Press 
and touch Main (
) > Settings > Display > Brightness, Backlight Dim, or Brightness Off.
Touch the minimum time interval setting. (Brightness is adjustable by moving the slider either left or right.)
This guide contains important operational and safety information that will help you safely use your device. Failure to read and follow the information provided in this device guide may result in serious bodily injury, death, or property damage.
There are several simple guidelines to operating your device properly and maintaining safe, satisfactory service.
To maximize performance, do not touch the bottom portion of your device where the internal antenna is located while using the device.
Speak directly into the mouthpiece.
Avoid exposing your device and accessories to rain or liquid spills. If your device does get wet, immediately turn the power off and remove the battery.
Do not expose your device to direct sunlight for extended periods of time (such as on the dashboard of a car).
Although your device is quite sturdy, it is a complex piece of equipment and can be broken. Avoid dropping, hitting, bending, or sitting on it.
Any changes or modifications to your device not expressly approved in this document could void your warranty for this equipment and void your authority to operate this equipment.
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Note |
For the best care of your device, only Sprint-authorized personnel should service your device and accessories. Failure to do so may be dangerous and void your warranty. |
Do Not Rely on Your Device for Emergency Calls
Mobile devices operate using radio signals, which cannot guarantee connection in all conditions. Therefore you should never rely solely upon any mobile device for essential communication (e.g., medical emergencies). Emergency calls may not be possible on all cellular networks or when certain network services or mobile device features are in use. Check with your local service provider for details.
Using Your Device While Driving
Talking on your device while driving (or operating the device without a hands-free device) is prohibited in some jurisdictions. Laws vary as to specific restrictions. Remember that safety always comes first.
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Tip |
Purchase an optional hands-free accessory at your local Sprint Store, or call Sprint at 1-800-974-2221. You can also dial # 2 2 2 on your device. |
Following Safety Guidelines
To operate your device safely and efficiently, always follow any special regulations in a given area. Turn your device off in areas where use is forbidden or when it may cause interference or danger.
Using Your Device Near Other Electronic Devices
Most modern electronic equipment is shielded from radio frequency (RF) signals. However, RF signals from wireless devices may affect inadequately shielded electronic equipment.
RF signals may affect improperly installed or inadequately shielded electronic operating systems or entertainment systems in motor vehicles. Check with the manufacturer or their representative to determine if these systems are adequately shielded from external RF signals. Also check with the manufacturer regarding any equipment that has been added to your vehicle.
Consult the manufacturer of any personal medical devices, such as pacemakers and hearing aids, to determine if they are adequately shielded from external RF signals.
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Note |
Always turn off the device in healthcare facilities, and request permission before using the device near medical equipment. |
Turning Off Your Device Before Flying
Turn off your device before boarding any aircraft. To prevent possible interference with aircraft systems, the U.S. Federal Aviation Administration (FAA) regulations require you to have permission from a crew member to use your device while the plane is on the ground. To prevent any risk of interference, FCC regulations prohibit using your device while the plane is in the air.
Turning Off Your Device in Dangerous Areas
To avoid interfering with blasting operations, turn your device off when in a blasting area or in other areas with signs indicating two-way radios should be turned off. Construction crews often use remote-control RF devices to set off explosives.
Turn your device off when you’re in any area that has a potentially explosive atmosphere. Although it’s rare, your device and accessories could generate sparks. Sparks can cause an explosion or fire, resulting in bodily injury or even death. These areas are often, but not always, clearly marked. They include:
Fueling areas such as gas stations.
Below deck on boats.
Fuel or chemical transfer or storage facilities.
Areas where the air contains chemicals or particles such as grain, dust, or metal powders.
Any other area where you would normally be advised to turn off your vehicle’s engine.
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Note |
Never transport or store flammable gas, flammable liquids, or explosives in the compartment of your vehicle that contains your device or accessories. |
Restricting Children’s Access to Your Device
Your device is not a toy. Do not allow children to play with it as they could hurt themselves and others, damage the device or make calls that increase your Sprint invoice.
