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Flash firmware on Celkon Smartron A67

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How to flash Celkon Smartron A67?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications will not open.

Many applications from the Play Market do not start.

The phone restarts by itself for no reason.

The phone started to work slowly.

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





Where can I find the firmware?

On the official website of the manufacturer.

On specialized services on which various developers lay out 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 SD card. An SD card is needed to write firmware to it.

Determine your smartphone model.

Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.

Download 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 must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click 'Select Device', and select your phone model.

After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.img file.

When the file is loaded, you need to 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.

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

Transfer 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 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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

You can start flashing. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.

Select the storage to which the files were copied. 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 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.

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





Summary: Announced: 15th Mar, 2013; Box Content: Charger, Earphone, USB Cable; Languages: English; Operating system: Android OS, v4.0 (Ice Cream Sandwich); Shades: Black, White; CPU: 1 GHz Dual Core; Rear Camera: 2.0 MP; Camera Resolution: 1600x1200 pixels; Digital Zoom: yes; Front Camera: 0.3 MP; Resolution (Front): 640x480 pixels; Primary Camera: 2.0 MP, 1600x1200 Pixels, Digital Zoom; Touchscreen: yes; Display Size: 3.5 inch; Display Resolution (H): 320 pixels; Display Resolution (V): 480 pixels; Display Type: TFT; RAM capacity: 512 MB; Call Log: yes; Memory Card: microSD Card, Up to 32 GB; Internal Memory: 512 MB; Bluetooth: yes; Handsfree: yes; USB: yes; Browser: WAP, Min ...

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