Flash firmware on Lenovo K920
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How to flash Lenovo K920?
Why reinstall the firmware?
Errors in the operation of the Android OS begin to appear.
Some installed applications do not open.
Some applications from the Play Market do not start.
The phone restarts by itself for no reason.
The phone began to slow down a lot.
You want to update your firmware.
Where can I find the firmware?
On the official website of your phone manufacturer.
On sites 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 your computer.
Insert an SD card into your phone to write the firmware to it.
Remember your smartphone model.
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. And place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
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, you need to select the 'TWRP FLASH' item and give the application root rights.
On the main screen of the application, select '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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
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 SD memory card into the 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 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.
Now you can start flashing. Press the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied.
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, this is 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: GSM frequencies: 900 1800 1900; Standard UMTS: 850 900 1900 2100; Standard LTE: FDD LTE: 2100, 1800, 2600, 800TDD LTE: 1900, 2300, 2500; Standard TD-SCDMA: 1900 2000; Type: Touch; Dimensions (W x H x D): 156.00 x 81.30 x 7.70 mm; Weight: 179.00 g; Main display: Color / IPS TFT16M colors1440 x 2560 px (6.00") 490 ppi; Display protection: no; Talk time (max.): 2G: 2700 min. (45.0 h); Stand-by (max.): 3G: 948 h (39.5 days); Standard battery: Li-Po 4000 mAh; Quick battery charging: no; Internal memory: 32 GB; RAM memory: 3 GB; Memory cards: no; Operating system: Android 4.4.2 KitKat; Processor: Qualcomm Snapdragon 801 8974AC; Processor clock: 2.56 GHz; Numb ...
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