This manual introduces the basic operation of the N78 phone, including installing SIM cards and batteries, power on, and using storage cards.
This guide introduces the Nokia N78 handset, describing its front and rear button layout, connectors such as the 3.5 mm AV jack, Micro‑USB port, and supported microSD memory cards. It also explains the camera specifications and built‑in antennas.
Step‑by‑step instructions are provided for inserting the SIM card and battery, powering on the device, navigating the startup screen, using the music player, and accessing technical support resources. This manual is written in Chinese.
| Supported memory card | microSD (compatible only) |
|---|---|
| 3.5 mm AV jack | Present |
| Micro‑USB port | Present |
Open the back cover, insert the SIM card with the cut‑corner side facing the slot and the contacts facing down, then place the battery and close the cover.
Press and hold the power key; if a PIN or lock code is requested, enter it and confirm with the left selection key.
Press the music key, choose Music > Player, select a song or playlist, and adjust the volume to a moderate level.
Only Nokia‑approved microSD cards are supported; using an incompatible card may damage the card or the device.