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General| Network | GSM 900 / 1800 |
|---|---|
| Announced | 1999 |
| Status | Discontinued |
| SIM | Mini-SIM |
| Display | Monochrome graphic |
| Loudspeaker | No |
| 3.5mm jack | No |
| Messaging | SMS |
| Clock | Yes |
| Alarm | Yes |
| Games | Yes |
| Calculator | Yes |
| Talk time | Up to 4 h 30 min |
| Alert types | Ringtones |
| Languages | Yes |
| Battery type | NiMH 600 mAh |
Basic understanding of cell coverage and frequency re-use principles.
Overview of the main components of a GSM network.
Details on the SIM card, its function, and insertion.
Functionality of the SIM Application Toolkit for service applications.
Information on the Extended GSM 900 standard and frequency range.
Description of the integrated modem for data communication.
Support for modem drivers, data services, and WAP browser.
Purpose and scope of the level 2 service guide for C35 series phones.
Key technical details and features of the C35 and C35i models.
List and part numbers of available accessories for the C35 series.
Exploded view and identification of mechanical parts.
Explanation of the phone's physical construction and locking mechanism.
Block diagram illustrating the phone's internal hardware components.
Detailed description of major integrated circuits and their functions.
Details on the phone's power inputs and supply voltages.
Information on battery types, short circuit protection, and charging.
Procedure for charging a deeply discharged battery.
List of spare parts for the C35 series with part numbers.
Step-by-step guide for opening the C35 casing.
Instructions for disassembling and reassembling the lower housing assembly.
Instructions for disassembling and reassembling the control board assembly.
Step-by-step guide for reassembling the C35 phone.
Instructions for disassembling and reassembling the upper housing assembly.
Procedures for mobile software programming and updating the firmware.
Processes for initializing phone settings specific to the customer.
Procedure for unblocking the phone using a master phone code.
Importance of quality standards and overview of testing systems.
Description of the automated testing system for fault detection.
Steps for installing and configuring test software for GSM testers.
Procedure for executing test sequences on mobile phones using test equipment.
Pinout configurations for serial cables connecting PC to GSM testers.
Jumper settings for power supply and information on test SIM cards.
Scope of limited component repairs for C/M/S35 product family.
Diagnosis and repair procedures for antenna connector issues.
Diagnosis and repair procedures for ringer problems.
Diagnosis and repair procedures for the bottom (Lumberg) connector.
Diagnosis and repair procedures for display connector problems.
Diagnosis and repair procedures for keyboard illumination issues.
Diagnosis and repair procedures for display illumination problems.
Diagnosis and repair procedures for infrared diode connectivity.
Details on various power plugs, desktop, and travel chargers.
Information on different car kit configurations for hands-free operation.
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