LG LG-D855 User manual

Internal Use Only
Service Manual
LG-D855
Date: July, 2014 / Issue 1.0

- 2 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information.........................................................................3
1.3 Specications.............................................................................................5
2. PERFORMANCE.................................................................... 10
2.1 Product Name......................................................................................... 10
2.2 Supporting Standard........................................................................... 10
2.3 Main Parts & Solution .......................................................................... 11
2.4 HW Features ............................................................................................ 12
2.5 SW Features............................................................................................. 16
2.6 H/W SPEC.................................................................................................. 19
3. TROUBLE SHOOTING .......................................................... 41
3.1 Checking XO Block................................................................................ 42
3.2 Checking Transceiver DC Power Supply Circuit Block............ 43
3.3 Checking DC-DC Block........................................................................ 45
3.4 ASM(Antenna Switch Module) Block............................................ 47
3.5 GSM RF Part ............................................................................................. 51
3.6 WCDMA RF Part...................................................................................... 65
3.7 LTE RF Part................................................................................................ 83
3.8 BT&WIFI&FM PART ..............................................................................128
3.9 GPS Part...................................................................................................134
3.10 NFC Part................................................................................................140
3.11 Power.....................................................................................................143
3.12 Charger .................................................................................................147
3.13 Audio .....................................................................................................149
3.14 LCD .........................................................................................................169
3.15 Touch .....................................................................................................172
3.16 Sensor....................................................................................................175
3.17 Remote Sensor (IRRC Sensor)......................................................183
3.18 USB/Slimport......................................................................................185
3.19 CAMERA................................................................................................187
4. DOWNLOAD.......................................................................194
5. BLOCK DIAGRAM..............................................................211
6. CIRCUIT DIAGRAM ............................................................220
7. BGA PIN MAP .....................................................................244
8. PCB LAYOUT.......................................................................263
9. CALIBRATION.....................................................................268
10. HIDDEN MENU.................................................................287
11. DISASSEMBLE GUIDE......................................................309
12. EXPLODED VIEW & REPLACEMENT PART LIST .............315

- 3 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
1. INTRODUCTION
LGE Internal Use Only
1.1 Purpose
This manual provides the information necessary to repair, calibration, description and download the features of
this model.
1.2 Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons
other than your company’s employees, agents, subcontractors, or person working on your company’s behalf)
can result in substantial additional charges for your telecommunications services.
System users are responsible for the security of own system. There are may be risks of toll fraud associated with
your telecommunications system. System users are responsible for programming and configuring the
equipment to prevent unauthorized use. The manufacturer does not warrant that this product is immune from
the above case but will prevent unauthorized use of common carrier telecommunication service of facilities
accessed through or connected to it. The manufacturer will not be responsible for any charges that result from
such unauthorized use.
B. Incidence of Harm
If a telephone company determines that the equipment provided to customer is faulty and possibly causing
harm or interruption in service to the telephone network, it should disconnect telephone service until repair can
be done. A telephone company may temporarily disconnect service as long as repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or procedure. If these changes
could reasonably be expected to affect the use of the phones or compatibility with the net work, the telephone
company is required to give advanced written notice to the user, allowing the user to take appropriate steps to
maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on the phones must be performed only by the manufacturer or its authorized agent.
The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note
that unauthorized alternations or repair may affect the regulatory status of the system and may void any
remaining warranty.

- 4 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
LGE Internal Use Only
E. Notice of Radiated Emissions
This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory
agencies. In accordance with these agencies, you may be required to provide information such as the following
to the end user.
F. Pictures
The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.
G. Interference and Attenuation
A phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from
unsuppressed engines or electric motors may cause problems.
H. Electrostatic Sensitive Devices
ATTENTION
Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign.
Following information is ESD handling:
• Service personnel should ground themselves by using a wrist strap when exchange system boards. • When
repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded.
• Use a suitable, grounded soldering iron. • Keep sensitive parts in these protective packages until these are used.
• When returning system boards or parts like EEPROM to the factory, use the protective package as described.

