Unbrick/repair boot/cứu boot LG G3 Cat6 thành công

LG G3 Cat6 bị brick do nạp sai phần mềm. Tình trạng máy khởi động lên Boot secure error rồi tắt, vào download mode cũng chỉ hiện chữ download nhỏ rồi tắt ==> No recovery, no fast boot, no download mode

Tất cả xử lý ok

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LG G3 F460K LTE-A Cat. 6 Specs

Datasheet Views:	12334 views since addition of datasheet (December 09, 2014)
Datasheet State:	Preliminary specifications
Release Date:	August, 2014
Dimensions:	74.6 x 146.3 x 8.9 millimetres
Mass:	154 grams (battery included)
Software Environment
Embedded Operating System:	Google Android 4.4.2  Browse devices running this OS
Microprocessor, Chipset
CPU Clock:	2650 MHz
CPU:	Qualcomm Snapdragon 805 APQ8084  Browse devices based on this microprocessor
Memory, Storage capacity
RAM capacity:	3 GiB
ROM capacity:	29.8 GiB
Display
Display Technology:	color IPS TFT , 16777216 scales
Display Diagonal:	5.5 "
Display Resolution:	1440 x 2560
Video port:	Supported
Sound
Microphone(s):	stereo
Loudspeaker(s):	Supported
Audio Output:	3.5mm
Cellular Phone
Cellular Networks:	GSM900, GSM1800, GSM1900, UMTS2100 (B1), LTE2100 (B1), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2), LTE900 (B8)
Cellular Data Links:	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Call Alert:	128 -chord melody
Vibrating Alert:	Supported
Speakerphone :	Supported
Secondary Cellular Phone
Secondary Cellular Networks:	LTE2100 (B1), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE1900 (B2)
Control Peripherals
Positioning Device:	Multi-touch screen
Primary Keyboard:	Not supported
Directional Pad:	Not supported
Scroll Wheel:	Not supported
Interfaces
Expansion Slots:	microSD, microSDHC, TransFlash, microSDXC
USB:	USB 2.0 host/client, 480Mbit/s, OTG 1.3 micro-USB
Bluetooth:	Bluetooth 4.0
Wireless LAN:	802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
Infrared Gate:	Not supported
Multimedia Broadcast
Analog Radio Receiver:	Not supported
Digital Media Broadcast Tuner:	T-DMB, S-DMB
Satellite Navigation
Built-in GPS module:	Supported
Complementary GPS Services:	Assisted GPS, QuickGPS, Simultaneous GPS (S-GPS)
Built-in Digital Camera
Primary Camera:	13 MP
Autofocus (AF):	Supported
Optical Zoom:	1 x
Macro Mode:	Supported
Built-in Flash:	dual LED
Secondary Camera:	2.1 MP
Additional Details
Battery:	removable
Battery Capacity:	3000 mAh