User Guide

Figure 15 Insert SIM card fault

Figure 16 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.

RM-392; RM-393

Baseband Troubleshooting Instructions

Issue 1 COMPANY CONFIDENTIAL Page 3 –13