Level 3 Repair
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8-12
8-3-4. Sim Part
R330
R327
R326
CP_VSIM
C
3
5
1
NFC_SIMVCC
R322
VTF_2.8V
N
C
1
7
1
8
N
C
N
C
1
9
2
0
N
C
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
1 1
10 10
11 11
12 12
13
13
14 14
15 15
16
16
HDC300
R325
TP_330
C350
CP_VSIM
R323
1
2
4
3
5
6
ZD300
C349
R328
R
32
4
TP_331
TP_329
R329
SIM_RST
SIM_IO
SIM_CLK
T_FLASH_D(1)
T_FLASH_D(2)
T_FLASH_D(3)
T_FLASH_CMD
NFC_SWP
T_FLASH_DETECT
T_FLASH_CLK
T_FLASH_D(0)
Insert SIM card
Check the Pin Soldering
of HDC300
Yes
Yes
No
END
Check the SIM Voltage.
(R324) >= 1.8 or 3.0?
Resoldering and recheck
Change to the new SIM card.
If it doesn`t still work SIM card after changeing
the SIM card, Check the UCP300 (Crack etc)
Yes
No