Flash firmware on LG Optimus F7 LTE
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How to flash LG Optimus F7 LTE?
Why reinstall the firmware?
Errors in the operation of the Android OS begin to appear.
Some applications stop opening.
Many programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone began to work slowly.
You want to update your firmware.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On specialized services on which developers lay out 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 SD card. An SD card is needed to write firmware to it.
Remember your smartphone model.
Charge your phone fully.
Download the archive with Firmware and place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
When the file is loaded, return 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 your choice, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.
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. We open the menu, select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Now you can start flashing. Press the 'Install' button.
The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where you copied the files. Press the 'OK' button.
Find the file we need 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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Type: smartphone; Band: LTE, 3G (UMTS), GSM 900, GSM 1800, GSM 1900; Platform: Android; Smart Phone OS: Android 4.1; Number of processor cores: 2; CPU frequency: 1 500 MHz; RAM: 2 048 Mb; Internal RAM: 8 GB; Memory Card Slot: yes; Memory card support: microSD (TransFlash); The maximum amount of memory card: 32 GB; Height: 131.7 mm; Width: 68.2 mm; Depth: 9.6 mm; Enclosure type: classic; The number of SIM-cards: 1; Navigation key: no; Fingerprint: no; Water resistant: no; Shock-resistant enclosure: no; Color screen: yes; Screen type: IPS; The number of screen colors: 16 777 216; Screen Size: 4.7; Resolution: 720x1280 px; Touch screen: yes; Touch screen type: capaciti ...
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