Mobile Device 
 
SM-G9550 Common 
 
 
 
CONTENTS 
1.  Safety Precautions 
2.  Specification 
3.  Product Function 
4.   Exploded View and Parts list  
5.   MAIN Electrical Parts List 
6.   Level 1 Repair 
7.   Level 2 Repair 
8.   Level 3 Repair 
9.   Reference data 
   
 Notice: All functionality, features, specifications, 
and other product information provided in this 
document, including but not limited to, benefits, 
design, pricing, components, performance, 
availability, and capabiliti-es of the product are 
subject to change without notice. Samsung 
reserves the right to alter this doc-ument or the 
product described herein at anytime, without 
obligation to provide notification of such 
changes. 
 
 
This Service Manual is a property of Samsung Electronics Co.,Ltd. 
Any unauthorized use of Manual can be punished under applicable 
International and/or domestic law. 
 
ⓒ 
Samsung Electronics Co.,Ltd 
 
2017. 04. Rev 1.0 
 
 
2. Specification 
 
 
2-1. GSM & WCDMA General Specification 
 
  
GSM850 
EGSM 900 
DCS1800 
PCS1900 
WCDMA 
2100 
WCDMA 
1900 
WCMDA 
850 
Freq.   
Band[MHz] 
Uplink/ 
Downlink 
824.2~848.8 
869.2~893.8 
876.2~914.8 
921.2~959.8 
.8 
.8 
.8 
.8 
1710.2~1784
1850.2~1909
1922.4~1977
1852.4~1907
1805.2~1879
1930.2~1989
2112.4~2167
1932.4~1987
826.4~846.6
871.4~891.6
.6 
.6 
UL: 
DL: 
8 
.6 
.6 
UL: 
DL: 
9612~9888 
10562~1083
9262~9538 
4132~4233
9662~9938 
4357~4458
UL: 
DL: 
ARFCN 
range 
128~251 
0~124 
& 975~1023 
512~885 
512~810 
Tx/Rx 
spacing 
45MHz 
45MHz 
95MHz 
80MHz 
190MHz 
80MHz 
45MHz 
Mod. Bit 
rate/ 
Bit Period 
270.833kbps 
3.692us 
270.833kbps 
3.692us 
270.833kbps
3.692us 
270.833kbps
3.692us 
3.84Mcps 
3.84Mcps 
3.84Mcps 
Time Slot 
Period/ 
Frame 
Period 
576.9us 
4.615ms 
576.9us 
4.615ms 
576.9us 
4.615ms 
576.9us 
4.615ms 
FrameLengt
FrameLengt
FrameLengt
h: 
10ms 
h: 
10ms 
h: 
10ms 
Slotlength: 
0.667ms 
Slotlength: 
0.667ms 
Slotlength:
0.667ms 
Modulation 
0.3GMSK 
0.3GMSK 
0.3GMSK 
0.3GMSK  QPSK/16QA
M 
QPSK/16QA
M 
QPSK/16QA
M 
MS Power  33dBm~5dB
m 
32.5dBm~5d
Bm 
29.5dBm~0d
Bm 
29.5dBm~0d
Bm 
24dBm~ 
-50dBm 
24dBm~ 
-50dBm 
24dBm~ 
-50dBm 
Power Class  5pcl ~ 19pcl  5pcl ~ 19pcl 
0pcl ~ 15pcl
0pcl ~ 15pcl
3(max+24dBm)  3(max+24dBm) 3(max+24dBm)
Sensitivity 
-102dBm 
-102dBm 
-100dBm 
-100dBm 
-106.7dBm 
-104.7dBm 
-104.7dBm
TDMA Mux 
8 
8 
8 
8 
- 
- 
- 
Cell Radius 
35Km 
35Km 
35Km 
35Km 
2Km 
2Km 
2Km 
 
 
 
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. 
 
2. Specification 
 
 
 
Freq. 
Band[MHz] 
Uplink/ 
Downlink 
ARFCN range 
WCDMA 
900 
882.4~912.6 
927.4~957.6 
TDSCDMA 
2000 
TDSCDMA 
1900 
2010 ~ 2025 
1880 ~ 1920 
UL: 
DL: 
9262~9538 
9662~9938 
10050 ~ 10125 
9400 ~ 9600 
Tx/Rx spacing 
45MHz 
- 
- 
Mod. Bit rate/ 
Bit Period 
Time Slot Period/ 
Frame Period 
3.84Mcps 
1.28Mcps 
1.28Mcps 
FrameLength: 
10ms 
Slotlength: 
0.667ms 
FrameLength: 
10ms 
Slotlength: 
0.675ms 
FrameLength: 
10ms 
Slotlength: 
0.675ms 
Modulation 
QPSK/16QAM 
QPSK/8PSK 
QPSK/8PSK 
MS Power 
24dBm~ 
-50dBm 
24dBm~ 
-48dBm 
24dBm~ 
-48dBm 
Power Class 
3(max+24dBm) 
2(max+24dBm) 
2(max+24dBm) 
Sensitivity 
-103.7dBm 
-107.3dBm 
-107.3dBm 
TDMA Mux 
Cell Radius 
- 
2Km 
- 
- 
11.25Km 
11.25Km 
 
 
 
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. 
 