A number of Sprint devices have been tested for hearing aid device compatibility. When some wireless devices are used with certain hearing devices (including hearing aids and cochlear implants), users may detect a noise which can interfere with the effectiveness of the hearing device.
Some hearing devices are more immune than others to this interference noise, and devices also vary in the amount of interference noise they may generate. ANSI standard C63.19 was developed to provide a standardized means of measuring both wireless device and hearing devices to determine usability rating categories for both.
Ratings have been developed for mobile devices to assist hearing device users find devices that may be compatible with their hearing device. Not all devices have been rated for compatibility with hearing devices. Devices that have been rated have a label located on the box. Your SPH-M800 has an M3 and T3 rating.
These ratings are not guarantees. Results will vary depending on the user’s hearing device and individual type and degree of hearing loss. If a hearing device is particularly vulnerable to interference noise, even a device with a higher rating may still cause unacceptable noise levels in the hearing device. Trying out the device with your hearing device is the best way to evaluate it for your personal needs.
M-Ratings: Devices rated M3 or M4 meet FCC requirements for hearing aid compatibility and are likely to generate less interference to hearing devices than unrated devices. (M4 is the better/higher of the two ratings.)
T-Ratings: Devices rated T3 or T4 meet FCC requirements and are likely to be more usable with a hearing device’s telecoil (“T Switch”or “Telephone Switch”) than unrated devices. (T4 is the better/higher of the two ratings. Note that not all hearing devices have telecoils in them.)
Hearing aid devices may also be measured for immunity to interference noise from wireless devices and should have ratings similar to devices. Ask your hearing healthcare professional for the rating of your hearing aid. Add the rating of your hearing aid and your device to determine probable usability:
Any combined rating equal to or greater than six offers excellent use.
Any combined rating equal to five is considered normal use.
Any combined rating equal to four is considered usable.
Thus, if you pair an M3 hearing aid with an M3 device, you will have a combined rating of six for “excellent use.” This is synonymous for T ratings.
Sprint further suggests you experiment with multiple devices (even those not labeled M3/T3 or M4/T4) while in the store to find the one that works best with your hearing aid device. Should you experience interference or find the quality of service unsatisfactory after purchasing your device, promptly return it to the store within 30 days of purchase. With the Sprint 30-day Risk-Free Guarantee, you may return the device within 30 days of purchase for a full refund. More information about hearing aid compatibility may be found at: www.fcc.gov, www.fda.gov, and www.accesswireless.org.
To further minimize interference:
Set the device’s display and dial pad backlight settings to ensure the minimum time interval:
Press and touch Main () > Settings > Display > Brightness, Backlight Dim, or Brightness Off.
Touch the minimum time interval setting. (Brightness is adjustable by moving the slider either left or right.)
Position the device so the internal antenna is farthest from your hearing aid.
Move the device around to find the point with least interference.
Protecting Your Battery
The guidelines listed below help you get the most out of your battery’s performance.
Recently there have been some public reports of wireless device batteries overheating, catching fire, or exploding. It appears that many, if not all, of these reports involve counterfeit or inexpensive, aftermarket-brand batteries with unknown or questionable manufacturing standards. Sprint is not aware of similar problems with Sprint devices resulting from the proper use of batteries and accessories approved by Sprint or the manufacturer of your device. Use only Sprint-approved or manufacturer-approved batteries and accessories found at Sprint Stores or through your device’s manufacturer, or call 1-866-343-1114 to order. They’re also available at www.sprint.com — click Accessories. Buying the right batteries and accessories is the best way to ensure they’re genuine and safe.
In order to avoid damage, charge the battery only in temperatures that range from 32° F to 113° F (0° C to 45° C).
Don’t use the battery charger in direct sunlight or in high humidity areas, such as the bathroom.
Never dispose of the battery by incineration.
Keep the metal contacts on top of the battery clean.
Don’t attempt to disassemble or short-circuit the battery.
The battery may need recharging if it has not been used for a long period of time.
It’s best to replace the battery when it no longer provides acceptable performance. It can be recharged hundreds of times before it needs replacing.
