Flash firmware on Lenovo Lemon K12
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How to flash Lenovo Lemon K12?
Why reinstall the firmware?
The operating system keeps getting errors.
Some installed applications do not open.
Some programs from the Play Market do not start.
The phone restarts for no reason.
The phone began to slow down a lot.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On sites where third-party developers and phone manufacturers post custom or official OS.
What should be done before installing the firmware?
Back up your phone's user data.
Insert an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your phone battery.
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. And install it.
When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting 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, click 'Select Device', and find your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. 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.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When 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 the phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. 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 clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
You can start flashing. Click the 'Install' button.
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, 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 writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Operating System: Android v10 (Q); Chipset: Qualcomm Snapdragon 460; Processor: Octa core (1.8 GHz, Quad core, Kryo 240 1.6 GHz, Quad core, Kryo 240); Graphics: Adreno 610; RAM: 4 GB; Internal Memory: 64 GB; Expandable Memory: Yes, Up to 512 GB; Screen Size: 6.5 inches (16.51 cm); Resolution: 720 x 1600 pixels; Display Type: IPS LCD; Aspect Ratio: 20:9; Pixel Density: 270 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Resolution: 48 MP f/1.79, Wide Angle Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)2 MP f/2.4, Depth Camera(1.75µm pixel size); Camera Features: Digital ZoomAuto FlashFace detectionTouch to focus; Autofocus: Yes; Image Resolution: 80 ...
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