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Flash firmware on Samsung Galaxy Mega 6.3 I9205

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How to flash Samsung Galaxy Mega 6.3 I9205?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some applications stop opening.

Many programs from the Play Market do not work.

The phone restarts or shuts down randomly.

The phone started to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where developers 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.

Find out the exact model of your smartphone.

Charge your phone fully.

Download 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 the firmware, as well as agree to grant 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.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.

After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.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. Select the file downloaded in the previous step.

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 is now complete.

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a memory card into your 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. Open the menu and select the 'Reboot' item, 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.

Press the 'Install' button to start the flashing.


TWRP

The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.

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.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Smart Phone OS: Android; Smart Phone OS ver.: 4.2; Shape: Bar; SIM: Micro-SIM; Processor Speed: 1.7GHz Dual Core Application Processor; Internal Storage: 16GB; RAM: 1.5GB; External Storage: Micro SD up to 64GB; Battery life: up to 10h(3G Internet Usage time)/up to 6h(LTE internet usage time)/up to 12h(Wi-fi internet usage time)/up to 11h(video playback time)/up to 82h(audio playback time)/up to 17h(W-CDMA talktime)/up to 420h(W-CDMA standby)/up to 390h(LTE standby); Screen Size: 6.3inch; Resolution: 1280x720; Touch Screen: yes; Screen Type: Super Clear LCD; Pixels: 8mp; Flash: yes; Image Stabilization: ; Waterproof: ; GPS: yes; Dimensions (WxHxD): 88 x 167.6 x 8.0 mm; Weig ...

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Samsung Galaxy Mega 6.3 I9205