- 5 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
1. Introduction
1. 3. Specifications
KEY FEATURES
• Android 4.4.2 - Powered Smartphone
• Up to 7 Customizable Home Screens
• 5.46” Touch Screen
• 13MP AF with dual flash, 2.1M VT Image sensor
• 4G Mobile Hots
p
ot
p
• DivX® H.264, H.263 Capable
ENHANCED USER EXPERIENCE
• Android 4.4.2
• Home Screens – customize 5 or 7 screens with shortcuts to apps, favorites, and widgets
• QWERTY Keyboard with Skype® – use one continuous finger motion to input text when composing a
message
• Exchange Support – improved security, remote wipe capability for Exchange administrators, support for
Exchange calendars in the Calendar application, auto-discovery for easy setup and syncing of an
Exchange account,* and Global Address Lists lookup in the Email application
• Proximity Sensor – locks the touch screen and buttons while talking on the phone
• Motion Sensor – Digital compass , Accelerometer
•
USB Charging via Computer
•
USB
Charging
via
Computer
• Airplane Mode (RF Off)
*Available for Exchange 2007 and higher.
DESIGN
• Sleek and Stylish Design
• 5.46” Display
• Capacitive Touch Screen – Glass with fast and accurate response
• Touch Vibration for Tactile Feedback*
• Micro USB Charging Port
*Only available on certain interactions with the touch screen.
MOBILE MEDIA
Android Market™
browse and download thousands of free and paid apps from around the world†
4
•
Android
Market™
–
browse
and
download
thousands
of
free
and
paid
apps
from
around
the
world†
• Live Wallpaper – dynamic, animated backgrounds
1.3 Specications

- 6 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
1. Introduction
• Full Web Browsing
• Connect to Social Networks – send quick updates to Twitter™, Facebook®, MySpace™,* or added
social networks†
• Mobile Instant Messaging – Google Talk™, AIM®,* Yahoo!® Messenger,* Windows Live™*†
• Gmail™ and Email – mobile personal and corporate email†
• Visual Voice Mail†
• Text, Picture, Video, and Voice Messaging†
• Flash 10.1 for Mobile Devices
J S t
CAMERA/VIDEO
•
J
ava
S
uppor
t
*Applications downloaded from Android Market.
13MP AF/OIS ith d l fl h 2 1M VT I d C d *
•
13MP
AF/OIS
w
ith
d
ua
l
fl
as
h
,
2
.
1M
VT
I
mage sensor an
d
C
amcor
d
er
*
• Camera Resolutions: 13M(4160x3120(4:3)), W10M(4160x2340(16:9)), 9M(3120x3120(1:1)), 3M(2048 x
1536(4:3))
• Camera and Video Zoom: up to 8x
• Image Editor: Zoom, Exposure, Artistic Effect, Color, Adjustment
• Brightness, ISO, White Balance,* Color Effects, Scene Mode, Timer
• Burst Shot – take 20 shots in
q
uick succession
q
• Video Resolutions: UHD(3840 x 2160), FHD(1920 x 1080), HD(1280 x 720), 120-HD(Slow motion)
• Front-facing camera Resolutions: W2M(1920 x 1080), 1M(1280 x 960)
• *Available in both video and camera modes.
MULTIMEDIA
• Video Player for WMV, MP4, MKV, 3GP, and 3G2 Formats
• Music Player for MP3, WMA, and Unprotected AAC
• Stereo Sound via Headset or Bluetooth
• Multitask While Playing Music in the Background
5
• Music Library – Organized by Artists, Albums, Songs, Genres, Folders and Playlists
• Repeat and Shuffle Music Playback Modes

- 7 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
1. Introduction
• microSD Memory Slot with Support for up to 32GB Storage
• USB Mass Storage – transfer files between microSD™ card and PC*
BLUETOOTH®
• Version: 4.0
• Save up to 100 Bluetooth Pairings*
S t d P fil h d t h d
f bj t h d d di di t ib ti ( t ) di / id
•
S
uppor
t
e
d
P
ro
fil
es:
h
ea
d
se
t
,
h
an
d
s-
f
ree, o
bj
ec
t
pus
h
, a
d
vance
d
au
di
o
di
s
t
r
ib
u
ti
on
(
s
t
ereo
)
, au
di
o
/
v
id
eo
remote control, file transfer, phone book access, message access, serial port
• Listen to Music with Optional Stereo Bluetooth Headset**
• Send User-Generated Pictures (JPEG) and Videos via Bluetooth Wireless Technology
*Depends on available memory.
**Accessories sold separately.
VOICE/AUDIO
• One-Touch Speakerphone*
• Voice Clarity*
• Voice Commands
Voice
Activated Dialing
•
Voice
-
Activated
Dialing
• Text to Speech
• MP3 Music Ringer Support (clips from hit songs)†
• Voice Memo Recording
• More 20 Unique Ringtones + Vibrate and Silent Modes
• TTY Support
TOOLS & DATA
•Android Apps: Browser, Calculator, Calendar (Corporate or Google), Camera, Clock, Contacts, Email, Gallery,
6
Gmail, Market, Messaging, Music, Phone, Settings, Voice Dialer, Voice Recorder, Voice Search
•Metro Navigator® – spoken turn-by-turn directions showing real-time traffic
•Wi-Fi Connectivity – IEEE 802.11 a/b/g/n, ac