Don’t store the battery in high temperature areas for long periods of time. It’s best to follow these storage rules:
Less than one month:
-4° F to 140° F (-20° C to 60° C)
More than one month:
-4° F to 113° F (-20° C to 45° C)
Disposal of Lithium Ion (Li-Ion) Batteries
Do not handle a damaged or leaking Li-Ion battery as you can be burned.
For safe disposal options of your Li-Ion batteries, contact your nearest Sprint authorized service center.
Special Note: Be sure to dispose of your battery properly. In some areas, the disposal of batteries in household or business trash may be prohibited.
Understanding How Your Device Operates
Your device is basically a radio transmitter and receiver. When it’s turned on, it receives and transmits radio frequency (RF) signals. When you use your device, the system handling your call controls the power level. This power can range from 0.006 watt to 0.2 watt in digital mode.
Knowing Radio Frequency Safety
The design of your device complies with updated NCRP standards described below.
In 1991–92, the Institute of Electrical and Electronics Engineers (IEEE) and the American National Standards Institute (ANSI) joined in updating ANSI’s 1982 standard for safety levels with respect to human exposure to RF signals. More than 120 scientists, engineers and physicians from universities, government health agencies and industries developed this updated standard after reviewing the available body of research. In 1993, the Federal Communications Commission (FCC) adopted this updated standard in a regulation. In August 1996, the FCC adopted hybrid standard consisting of the existing ANSI/IEEE standard and the guidelines published by the National Council of Radiation Protection and Measurements (NCRP).
Body-Worn Operation
To maintain compliance with FCC RF exposure guidelines, if you wear a handset on your body, use the Sprint supplied or approved carrying case, holster or other body-worn accessory. If you do not use a body-worn accessory, ensure the antenna is at least 7/16 inch (1.5 centimeters) from your body when transmitting. Use of non-Sprint-approved accessories may violate FCC RF exposure guidelines.
For more information about RF exposure, visit the FCC Web site at www.fcc.gov.
The SAR value corresponds to the relative amount of RF energy absorbed into the head of a user of a wireless handset.
The SAR value of a device is the result of an extensive testing, measuring and calculation process. It does not represent how much RF the device emits. All device models are tested at their highest value in strict laboratory settings. But when in operation, the SAR of a device can be substantially less than the level reported to the FCC. This is because of a variety of factors including its proximity to a base station antenna, device design and other factors. What is important to remember is that each device meets strict federal guidelines. Variations in SARs do not represent a variation in safety.
All devices must meet the federal standard, which incorporates a substantial margin of safety. As stated above, variations in SAR values between different model devices do not mean variations in safety. SAR values at or below the federal standard of 1.6 W/kg are considered safe for use by the public.
The highest reported SAR values of theSPH-M800 are:
Cellular CDMA mode (Part 22):
Head: 1.16 W/kg; Body-worn: 1.220 W/kg
PCS mode (Part 24):
Head: 1.460 W/kg; Body-worn: 1.01 W/kg
This device meets the FCC Radio Frequency Emission Guidelines.
FCC ID number: A3LSPHM800.
More information on the device’s SAR can be found from the following FCC Web site: http://www.fcc.gov/oet/ea/.
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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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Note |
This equipment 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 equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient the direction of the internal antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
The model number, regulatory number, and serial number are located on a nameplate inside the battery compartment. Record the serial number in the space provided below. This will be helpful if you need to contact us about your device in the future.
Model: SPH-M800
Serial No.:
CDMA Technology is licensed by QUALCOMM Incorporated under one or more of the following patents:
4,901,307 5,109,390 5,267,262 5,416,797
5,506,865 5,544,196 5,657,420 5,101,501
5,267,261 5,414,796 5,504,773 5,535,239
5,600,754 5,778,338 5,228,054 5,337,338
5,710,784 5,056,109 5,568,483 5,659,569
5,490,165 5,511,073
T9 Text Input is licensed by Nuance Communications, Inc. and is covered by U.S. Pat. 5,818,437, U.S. Pat. 5,953,541, U.S. Pat. 6,011,554 and other patents pending.