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Only for training and service purposes
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4. TROUBLE SHOOTING
z Connection between SIM and DBB
- SIM_CLK, SIM_IO, SIM_RST, SIM_PWRCTRL
z Check Points
- Contact between SIM and socket
- Soldering of SIM socket
z Trouble Shooting
- Insert the SIM into socket
- Connect PIF_UNION Jig to the phone, and Power on
z Trouble Shooting Procedure
-Check the power supply
- Check the soldering of SIM socket
-Check the SIM
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