Flash firmware on LG Premier Pro Plus
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How to flash LG Premier Pro Plus?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some installed applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone slows down a lot during operation.
You have decided to try a different version of Android.
Where can I find the firmware?
On the phone manufacturer's website.
On sites where third-party developers and phone manufacturers post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Find out the exact model of your smartphone.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.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. Then we tell the program the path where the file loaded in the previous step is located.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the firmware and other necessary files to the SD card.
Insert a memory card into your phone.
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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Press the 'Install' button to start the flashing.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied. Press the OK button.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 9.0 Pie; Chipset: MediaTek Helio P22 (MT6762); CPU Speed: 4 x 2 GHz 4 x 1.5 GHz; GPU: Imagination PowerVR GE8320; Primary display: IPS LCD 6.5" 1520 x 720 pixels 16M colors 259 ppi; Secondary display: No; RAM: 2 GB; Internal memory: 32 GB; Memory Card: MicroSD,; Video: 1920 x 1080 pixels 1080p@30fps; Secondary camera: 8 MP 3264 x 2448 pixels 1080p@30fps; Headphone: Yes; WI-FI: Yes 802.11 a/b/g/n/ac, DLNA 1; NFC: No; GPS: Yes A-GPS, GLONASS, BeiDou; Bluetooth: No; HDMI: No; Hotknot: No; USB: Yes Type-C 2.0 OTG; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: Proximity, Light, Accelerometer, Fingerprint; Capacity: 4000 mAh Li-Ion; Dimension: 165.7 x 76.4 ...
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