Sim Card Rejected - Nokia RM-305 Service Manual

RM-305; RM-306
Baseband troubleshooting
Figure 14 Insert SIM card fault
Figure 15 Signal diagram

SIM card rejected

The error "SIM card rejected" means that the ATR message received from SIM card is corrupted, e.g. data
signal levels are wrong. The first data is always ATR and it is sent from card to phone.
For reference a picture with normal SIM power-up is shown below.
Issue 2 COMPANY CONFIDENTIAL Page 4 –11
Copyright © 2007 Nokia. All rights reserved.