S302c user guide, including SIM card, PIN code, battery charging and other contents.
This guide explains how to insert and lock the SIM card, set PIN/PUK codes, and manage network registration. It also covers the use of the USB charger, charging times, and the distinction between charging and data cables.
Additional sections describe supported memory cards, network signal indicators, and safety warnings about using only Sony Ericsson‑approved accessories. The manual ends with copyright information and links to online English and Chinese versions. This manual is written in Chinese.