NEC N8 Service Manual page 20

TEST EQUIPMENT AND TOOLS FOR SERVICE LEVEL 1
No GSM tester and soldering are required for Service Level 1. The following
equipment and tools are recommended for this level.
1. Fully charged battery :
Use as a power source or a temporary replacement of original battery for faulty
equipment.
2. Workable SIM card :
Use to test the performance and functions of faulty equipment.
3. Rubber :
Use to clean electronic contacts, such as battery terminals, etc.
4. AC Adapter :
Use to test the charging function of faulty equipment and / or battery.
5. Simple Handsfree Kit.
Use to test the Handsfree relevant functions of faulty equipment.
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