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携帯電話 Lenovo K9のPDF クイック・スタート・マニュアルをオンラインで閲覧またはダウンロードできます。Lenovo K9 15 ページ。
Lenovo K9 にも：ユーザーマニュアル (19 ページ), クイック・スタート・マニュアル (14 ページ)

that complies with USB 1.1, 2.0, 3.0, or greater, and complies with

EN301489-34, EN60950-1 or equivalent, or a high-power USB

port on a PC. Chargers that do not comply with these standards may

be unsafe and may cause slow charging, product damage, or

reduced device performance.

• Your mobile device will not charge if the temperature is too high

or low.

• Only use Lenovo approved batteries, which contain safety

circuitry and are designed to give the best performance in your

mobile device.

• Don't use a damaged charger or charger cable to charge your

device.

• Don't use tools, sharp objects, or excessive force to clean the USB

port, as this may damage your mobile device.

Warning about high volume usage

To prevent possible hearing damage, do not listen at high volume

levels for long periods.

Disposing according to local laws and regulations

When the Lenovo Phone reaches the end of its useful life, do not

crush, incinerate, immerse in water, or dispose of the Lenovo Phone

in any manner contrary to local laws and regulations. Some internal

parts contain substances that can explode, leak, or have an adverse

environmental effect if disposed of incorrectly. See "Recycling and

environmental information" for additional information.