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Flash firmware on Lenovo IdeaPhone K900 (16GB)

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How to flash Lenovo IdeaPhone K900 (16GB)?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some installed applications do not open.

Some applications from the Play Market do not start.

The phone restarts or shuts down by itself.

The phone began to slow down a lot.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of your phone manufacturer.

On certain sites where developers post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of all personal information: contacts, photos and transfer it to another computer.

Insert an SD card into your phone to write the firmware to it.

Determine 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

Download the Official TWRP App to your phone from the Play Market. And install this app.

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.

TWRP

On the main screen of the application, click 'Select Device', and select 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, return 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.

Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

Transfer the necessary files to the SD card. Using a PC or laptop card reader.

Insert a SD 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 'Reboot' and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

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.


TWRP

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. Press the OK button.



TWRP

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 damaged files during recording.

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.

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Sim Type: GSM; Dual Sim: No; Dimensions: 157 x 78 x 6.9 mm; Weight: 162 g; Type: Color LCD screen, 16M colors; Touchscreen: Yes, with Multitouch; Size: 5.5 inches, 1920 x 1080 pixels; PPI: ~ 401 PPI; RAM: 2 GB; Internal memory: 16 GB inbuilt; Card Slot: No; GPRS: Yes; EDGE: Yes; 3G: Yes; Wi-Fi: Yes, with wifi-hotspot; Bluetooth: Yes, v2.0; USB: Yes, microUSB v2.0; USB Features: USB on-the-go; GPS: Yes, with A-GPS Support; Sensors: Accelerometer, Compass; 3.5mm Headphone Jack: Yes; Camera: Yes, 13 MP with autofocus; Features: Face detection, Geo tagging, Touch to focus; Video Recording: Yes, 1080p @ 30fps; Flash: LED; Front Camera: Yes, 2 MP; Operating System: Androi ...

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Lenovo IdeaPhone K900 (16GB)