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SM-S921U
Samsung SM-S921U Manuals
Manuals and User Guides for Samsung SM-S921U. We have
1
Samsung SM-S921U manual available for free PDF download: Repair Manual
Samsung SM-S921U Repair Manual (122 pages)
Brand:
Samsung
| Category:
Cell Phone
| Size: 30.44 MB
Table of Contents
Table of Contents
2
Usage Notices
4
Precautions for Repair
4
ESD (Electrostatic Discharge) Precautions
5
Instructional Icons
6
Software Update
7
Updating Software through FOTA
7
Software Update Failure
7
Updating Software through Smart Switch
7
Recovering from a Software Update Failure
8
Recovering on Another Computer
8
Performing a Factory Data Reset
9
Quality Test
11
Quality Test Using the Samsung Members App
11
Device Diagnostics
11
Test Items
12
Cal Ibrations
25
Calibrations
25
Used Parts and Calibration Functions in Supported Models
25
Using the Self Repair Assistant App
26
Optical Fingerprint Sensor Calibration
31
Resetting the Battery Cycle Count
34
Range Sensor Calibration
37
Touch Screen Panel Calibration
39
Speaker Calibration
41
Under-Display Camera Calibration (Fold Models Only)
43
Digital Hall Sensor Calibration (Fold and Flip Models Only)
45
Exploded View and Parts List
48
Exploded View
48
Parts List
49
Disassembly and Assembly
50
Tools for Disassembly and Assembly
50
Fasteners (Adhesives and Materials) for Assembly
53
Disassembly for Replacement
55
SIM Card Tray Remove
56
Button Remove
57
Back Cover Remove
59
Wireless Charging Module and Bottom Speaker Remove
70
Charging Port Remove
73
Main Board Remove
75
Camera Remove
81
5G Mmwave Antenna Remove
86
Screen Module
91
Reassembly for Replacement
92
5G Mmwave Antenna Assembly
93
Camera Assembly
99
Main Board Assembly
103
Charging Port Assembly
109
Wireless Charging Module and Bottom Speaker Assembly
112
Back Cover Assembly
114
Button Assembly
118
SIM Card Tray Assembly
120
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