Option 1
1. First turn off the gadget2. Press the buttons for 2-3 seconds Volume+ + power
3. Stop pressing the buttons when the Android image or brand logo appears on the screen
4. Click power to enter Recovery Mode
5. Select wipe data / factory reset using the buttons Volume Setting and confirm by pressing Inclusion
6. Pressing keys Volume Setting select Yes--delete all user data and confirm the choice by holding Inclusion
7. At the end, to complete the process and reboot, select reboot system now
Option 2
1. Go to Phone Settings2. Next menu item Recovery and reset
3. After click on Reset settings
4. Click Reset and agree to the destruction of personal data
5. After the reboot, the reset can be considered complete
LG G4 H815 factory reset
Attention!
- After performing a hard reset, all your personal applications and data that are installed in internal memory phone will be deleted.
- To full reset The settings have ended completely, it is desirable to charge the battery to about 80%.
- Videos and images for some operations may not exactly match your phone model.
Instructions for installing the official stock firmware (kdz-file) on LG G4 (H81x, F500x, LS991, US991, VS986).
Drivers and programs
Attention!
Installation instructions
- In the drop down list select type» select value « CDMA».
- In the drop down list PhoneMode» select value « DIAG».
- In field " Select kdz file» Specify the path to the previously downloaded firmware file.
- Click on the button " Normal Flash» for flashing without data loss or « CSE Flash"- firmware with reset to factory settings (all user data on the device will be deleted, including files on internal memory).
- In the appeared window " Read Phone Information» click « start' and wait for the download to finish.
- In the new window that appears Select Country & Language» select country « different country"and language" English". If the language selection list is empty, leave it unchanged and click the " OK» to start flashing. LG Mobile Support Tool will be launched.
-
Note:
- If a message appears that the phone is not connected to the PC (The phone is disconnected from PC), it must be disconnected from the computer and reconnected by holding down the Volume Up button (enter Download Mode) and try again.
- Until the end of the process, it is not recommended to disconnect the device from the computer, and after that the smartphone will be rebooted and a new firmware will already be installed on it, with which we hasten to congratulate you.
- The initial startup usually takes a long time, but no more than five minutes. If after this time the device is still “hanging” on boot, you need to reset the device to the factory state. To do this, turn off the device, then turn it on while holding down the Volume Down key until the LG logo appears on the screen. Then release the Power button and hold it down again. Hold both buttons until the menu appears Hard reset. To continue the action, you must press the Power button or any of the volume keys to cancel it. To confirm, press the Power button again or any of the volume keys to cancel. The device will reset and format the internal memory.
-
For those who wish, we suggest using the instructions for unlocking the bootloader (only for the European model H815), as well as obtaining
Do backups all user data and copy them to the PC.
Disable all antivirus programs on the computer, if any.
Put phone into download mode ( Download Mode
).
To do this, you need to turn off the device and connect it to the computer via a USB cable, while holding down the Volume Up button and release it when the message “Download Mode” appears.
Run LGFlashTool2014.exe as Administrator and in the program you must perform the following steps:
Smartphone LG G4 H815 from the South Korean brand runs Android 5.1. Here you can get root rights, download official firmware and custom, as well as instructions. In addition, there is infa how to reset the settings ( hard reset) or graphic key. This smartphone is high performance.
Root on LG G4 H815
How to get a root for LG G4 H815 see instructions below.
Below are universal programs to get root rights for devices on Qualcomm Snapdragon
- (needs a PC)
- (Root using PC)
- (popular)
- (root in one click)
If the rights of the superuser (root) could not be obtained or the program did not appear (you can install it yourself) - ask a question in the topic. You may need a custom kernel firmware.
Characteristics
- Battery capacity: 3000 mAh
- Battery: Removable
- Talk time: 20h
- Standby time: 434 h
- Features: replaceable covers made of genuine leather or plastic
- Announcement date: 2015-04-28
- Type: smartphone
- Weight: 155g
- Design: interchangeable panels
- Operating system: Android 5.1
- Case type: classic
- Number of SIM cards: 1
- Dimensions (WxHxD): 76.2x148.9x9.8mm
- Screen type: color IPS, touch
- Type of touch screen: multi-touch, capacitive
- Diagonal: 5.5 inches.
- Image size: 2560x1440
- Number of pixels per inch (PPI): 534
- Automatic screen rotation: yes
- Scratch resistant glass: yes
- Aperture: F/1.8
- Camera: 16 million pixels, LED flash
- Camera features: autofocus, optical stabilization
- Video recording: yes
- Max. video resolution: 3840x2160
- Front camera: yes, 8 million pixels.
