductive objects to contact battery terminals.

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.

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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 phone 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 hazard.

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.

Do not attempt to short circuit the battery through any means as this can cause the unit to overheat or ignite.

Do not store the battery in hot areas or expose it to direct flame of any kind. Such misuse may damage the battery or could cause an explosion.

Do not disassemble or refit the battery. This may cause liquid leakage, overheating, explosions or ignition of the battery.

Please store the battery in a cool dry place if you do not use it for a long period.

The battery can be recharged many times, but it will eventually wear out over the course of normal usage. When the operating time (talk time and standby time) is noticeably shorter than normal, replace it with a new manufacturer approved battery.

Please stop using the charger and battery when they are damaged or show evidence of aging.

Return the used battery to the provider or dispose of it in accordance with local environmental regulations. Do not dispose of it in household refuse.

Please use original batteries or batteries approved by the phone manufacturer. Using unauthorized batteries may affect your handset performance or may cause danger of explosion, etc.

Use of an unapproved manufacturer battery or charger may present a risk of fire, explosion, leakage, or other hazard.

Warning: If the battery is damaged, immediately discontinue its use in your mobile device. If leakage does come into contact with eyes or skin immediately flush the affected areas thoroughly in clean water and consult a doctor immediately.

Fundamentals

The output voltage of adapter and input voltage of host device

The output voltage range of adapter (STC-A22O50I700M5-C) is DC4.75~5.40V.

The input voltage range of the host device charge interface is DC4.0~6.0V so that the adapter output meets the input requirements of the host device.

FCC Compliance

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this

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Contents AT&T R225 Table of Contents Inserting the SIM Card BatteryGetting Started Getting to Know Your Phone Key FunctionsLocking/Unlocking the Keypad On-Screen IndicatorsGetting Started Turning On/Off or Waking Your Phone Idle ScreenGetting Started Main Menu CommunicatingAddress Book Recent Calls Changing Input ModeMaking and Receiving Calls Entering TextMessaging Mobile Email AppCenterMobile Email & IM Go to Menu Mobile Email & IMMy Stuff My StuffSettings SettingsSecurity Safety PrecautionsFundamentals Aircraft Safety Precautions for Electronic DevicesFundamentals Safety and General Use in Vehicles FundamentalsFCC Compliance Battery UseBattery usage by children should be supervised Output voltage of adapter and input voltage of host deviceHearing Aid Compatibility with Mobile Phones Health and Safety InformationRadio Frequency RF Energy Limitation of Liability Are to experience interference noise from mobile phones

R225 specifications

The AT&T R225 is a powerful mobile device that showcases a blend of advanced technologies and user-friendly features aimed at enhancing connectivity and performance. Designed for users who require reliable access to communication and data services, the R225 stands out in a crowded market with its robust set of characteristics.

One of the main features of the AT&T R225 is its ability to support high-speed 4G LTE connectivity. This allows users to experience faster download and upload speeds, making it ideal for streaming videos, downloading large files, and engaging in video calls. The device is also designed to optimize connectivity in both urban and rural areas, ensuring that users stay connected wherever they go.

The AT&T R225 is equipped with a striking display, offering vibrant colors and sharp resolution. The screen size strikes a balance between usability and portability, making it easy to navigate apps, browse the internet, and consume media. Coupled with an efficient user interface, the device allows for seamless multitasking, enabling users to switch between applications with ease.

In terms of battery performance, the R225 excels with a long-lasting battery life that can comfortably support a full day's worth of usage. This is particularly beneficial for individuals who are always on the go and need a device that can keep up with their fast-paced lifestyle. The device also includes features like power-saving modes to extend battery life further when needed.

Another notable characteristic of the AT&T R225 is its durable design. Built to withstand the rigors of everyday life, the R225 is resistant to various environmental factors, including dust and water. This durability makes it an excellent choice for users who work in demanding conditions or enjoy outdoor activities.

The AT&T R225 also offers extensive storage options, allowing users to store apps, documents, and media without worry. With expandable storage capabilities, users can easily increase their device's memory as their needs grow.

In summary, the AT&T R225 combines advanced technology with practical features tailored to meet the needs of today’s mobile users. With high-speed connectivity, impressive battery life, and a durable design, the R225 is a standout device for those who seek both functionality and reliability in their mobile experience. Whether for personal or professional use, the AT&T R225 proves to be a versatile and dependable companion.