- 8 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
• Phone Book – unlimited fields* for numbers, emails, physical addresses, IM screen names, notes,
nickname
,
web addresses
,
s
p
ecial dates
,
and a
p
icture ID**
1. Introduction
, , p , p
• FOTA Capable – upgrade rmware over the air†
• S-GPS and A-GPS Support for Enhanced Location Accuracy
*Depends on available memory.
**Dependent on photos stored in your gallery.
SPECIFICATIONS
•
T
echnology: GSM/ WCDMA /LTE/GPS/ WiFI/ BT /NFC
•Frequencies:
Support Band TX Freq (MHz) RX Freq (MHz)
GSM850 824-849 869-894
GSM900 880-915 925-960
DCS1800 1710-1785 1805-1880
PCS1900 1850-1910 1930-1990
W2100(B1) 1920-1980 2110-2170
W1900(B2) 1850-1910 1930-1990
W850(B5) 824-849 869-894
W900(B8) 880-915 925-960
LTE B1 1920-1980 2110-2170
LTE B3 1710-1785 1805-1880
LTE B7 2500-2570 2620-2690
LTE B8 880-915 925-960
LTE B20 832-862 791-821
LTE B28A 718-748 773-803
LTE B28B 703-733 758-788
LTE B40 2300-2400
BT/WiFi 2400 MHz ~ 2483.5 MHz & 5150 MHz ~ 5825 MHz
GPS 1574.42 MHz ~ 1576.42 MHz, 1597.55MHz ~ 1605.86MHz
NFC 13.56MHz
7

- 9 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
•Data Transmission: EDGE, GPRS (Class 12) , HSPA+(Cat. 24) HSUPA(Cat. 6),
LTE
(
Cat 3
)
( )
• Dimensions: 146.3(H) x 74.6(W) x 8.95(D) (mm)
• Weight: 149g ( with Battery)
• Display: 5.46”, TFT
• Standard Battery: min. 2940[mAh], typ. 3000[mAh]
• Internal Memory Size: 16Gb(SDRAM DDR3) + 16GB eMMC
ACCESSORIES
• Standard Battery*
• Travel Adapter and USB Data Cable*
• Bluetooth Headset (Optional)
• Bluetooth Hands-free kit (Optional)
• Stereo Headset*
• Vehicle Power Charger (VPC) (Optional)
8

2. PERFORMANCE
- 10 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. PERFORMANCE
2.1 Product Name
LG-D855 : LTE B1/3/7/8/20/28A/28B/40+WCDMA850/900/1900/2100+GSM850/EGSM/DCS/PCS (HSPA+ 42Mbps(cat24)/ HSUPA
5.8Mbps(cat6) / GPRS Class12/EDGE Class12)
2.2 Supporting Standard
LGE Internal Use Only
2.1 Product Name
LG-D855 : LTE B1/3/7/8/20/28A/28B/40+WCDMA850/900/1900/2100+GSM850/EGSM/DCS/PCS
(HSPA+ 42Mbps(cat24)/ HSUPA 5.8Mbps(cat6) / GPRS Class12/EDGE Class12)
2.2 Supporting Standard
Item Feature Comment
Supporting Standard
LTE (FDD B1/3/7/8/20/28(A/B)/40)
WCDMA (FDD1,2,5,8)
EGSM/GSM850/DCS1800/PCS1900 with seamless
handover
Frequency Range
LTE(FDD1) Tx : 1920 – 1980 MHz
LTE(FDD1) Rx : 2110 – 2170 MHz
LTE(FDD3) Tx : 1710 – 1785 MHz
LTE(FDD3) Rx : 1805 – 1880 MHz
LTE(FDD7) Tx : 2500 – 2570 MHz
LTE(FDD7) Rx : 2620 – 2690 MHz
LTE(FDD8) Tx : 880 – 915 MHz
LTE(FDD8) Rx : 925 – 960 MHz
LTE(FDD20) Tx : 832 – 862 MHz
LTE(FDD20) Rx : 791 – 821 MHz
LTE(FDD28A) Tx : 718 – 748 MHz
LTE(FDD28A) Rx : 773 – 803 MHz
LTE(FDD28B) Tx : 703 – 733 MHz
LTE(FDD28B) Rx : 758 – 788 MHz
LTE(TDD40) 2300 – 2400 MHz
WCDMA(FDD1) TX : 1920 – 1980 MHz
WCDMA(FDD1) RX : 2110 – 2170 MHz
WCDMA(FDD2) TX : 1850 – 1910 MHz
WCDMA(FDD2) RX : 1930 – 1990 MHz
WCDMA(FDD5) TX : 824 – 849 MHz

