Getting Started

If you press a key while the keypad is locked, instructions for unlocking the keypad display briefly.

To unlock the keypad:

1From the idle screen, press m.

2Press *.

You also have the option of setting your phone to automatically lock the keypad if there has been no activity for a specified time.

1From the main menu, select Settings > Security > Keypad Lock.

2To lock the keypad immediately, select Lock Now. You will be given the option to press m and

*to lock and unlock the keypad.

3To set a specific time for the keypad to lock if there has been no activity, select Auto Lock and then select a time.

The keypad can be set to lock in 5, 10, 15 or 20 minutes if the keypad is not touched during the specified time. To turn the auto lock off, repeat step 3 and select Off.

Antenna

The retractable antenna on your i355 phone is designed to be extended during calls.

To extend the antenna, pull gently on the rounded tip until the antenna is fully extended and clicks into position.

When finished with a call, retract the antenna by pushing gently on the rounded tip until the antenna clicks into place.

To optimize your phone’s performance, extend the antenna when you make or receive a call, and avoid touching the antenna with any body part.

Important: Failure to fully extend or retract the antenna until the antenna clicks into place causes severely degraded performance, which may result in missed calls, dropped calls, or garbled audio.

Accessories

Your phone comes with a High Capacity Lithium Ion Battery, rapid travel charger, and holster.

Various accessories are available for use with your i355 phone, including cases, vehicle power charger, data cables, Hands-Free accessories and more.

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Sprint Nextel i355 phone user's guide manual Antenna, Accessories
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i355 phone user's guide specifications

The Sprint Nextel i355 is a compact and rugged mobile phone designed for users who seek durability alongside essential communication features. Launched as part of Sprint Nextel's lineup, this device caters primarily to users who work in demanding environments, making it a popular choice among professionals in construction, logistics, and field services.

One of the standout features of the i355 is its robust design. The phone is built to withstand challenging conditions, featuring military-standard durability with resistance to shock, dust, and moisture. This makes it ideal for users who may expose their devices to harsh elements on job sites or outdoor environments.

The i355 utilizes Nextel's Direct Connect technology, allowing for quick push-to-talk communications that work like a walkie-talkie. This feature enables instant connectivity with colleagues across a vast network, facilitating real-time communication without the need for a call setup. The Direct Connect capability is especially valuable in work situations where prompt responses are critical.

In terms of display, the i355 is equipped with a 1.9-inch color screen, providing clarity for reading messages, checking settings, and navigating the user interface. The device also includes basic multimedia capabilities, such as a camera for capturing images and recording short videos, allowing users to document their work or share quick moments with others.

The i355 supports SMS and MMS, ensuring users can send text messages and multimedia content seamlessly. Users can also store important contacts, thanks to the phone’s built-in address book, which can hold a significant number of contacts, making communication management straightforward.

Battery life is another key characteristic of the i355, which features a long-lasting battery that is designed to keep users connected throughout the day, making it suitable for individuals who spend long hours on the job without access to charging facilities.

Furthermore, the phone supports a range of basic applications that facilitate daily tasks, enhancing overall productivity. Though the i355 may not boast advanced smartphone features, its reliability, ease of use, and focus on essential functions make it a favored choice for those who prioritize communication and durability in their work-related devices.

In summary, the Sprint Nextel i355 phone is an excellent option for users seeking a dependable, rugged device that excels in straightforward communication and resilience in various professional environments.
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