Figure 12 No charging current
Single SIM card troubleshooting
Cannot identify SIM card
The hardware of the SIM interface from XGOLD213 (D3100) to the SIM connector (X2750) can be tested without
a SIM card. When the phone is switched on, the phone first checks for a 1.8V SIM card, and then for a 3V SIM
card. The phone will try this several times, where after it will display “Insert SIM card”.
Figure 13 Cannot identify SIM card
RM-761; RM-799; RM-800
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 – 15
Copyright © 2011 Nokia. All rights reserved.
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