LG G4 Quick Start Guide

8. Enable OEM unlock on your phone. Activating the "Enable OEM unlock" is necessary for the bootloader unlock.
To enable OEM unlock, go to Settings >> Developer options and check Enable OEM unlock.
9. Enter your phone’s unique Device ID. You can view the Device ID by connecting your phone to the PC using a
USB cable and entering "adb reboot bootloader" in DOS command window of the folder you created in
previous step (for example: C:\tools). Your phone will reboot into the fastboot mode. Enter "fastboot oem
device-id" in DOS command window.
10. This fastboot command will return a character string. This is the Device ID which is needed to generate your
unique unlock key.
Example Device ID (PC User)$ fastboot oem device-id
(bootloader)-----------------------------------------------------------------
(bootloader) Device-ID
(bootloader) CD58B679A38D6B613ED518F37A05E013
(bootloader) F93190BD558261DBBC5584E8EF8789B1
(bootloader)-----------------------------------------------------------------
To generate your unlock key, you will need to paste together the 2 lines of output into one continuous string
without "(bootloader)" or white spaces. In the example above, the Device ID would be:
CD58B679A38D6B613ED518F37A05E013F93190BD558261DBBC5584E8EF8789B1
11. Click Confirm. If your IMEI number and Device ID are valid, the bootloader unlock key will be sent to your
email.
12. Download your bootloader unlock key to your phone by connecting your phone to PC using USB cable and
entering "adb reboot bootloader" in DOS command window.
13. Your phone will reboot into the fastboot mode.
14. Go to the directory where you downloaded your bootloader unlock key.
15. Enter "fastboot flash unlock unlock.bin " in DOS command window.
“unlock.bin” is the bootloader unlock key you received in the email.
Reboot your phone by entering “fastboot reboot” in DOS command window.
16. Connect your phone to a PC using a USB cable and enter "adb reboot bootloader" in DOS command
window.
Your phone will reboot into the fastboot mode. You can check if the device is successfully unlocked, you can
check by entering "fastboot getvar unlocked" and verifying that the response is "unlocked: yes"
You can now download a custom android binary.
1. Run the desired fastboot command.
*Quick Guide
i. flash : fastboot flash
Ex) fastboot flash boot boot.img
ii. erase : fastboot erase

LG G4 Specifications

General

Pixel density	538 ppi
Display diagonal	5.5 \
Touch technology	Multi-touch
Display brightness	450 cd/m²
Display number of colors	16.78 million colors
Processor cores	6
Processor model	808
Processor family	Qualcomm Snapdragon
Processor frequency	1.8 GHz
RAM capacity	3 GB
Compatible memory cards	MicroSD (TransFlash)
Maximum memory card size	128 GB
Internal storage capacity	32 GB
Flash type	LED
Digital zoom	8 x
White balance	Manual
ISO sensitivity	Auto
Front camera type	Single camera
Maximum frame rate	120 fps
Optical sensor size	1/2.6 \
Video capture resolution (max)	3840 x 2160 pixels
Rear camera resolution (numeric)	16 MP
Front camera resolution (numeric)	8 MP
4G standard	LTE
2G standards	EDGE, GPRS, GSM
3G standards	HSDPA, HSUPA, UMTS
SIM card type	MicroSIM
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.1
3G bands supported	850, 900, 1900, 2100 MHz
4G bands supported	800, 900, 1800, 2100, 2600 MHz
Bluetooth profiles	A2DP, AVRCP, BIP, BPP, CIP, CTP, DUN, FAX, FTP, GAP, GAVDP, GOEP, HCRP, HFP, HID, HSP, ICP, LAP, OPP, PAN, PBA, PBAP, SAP, SDAP, SPP, SYNCH, WAPB
SIM card capability	Single SIM
GPRS multislot class	12
2G bands (primary SIM)	850, 900, 1800, 1900 MHz
Mobile network generation	4G
USB version	2.0
HDMI ports quantity	-
Headphone connectivity	3.5 mm
Form factor	Bar
Product color	Brown
Platform	Android
App distribution platform	Google Play
Operating system installed	Android 5.1
Subscription type	No subscription
Personal info management (PIM)	Alarm clock, Recorder
Speakers	Mono
Audio formats supported	AAC, AAC+, ADPCM, AMR-NB, AMR-WB, eAAC+, FLAC, MIDI, MP3, OGG, PCM, WMA
Image formats supported	JPG
Video formats supported	DIVX, H.263, H.264, M-JPEG, MPEG4, VC-1, VP8, VP9, XVID
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Talk time (3G)	- h
Battery capacity	3000 mAh
Specific absorption rate (SAR) value (EU)	- W/kg

Weight and Dimensions

Depth	9.8 mm
Width	76.1 mm
Height	148.9 mm
Weight	159 g