This is a Nokia RM-307 maintenance manual, which mainly introduces the characteristics of the phone, spare parts list, software upgrade, user information storage and recovery, disassembly steps, keyboard replacement steps, diagram quick and simple troubleshooting guide, quick troubleshooting guide diagram 1, quick troubleshooting guide diagram 2, network and call function test.
This service manual is intended for Nokia Level 1 and Level 2 repair centers and provides detailed guidance for servicing the Nokia 2505 mobile phone. It includes safety notices, ESD precautions, and instructions for handling the device in various environments.
The document contains disassembly diagrams, parts lists, tool requirements, software upgrade steps, and quick fault‑troubleshooting illustrations, as well as a network and call‑function test procedure for final verification. This manual is written in Chinese.
| Network | CDMA 800 MHz |
|---|---|
| Thickness | 16.65 mm |
| Display | 128 × 160 pixels, 65,536 colors |
| Battery | BL‑4 700 mAh Li‑ion |
| Contact Capacity | 300 names |
It operates on CDMA 800 MHz.
The display is 128 × 160 pixels with 65,536 colors.
Up to 300 names can be stored.
It uses a BL‑4 700 mAh lithium‑ion battery.