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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-4. SIM Part
INSERT SIM CARD
YES
예
YES
END
NO
Change SIM card.
If sim card does not work after change,
check CN7000 (Crack etc).
SIM is OK?
YES
NO
Swap SIM socket
Check SIM RST / CLK / DATA.
(SIM1 : TP7023, TP7022, R7014)
Signal OK?
NO
YES
Check U4000 (Crack etc)
Check voltage of SIM card
(C7052) 1.8V or 3.0V?
Summary of Contents for Galaxy A52s
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