2. Specification 
 
 
2-2. LTE General Specification 
 
 
LTE Band1 
LTE Band2 
LTE Band3 
LTE Band4 
LTE Band5 
Freq. 
Band[MHz] 
Uplink/ 
Downlink 
ARFCN range 
1920~1980 
2110~2170 
1850~1910 
1930~1990 
1710~1785 
1805~1880 
1710~1755 
2110~2155 
824~849 
869~894 
UL: 
DL: 
0~599 
UL: 
DL: 
UL: 
DL: 
UL: 
DL: 
UL: 
DL: 
18000~18599 
18600~19199 
19200~19949 
19950~20399 
20400~20649 
600~1199 
1200~1949 
1950~2399 
2400~2649 
Tx/Rx spacing 
190MHz 
80MHz 
95MHz 
400MHz 
45MHz 
Channel 
Bandwidth 
5/10/15/20 MHz  1.4/3/5/10/15/20 
MHz 
1.4/3/5/10/15/20 
MHz 
1.4/3/5/10/15/20 
MHz 
1.4/3/5/10 MHz
Modulation 
QPSK,16/64QAM  QPSK,16/64QAM QPSK,16/64QAM QPSK,16/64QAM  QPSK,16/64QAM
MS Power 
(MPR) 
Sensitivit 
(QPSK) 
(BW 10MHz) 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-96.3 dBm 
-94.3 dBm 
-93.3 dBm 
-96.3 dBm 
-94.3 dBm 
Cell Radius 
>5Km 
>5Km 
>5Km 
>5Km 
>5Km 
 
 
 
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. 
 
2. Specification 
 
 
 
LTE Band7  
LTE Band8  
LTE Band12  
LTE Band13  
LTE Band17  
Freq.  
Band[MHz]  
Uplink/  
Downlink  
ARFCN range  
2500~2570  
2620~2690  
880~915  
925~960  
699~716  
729~746  
777~787  
746~756  
704~716  
734~746  
UL:  
DL:  
UL:  
DL:  
UL:  
DL:  
UL: 
DL: 
20750~21449  
2712~2863  
23010~23179  
23180~23279  
23730~23849  
2750~3449  
2937~3088  
5010~5179  
5180~5279  
5730~5849  
UL:  
DL:  
Tx/Rx spacing  
120MHz  
45MHz  
30MHz  
-31MHz  
30MHz  
Channel 
Bandwidth  
5/10/15/20 MHz   1.4/3/5/10 MHz
1.4/3/5/10 MHz
5/10 MHz  
5/10 MHz  
Modulation  
QPSK,16/64QAM  QPSK,16/64QAM QPSK,16/64QAM QPSK,16/64QAM  QPSK,16/64QAM
MS Power  
(MPR)  
Sensitivit  
(QPSK)  
(BW 10MHz)  
-35~25.7 dBm  
-35~25.7 dBm  
-35~25.7 dBm  
-35~25.7 dBm  
-35~25.7 dBm  
-94.3 dBm  
-93.3 dBm  
-93.3 dBm  
-93.3 dBm  
-93.3 dBm  
Cell Radius  
>5Km  
>5Km  
>5Km  
>5Km  
>5Km  
 
 
 
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. 
 
2. Specification 
 
 
 
LTE Band18 
LTE Band19 
LTE Band20 
LTE Band25 
LTE Band26 
Freq. 
Band[MHz] 
Uplink/ 
Downlink 
ARFCN range 
815~830 
860~875 
830~845 
875~890 
832~862 
791~821 
1850~1915 
1930~1995 
814~849 
859~894 
UL: 
DL: 
UL: 
DL: 
UL: 
DL: 
UL: 
DL: 
UL: 
DL: 
23850~23999 
24000~24190 
24150~24449 
26040~26689 
26690~27039 
5850~5999 
6000~6149 
6150~6449 
8040~8689 
8690~9039 
Tx/Rx spacing 
45MHz 
45MHz 
-41MHz 
80MHz 
45MHz 
Channel 
Bandwidth 
5/10/15 MHz 
5/10/15 MHz 
5/10/15/20 MHz 1.4/3/5/10/15/20 
MHz 
1.4/3/5/10/15 
MHz 
Modulation 
QPSK,16/64QAM  QPSK,16/64QAM QPSK,16/64QAM QPSK,16/64QAM  QPSK,16/64QAM
MS Power 
(MPR) 
Sensitivit 
(QPSK) 
(BW 10MHz) 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-35~25.7 dBm 
-96.3 dBm 
-96.3 dBm 
-93.3dBm 
-92.8 dBm 
-93.8dBm 
Cell Radius 
>5Km 
>5Km 
>5Km 
>5Km 
>5Km 
 
 
 
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. 
 
2. Specification 
 
 
  
Freq.   
Band[MHz]  
Uplink/  
Downlink  
ARFCN range  
Tx/Rx spacing  
LTE Band28  
703~748  
758~803  
UL:  
DL:  
27210-27659  
9210-9659  
55MHZ  
Channel Bandwidth  
3/5/10/15/20 MHz  
Modulation  
MS Power  
(MPR)  
Sensitivit  
(QPSK)  
(BW 10MHz)   
Cell Radius  
 
 
 
QPSK,16/64QAM  
-35~25.7 dBm  
-94dBm  
>5Km  
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.