2. PERFORMANCE
- 11 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
WCDMA(FDD5) RX : 869 – 894 MHz
WCDMA(FDD8) TX : 880 – 915 MHz
WCDMA(FDD8) RX : 925 – 960 MHz
EGSM TX : 880 – 915 MHz
EGSM RX : 925 – 960 MHz
GSM850 TX : 824 – 849 MHz
GSM850 RX : 869 – 894 MHz
GSM900 TX : 880 – 915 MHz
GSM900 RX : 925 – 960 MHz
DCS1800 TX : 1710 – 1785 MHz
DCS1800 RX : 1805 – 1880 MHz
PCS1900 TX : 1850 – 1910 MHz
PCS1900 RX : 1930 – 1990 MHz
Application Standard WAP 2.0
2.3 Main Parts & Solution
Item Part Name Comment
Digital Baseband MSM8974AC : Qualcomm
Analog Baseband MSM8974AC : Qualcomm
RF Chip WTR1625L : Qualcomm
2.3 Main Parts & Solution
LGE Internal Use Only
WCDMA(FDD5) RX : 869 – 894 MHz
WCDMA(FDD8) TX : 880 – 915 MHz
WCDMA(FDD8) RX : 925 – 960 MHz
EGSM TX : 880 – 915 MHz
EGSM RX : 925 – 960 MHz
GSM850 TX : 824 – 849 MHz
GSM850 RX : 869 – 894 MHz
GSM900 TX : 880 – 915 MHz
GSM900 RX : 925 – 960 MHz
DCS1800 TX : 1710 – 1785 MHz
DCS1800 RX : 1805 – 1880 MHz
PCS1900 TX : 1850 – 1910 MHz
PCS1900 RX : 1930 – 1990 MHz
Application Standard WAP 2.0
2.3 Main Parts & Solution
Item Part Name Comment
Digital Baseband MSM8974AC : Qualcomm
Analog Baseband MSM8974AC : Qualcomm
RF Chip WTR1625L : Qualcomm

2. PERFORMANCE
- 12 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2.4 HW Features
LGE Internal Use Only
2.4 HW Features
Item Feature Comment
Form Factor DOP type
Battery
1) Capacity
Standard : Li-Ion polymer, 3000mAh
2) Packing Type : Soft Pack
Size
Standard :
146.3 x 74.6 x 8.95
Weight About 149g With Battery
RX sensitivity
WCDMA(FDD1) : -109 dBm
WCDMA(FDD2) : -108 dBm
WCDMA(FDD5) : -109 dBm
WCDMA(FDD8) : -109 dBm
EGSM : -109 dBm
GSM850 : -109 dBm
DCS 1800 : -108 dBm
PCS 1900 : -107 dBm
LTE : - 97dBm
TX output power
WCDMA/
GSM/
LTE/
GPRS
WCDMA B1,2,5,8 :
23dBm/3.84MHz,+1/-3dBm
EGSM : 33dBm
GSM850 : 33dBm
DCS1800 : 30dBm
PCS 1900: 30dBm
LTE
B1/B3/B7/B8/B20/B28A/B28
B/B40 :
23dBm
EDGE compatibility GPRS Class 12
SIM card
type
EDGE
Class 12
Class3(WCDMA)
Class4 (EGSM)
Class4 (GSM850)
Class1 (PCS)
Class1 (DCS)
Class3(LTE)

