Nokia C5–03 User Guide, introduces the basic operations, function settings, personalization settings, calls, messages, multimedia, network, connectivity functions and other content.
This manual covers the basic operation of the Nokia C5-03, including inserting SIM and memory cards, using the keypad, navigating menus, and managing calls and messages. It also explains how to configure network settings, use Bluetooth and Wi‑Fi, and access the Ovi services.
Safety guidelines, battery‑saving tips, and troubleshooting steps are included, along with instructions for updating the device software via a PC and contacting Nokia support for repairs. This manual is written in Chinese.
| IMEI number | 15‑digit identifier |
|---|---|
| PIN code length | 4 to 8 digits |
| PIN2 code length | 4 to 8 digits |
| PUK code length | 8 digits |
Turn off the device, remove the battery, wait about one minute, reinsert the battery and turn the phone back on.
Select Settings > Security > PIN, then follow the prompts to enter the current PIN and set a new 4‑to‑8‑digit PIN.
The 15‑digit IMEI number is printed on a label under the battery.