2.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.

3.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.

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

5.Replace the battery only with another battery that has been qualified with the system per this standard, IEEE-Std-1725.

6.Promptly dispose of used batteries in accordance with local regulations.

7.Battery usage by children should be supervised.

8.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.

9.Improper battery use may result in a fire, explosion or other hazard.

10.The phone shall only be connected to CTIA certified adapters and products that bear the USB-IF logo or have completed the USB-IF compliance program.

Battery Replacement

When the talk and standby times are noticeably shorter than normal, replace the battery with an original Sonim battery. If a replacement battery is being used for the first time or if the battery has not been used for a prolonged period, it may be necessary to connect the charger and then disconnect and reconnect it to begin charging the battery.

Note: Sonim XP3410 IS STRIKE battery is provided by ECOM. For replacement information refer to the ECOM site - www.ecom-ex.com/.

Avoid Short Circuit

Do not short-circuit the battery. An accidental short-circuit can occur when a metallic object such as a coin, clip, or pen causes direct connection of the positive (+) and negative (-) terminals of the battery. (These look like metal strips on the battery.) This might happen, for example, when you carry a spare battery in your pocket or purse. A short-circuit at the terminals may damage the battery or the connecting object.

Avoid High Temperatures

If you leave the battery in hot or cold places, such as in a closed car in summer or winter conditions, it will reduce the capacity and lifetime of the battery. For best results, try to keep the battery between - 20°C and +55°C (-4°F and 131°F). A device with a hot or cold battery may not work temporarily, even when the battery is fully charged. Battery performance is particularly limited in temperatures well below freezing.

General Information

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Sprint Nextel IS manual Battery Replacement
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IS specifications

Sprint Nextel IS, a prominent telecommunications company in the United States, was a pioneer in integrating voice and data services over a next-generation network. Established through the merger of Sprint Corporation and Nextel Communications in 2005, Sprint Nextel IS offered a range of communication services, primarily focusing on mobile telephony and wireless broadband.

One of the standout features of Sprint Nextel IS was its innovative push-to-talk (PTT) technology. Utilizing Nextel's legacy iDEN network, this feature allowed users to communicate instantly with one another, emulating the functionality of a two-way radio. This was particularly appealing to business customers who valued immediate communication. PTT was a hallmark of Nextel services, setting the company apart from competitors and fostering a loyal customer base among industries such as public safety, transportation, and construction.

In terms of network technology, Sprint Nextel IS was an early adopter of 4G LTE, significantly impacting mobile data speeds and reliability. The LTE network enabled customers to enjoy high-speed internet access on their mobile devices, facilitating seamless streaming, browsing, and app usage. Following the initial rollout of LTE, Sprint Nextel continued to invest in its infrastructure, enhancing coverage and capacity to meet the increasing demand for data-driven services.

Another key characteristic of Sprint Nextel IS was its commitment to innovation and customer service. The company introduced various pricing plans and options tailored to the needs of its diverse customer base. This included flexible unlimited data plans, family bundles, and device financing options. Sprint Nextel IS aimed to provide value while ensuring customers had access to the latest mobile devices from leading manufacturers such as Apple, Samsung, and HTC.

Moreover, Sprint Nextel IS was also significant for its role in the development of mobile broadband technologies. Through partnerships and investments, the company worked on expanding its service offerings, including international roaming and machine-to-machine (M2M) services, which catered to businesses looking to implement IoT solutions.

In conclusion, Sprint Nextel IS left a lasting legacy in the telecommunications industry, characterized by its pioneering push-to-talk capabilities, robust 4G LTE network, customer-focused service options, and dedication to innovation. Although later acquired by T-Mobile in 2020, the impact of Sprint Nextel IS's advancements continues to influence mobile communications today.
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