2. PERFORMANCE
- 13 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
Plug-In
SIM
3V /1.8V
E2 (GSM900)
E2 (PCS)
E2 (DCS)
Display
Main LCD
TFT Main LCD
(5.46”, 2560 X 1440 Pixels)
Built-in Camera 13M AF + 2.1M VT
Status Indicator Yes
Keypad Full Touch Screen
Back Key : 3
Back Key : Power On
Volume up/down
ANT Main : Internal Fixed Type
System connector 5 Pin u-USB
Ear Phone Jack 3.5 pi type
PC synchronization Yes
Memory 2GB(SDRAM LPDDR3)
+ 16GB eMMC
Speech coding FR, EFR, HR,AMR
Vibrator Built in Vibrator
Blue Tooth Bluetooth 4.0+BLE
MIDI(for Buzzer
Function) SW Decoded 72Poly
Music Player MP3/WMA/AAC/MIDI/EAAC+/HE
AAC/OGG
Video Player MPEG4, H.264
Camcorder MPEG4 or H.263
Voice Recording Yes
Speaker Phone mode
Support Yes
Travel Adapter Yes
CDROM No
Stereo Headset Yes
Data Cable Yes
T-Flash
(External Memory) No

2. PERFORMANCE
- 14 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1) RSSI Display
LGE Internal Use Only
1)RSSI Display
Specification
LTE WCDMA GSM
BAR 5->4 -86 dBm ± 4dB -87 dBm ± 4dB -90 dBm ± 2dB
Antenna BAR
BAR 4->3 -96 dBm ± 4dB -92 dBm ± 4dB -96 dBm ± 2dB
BAR 3->2 -106 dBm ± 4dB -98 dBm ± 4dB -98 dBm ± 2dB
BAR 2->1 -116 dBm ± 4dB -102 dBm ± 4dB -102 dBm ± 2dB
BAR 1->0 -128 dBm ± 4dB -108 dBm ± 4dB -104 dBm ± 2dB
BAR 1-> No
service No service No service No service
Measure RSSI after 10 seconds if you change power.
2) Charging Time
3.5 hour under (3000mAh battery, 1.8A T/A)
3) Travel Charger
Input : 100 ~ 240 V, 50/60 Hz
Output : 5.0V, 1800 mA
4) Battery Type
Li-ion polymer Battery Pack, 3000 mAh
Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V
Measure RSSI after 10 seconds if you change power.
2) Charging Time
3.5 hour under (3000mAh battery, 1.8A T/A)
3) Travel Charger
Input : 100 ~ 240 V, 50/60 Hz
Output : 5.0V, 1800 mA
4) Battery Type
Li-ion polymer Battery Pack, 3000 mAh
Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V