- Audio: MP3, AAC, WAV, WMA, FM radio
- Max. video frame rate: 30fps
- Recognition: faces
- Interfaces: Wi-Fi 802.11ac, Bluetooth 4.1, USB, NFC
- Standard: GSM 900/1800/1900, 3G, 4G LTE
- DLNA support: yes
- Satellite navigation: GPS/GLONASS
- A-GPS system: yes
- USB host: yes
- LTE band support: FDD: B3(1800), B7(2600), B20(800) - CSFB TDD: B38(2600)
- Processor: Qualcomm Snapdragon 808, 1800 MHz
- Number of processor cores: 6
- Built-in memory: 32 GB
- Volume random access memory: 3 GB
- Video processor: Adreno 418
- Memory card slot: yes, up to 128 GB
- Control: voice dialing, voice control
- Sensors: ambient light, proximity, gyroscope, compass, barometer
- Flight mode: yes
- A2DP profile: yes
»
Firmware for LG G4 H815
Official android firmware 5.1 [stock ROM file] -
LG custom firmware -
Firmware LG G4 H815 can be done in several ways. If the firmware file has not been uploaded here yet, then create a topic on the forum, in the section, experts will help you and add firmware. Do not forget to write a review of 4-10 lines about the smartphone in the subject line, this is important. The LG official website, unfortunately, will not help to solve this problem, and we will solve it for free. This LG model has a Qualcomm Snapdragon 808, 1800 MHz on board, respectively, there are such flashing methods:
- Recovery - flashing directly on the device
- A special utility from the manufacturer, or
What are custom firmware (firmware)?
- CM - CyanogenMod
- lineageOS
- paranoid android
- OmniROM
- Temasek's
- AICP (Android Ice Cold Project)
- RR (Resurrection Remix)
- MK(MoKee)
- flymeOS
- Bliss
- crDroid
- Illusion ROMS
- Pacman ROM
Problems and disadvantages of a smartphone from LG and how to fix them?
- If G4 H815 does not turn on, for example, see White screen, hangs on the screen saver, or the notification indicator only blinks at all (possibly after charging).
- If it freezes when updating / freezes when turned on (requires flashing, 100%)
- Not charging (usually, hardware problems)
- Can't see sim card
- The camera does not work (for the most part, hardware problems)
- Sensor not working (depending on the situation)
Hard Reset for LG G4 H815
Instructions on how to make a Hard Reset on LG G4 H815 (factory reset). We recommend that you familiarize yourself with the visual guide, which is called on Android. . 
Reset codes (open the dialer and enter them).
- *2767*3855#
- *#*#7780#*#*
- *#*#7378423#*#*
Hard Reset via Recovery
- Turn off the device-> go to Recovery
- "wipe data/factory reset"
- "yes - delete all user data" -> "Reboot System"
How to enter Recovery?
- hold and hold Vol (-) [volume down], or Vol (+) [volume up] and the power button (Power)
- a menu with the Android logo will appear. That's it, you are in Recovery!
Reset settings on LG G4 H815 can be done in a very simple way:
- Settings->Backup & Reset
- Reset settings (at the very bottom)
How to reset pattern
How to reset pattern if you forgot it and now you can't unlock your LG smartphone. On the G4 H815, the key or PIN can be removed in several ways. You can also remove the lock by resetting the settings, the lock code will be deleted and disabled.
- Reset graph. blocking -
- Password reset -
For those who have just become a beginner or are not an expert in a huge Android world and not particularly familiar with the concept of how - root android , and also why it is needed, what can be done after obtaining Root rights or how to get rid of them if they are no longer needed, all this can be found in the detailed article -!
Primarily!
There are no "left" links or unnecessary actions in this article! If you really need Root Rights, then read carefully and follow step by step, this is a guarantee that you will do everything right! This article on getting Root rights is divided into two parts: The first part is Required Components and conditions, the second part is Instruction how to use the received files and programs to get root rights. If in the process of getting root rights Android constantly reboots or in the process eternal loading(it happens extremely rarely, but still), it’s worth it. Now let's start getting Root rights!
Android manufacturers sometimes release new firmware, on which it is impossible to get Root in one of the proposed ways, if the article has more alternative ways, try them. Doesn't work anyway? Specify android version and the firmware version in the comments (do not write malicious shitty comments, you will not put this on yourself or others). Android freezes (does not load), read and re-read from the very FIRST PARAGRAPH, all the necessary links are present in the article!