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U8185
Maintenance Manual
Figure 9-33 microSD card not detected
9.4.10 FM
Figure 9-34 Circuit schematic diagram
Issue 1.0 (2012-03-23)
microSD card not detected
Replace the microSD card. Problem
solved?
N
Remove and then insert the card. Is
SDCC_DETECT's voltage changed?
N
Is the microSD card slot soldered
properly?
Y
Send the phone to an
advanced service site for
repair
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Principles and Failure Analysis
Y
End
Re-installed the
Y
software and verify
again
N
Re-solder or replace it
67
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