2. PERFORMANCE
- 15 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
5) Current Consumption
Item WCDMA Only GSM Only LTE Comment
Standby 8.5 ↓ mA (DRX 7) 8.5 ↓ mA(PP=5) 15mA
(DRX 2.56)
GPS & Wifi Off
Neighborhood
Cell Off,
LCD Off
Talk Mode
- Max Pwr :
650 ↓ mA @ Avg
- Tx 10dBm :
400 ↓ mA @ Avg
400 ↓ mA(Tx Lvl: 5) 450mA
(10dBm)
GPS & Wifi Off
Neighborhood
Cell Off,
LCD Off
Power Off ↓ 300uA ↓ 300uA ↓ 300uA
6) Battery Bar
Battery Bar Specification Battery Bar Specification
Bar 20(Full) 98% Bar 9 -> Bar 8 43% -> 42%
Bar 20 -> Bar 19 98% -> 97% Bar 8 -> Bar 7 38% -> 37%
Bar 19 -> Bar 18 93% -> 92% Bar 7 -> Bar 6 33% -> 32%
Bar 18 -> Bar 17 88% -> 87% Bar 6 -> Bar 5 28% -> 27%
Bar 17 -> Bar 16 83% -> 82% Bar 5 -> Bar 4 23% -> 22%
Bar 16 -> Bar 15 78% -> 77% Bar 4 -> Bar 3 16% -> 15%
Bar 15 -> Bar 14 73% -> 72% Bar 3 -> Bar 2 13% -> 12%
Bar 14 -> Bar 13 68% -> 67% Bar 2 -> Bar 1 8% -> 7%
Bar 13 -> Bar 12 63% -> 62% Bar 1 -> Bar 0 3% -> 2%
Bar 12 -> Bar 11 58% -> 57% Power off 1%
Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 0%
Bar 10 -> Bar 9 48% -> 47%
LGE Internal Use Only
5) Current Consumption
Item WCDMA Only GSM Only LTE Comment
Standby 8.5 ↓
mA (DRX 7) 8.5 ↓ mA(PP=5) 15mA
(DRX 2.56)
GPS & Wifi Of
f
Neighborhood
Cell Off,
LCD Off
Talk Mode
- Max Pwr :
650 ↓
mA @ Avg
- Tx 10dBm :
400 ↓ mA @ Avg
400 ↓ mA(Tx Lvl: 5) 450mA
(10dBm)
GPS & Wifi Of
f
Neighborhood
Cell Off,
LCD Off
Power Of
f
↓ 300uA ↓ 300uA ↓ 300uA
6) Battery Bar
Battery Bar Specification Battery Bar Specification
Bar 20(Full) 98% Bar 9 -> Bar 8 43% -> 42%
Bar 20 -> Bar 19 98% -> 97% Bar 8 -> Bar 7 38% -> 37%
Bar 19 -> Bar 18 93% -> 92% Bar 7 -> Bar 6 33% -> 32%
Bar 18 -> Bar 17 88% -> 87% Bar 6 -> Bar 5 28% -> 27%
Bar 17 -> Bar 16 83% -> 82% Bar 5 -> Bar 4 23% -> 22%
Bar 16 -> Bar 15 78% -> 77% Bar 4 -> Bar 3 16% -> 15%
Bar 15 -> Bar 14 73% -> 72% Bar 3 -> Bar 2 13% -> 12%
Bar 14 -> Bar 13 68% -> 67% Bar 2 -> Bar 1 8% -> 7%
Bar 13 -> Bar 12 63% -> 62% Bar 1 -> Bar 0 3% -> 2%
Bar 12 -> Bar 11 58% -> 57% Power off 1%
Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 0%
Bar 10 -> Bar 9 48% -> 47%
5) Current Consumption
6) Battery Bar

2. PERFORMANCE
- 16 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2.5 SW Features
LGE Internal Use Only
2.5 SW Features
Item Feature Comment
RSSI 0 ~ 5 Levels
Battery Charging 0 ~ 20 Levels Using Fuel Gauging (%)
Key Volume 0 ~ 7 Level
Audio Volume 0 ~ 15 Level
Time / Date Display Yes
Multi-Language Yes English, Espanol, Franch, Korea,
Chinese, etc
Quick Access Mode Phone / Messaging / Apps / Web /
Contact
PC Sync Yes
Speed Dial Yes Voice mail center -> 1 key
Profile Yes not same with feature phone
setting
CLIP / CLIR Yes
Phone Book
Name / Number / Email / Website /
Postal addresses / Organizations /
Groups / Birthday Notes / Ringtone
There is no limitation on the
number of items.
It depends on available memory
amount.
Last Received
Number Yes
There is no limitation on the
number of items.
It depends on available memory
amount.
Last Missed Number Yes
There is no limitation on the
number of items.
It depends on available memory
amount.
Search by Number
/ Name Name / Number
Group Yes
There is no limitation on the
number of items.
It depends on available memory

2. PERFORMANCE
- 17 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
amount.
Fixed Dial Number Yes
Service Dial Number No
Own Number Yes Read / Write
Voice Memo Yes Support voice recorder
Call Reminder No Missed call popup
Network Selection Automatic
Mute Yes
Call Divert Yes Support call forwarding
Call Barring Yes
Call Charge (AoC) No
Call Duration Yes
SMS (EMS)
There is no limitation on the number of
items.
It depends on available memory
amount.
EMS does not support.
SMS Over GPRS No No
EMS Melody / Picture
Send / Receive / Save
No
No
MMS MPEG4
Send / Receive / Save
Yes
Yes
Long Message depends on SIM
Cell Broadcast Yes
Download Yes
Game TBD
Calendar Yes
Memo No integrated to QMemo+
World Clock Yes
Unit Convert No
Stop Watch Yes
Wall Paper Yes
WAP Browser No WAP stack and wml are not
supported.

