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Flash firmware on Lenovo A678T

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How to flash Lenovo A678T?


Why reinstall the firmware?

Errors begin to appear in the Android OS.

Some installed applications do not open.

Some programs from the Play Market do not start.

The phone restarts or shuts down randomly.

The phone began to work slowly.

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





Where can I find the firmware?

On the official website of your phone manufacturer.

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 SD card. An SD card is needed to write 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. 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, you need to select the 'TWRP FLASH' item and give the application root rights.

TWRP

On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.

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, press 'OK'.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Copy the firmware and other necessary files to the SD card.

Insert a memory card into your phone.

To reboot in recovery, it is convenient 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 tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

Everything is ready to start flashing. Press 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 the files were copied. Press the OK button.



TWRP

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 installation procedure is indicated by the inscription 'Successful'.





Summary: Type: Mobile; Battery: Li-Ion 2250 mAh; CPU: MediaTek MTK6582, Quad Core 1.3GHz, ARM Cortex A7; Smart Phone OS: Android 4.2.2; Dimensions: 145 x 73.8 x 9.25 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 162.5 g; Color: Yes; Other: Capacitive Touchscreen, Multitouch; Pixel aspect ratio: 1.50; Resolution: 320x569; Display PPI: 196; Screen Size: 5; Type: IPS LCD; Audio: MP3, WAV, eAAC+, WMA, AAC, MIDI, AMR, AWB; Camera: 5MP, 2592x1944; Other: Digital Zoom, AutoFocus, Video Recording, LED Flash, Scene Mode; Secondcamera: None; Videocapture: YES; Videoplayback: H.263, MPEG4, WMV, H.264, 3GP, MP4; Connectors: MicroUSB 2.0, 3.5mm Aud ...

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