Flash firmware on LG US996 V20
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How to flash LG US996 V20?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Apps won't open.
Some programs from the Play Market do not start.
The phone restarts or shuts down for no reason.
The phone started to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the website of your phone manufacturer.
On specialized resources where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data and transfer it to another medium.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. Download, install and launch the application..
When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.img file.
After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.
Press the 'FLASH TO RECOVERY' button and confirm that you are ready to start the procedure - press 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the device.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.
Press the 'Install' button to start the flashing.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the location where you copied the files..
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 7.0 Nougat; CPU: Kryo; CPU frequency: 2150.0 MHz (2-core); Chipset: Qualcomm MSM8996 Snapdragon 820; GPU: Adreno 530; RAM Memory: 4 GB; Display: LCD IPS Color (16M), 1440x2560 px (5.7") 515ppi; Touch screen: yes; Built-in memory: 32 GB; Memory card: MicroSD/TransFlash max. 200 GB; Camera: 20.66 MPx; Resolution: 5248x3936 px; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 7.99 Mpx; Resolution: 3264x2448 px; Bluetooth: 4.2; EDGE: Class 33; GPRS: Class 33; GPS: yes; A-GPS: yes; LTE: LTE-FDD: 700, 800, 850, 1700/2100, 1800, 1900, 2100, 2600; GSM: 850 900 1800 1900; HSUPA speed: 5,76 Mb/s; HSDPA speed: 42 Mb/s; USB: Type C; WAP: 2.0; Wi-Fi: 802.11 a/b ...
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