2. PERFORMANCE
- 18 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
Download Melody /
Wallpaper Yes Over web browser
SIM Lock Yes Operator Dependent
SIM Toolkit Class 1, 2, 3, C, E
MMS Yes
EONS Yes
CPHS Yes V4.2
ENS No
Camera Yes 13M AF
VT : 2.1M
JAVA No Android do not support JAVA
Voice Dial Yes
IrDa No
Bluetooth Yes Ver. 3.0
FM radio Yes
GPRS Yes Class 12
EDGE Yes Class 12
Hold / Retrieve Yes
Conference Call Yes Max. 7
DTMF Yes
Memo pad No integrated to QMemo+
TTY No
AMR Yes
SyncML No
IM Yes Gtalk
Email Yes

2. PERFORMANCE
- 19 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
2.6 HW SPEC.
1) GSM transceiver specification
Item Specification
Phase Error Rms : 5°
Peak : 20 °
Frequency Error GSM : 0.1 ppm
DCS / PCS : 0.1 ppm
EMC
(Radiated Spurious Emission
Disturbance)
GSM/DCS : < -28dBm
Transmitter Output power GSM850, EGSM : 5dBm ~ 33dBm ± 3dB
DCS/PCS : 0dBm ~ 30dBm ± 3dB
Burst Timing < 3.69us
Spectrum due to modulation out to
less than 1800kHz offset
200kHz : -36dBm
600kHz : -51dBm/-56dBm
Spectrum due to modulation out to
larger than 1800kHz offset to the
edge of the transmit band
GSM850, EGSM :
1800-3000kHz :< -63dBc(-46dBm)
3000kHz-6000kHz : <-65dBc(-46dBm)
6000kHz < : < -71dBc(-46dBm)
DCS, PCS :
1800-3000kHz :< -65dBc(-51dBm)
6000kHz < : < -73dBc(-51dBm)
Spectrum due to switching transient 400kHz : -19dBm/-22dBm(5/0), -23dBm
600kHz : -21dBm/-24dBm(5/0), -26dBm
Reference Sensitivity – TCH/FS Class II(RBER) : -105dBm(2.439%)
Usable receiver input level range 0.012(-15 - -40dBm)
Intermodulation rejection
– Speech channels
± 800kHz, ± 1600kHz
: -98dBm / -96dBm (2.439%)
AM Suppression
-GSM : -31dBm
- DCS : -29dBm
-98dBm/-96dBm (2.439%)
2.6 H/W SPEC.
1) GSM transceiver specication

2. PERFORMANCE
- 20 - Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
2) WCDMA transmitter specification
Item Specification
Transmit Frequency
BD1: 1920MHz ~ 1980 MHz
BD2: 1850~1910 MHz
BD5: 824 MHz ~849 MHz
BD8: 880 MHz ~960 MHz
Maximum Output Power +24 dBm / 3.84 MHz, +1 / -3 dB
Frequency Error within ±0.1 PPM
Open Loop Power Control Normal Conditions : within ±9 dB,
Extreme Conditions : within ±12 dB
Minimum Transmit Power < -50 dBm / 3.84 MHz
Occupied Bandwidth < 5 MHz at 3.84 Mcps (99% of power)
Adjacent Channel Leakage
Power Ratio (ACLR)
> 33 dB @ ±5 MHz,
> 43 dB @ ±10 MHz
Spurious Emissions
|f-fc| > 12.5 MHz
< -36 dBm / 1 kHz RW @ 9 kHz ≤ f < 150 kHz
< -36 dBm / 10 kHz RW @ 150 KHz ≤ f < 30 MHz
< -36 dBm / 100 kHz RW @ 30 MHz ≤ f < 1 GHz
< -30 dBm / 1 MHz RW @ 1 GHz ≤ f < 12.75 GHz
< -60 dBm / 3.84 MHz RW @ 869 MHz ≤ f ≤ 894 MHz
< -60 dBm / 3.84 MHz RW @ 1930 MHz ≤ f ≤ 1900 MHz
< -60 dBm / 3.84 MHz RW @ 2110 MHz ≤ f ≤ 2155 MHz
< -67 dBm / 100 kHz RW @ 925 MHz ≤ f ≤ 935 MHz
< -79 dBm / 100 kHz RW @ 935 MHz < f ≤ 960 GHz
< -71 dBm / 100 kHz RW @ 1805 MHz ≤ f ≤ 1880 MHz
< -41 dBm / 300 kHz RW @ 1884.5 MHz < f < 1919.6 MHz
Transmit Intermodulation < -31 dBc @ 5 MHz & < -41 dBc @ 10 MHz
when Interference CW Signal Level = -40 dBc
Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm
Peak Code Domain Error < -15 dB at Pout -20 dBm
2) WCDMA transmitter specication