Figure 18 SIM voltages, no ATR
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.
Figure 19 SIM voltages, normal startup at 3V
RM-704
BB Troubleshooting and Manual Tuning Guide
Page 3 – 16 COMPANY CONFIDENTIAL Issue 1
Copyright © 2011 Nokia. All rights reserved.
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