Flash firmware on Samsung Galaxy Grand On
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How to flash Samsung Galaxy Grand On?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications stop opening.
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 Internet resource of the phone manufacturer.
On Internet resources 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 SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Charge your phone fully.
Download archive with Firmware.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone. 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.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, click 'Select Device', 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. Then we tell the program the path where the file loaded in the previous step is located.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Copy the necessary files to the SD memory 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
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.
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 you copied the files.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged 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: Mobile Phone Status: Rumored; Shades: Silver, Black; Languages: English; Operating system: Android v5.1 (Lollipop); Box Content: Handset, Charger, Headset, Battery, USB cable, Warranty card, User manual; Chipset: Exynos 3475; CPU: 1.3 GHz Quad-core Cortex-A7; Auto Focus: yes; Camera Flash: LED; Rear Camera: 8 MP; Digital Zoom: yes; Face Detection: yes; GeoTagging: yes; Camera Resolution: 3264x2448 pixels; Front Camera: 5 MP; Resolution (Front): 2592x1944 pixels; Touch Focus: yes; Primary Camera: 8 MP, 3264 x 2448 pixels, Digital zoom, Autofocus, LED flash; Display Colours: 16 Million; Multi-Touch: yes; Pixels Per Inch Density: 288 ppi; Display Resolution (H): 720 pixels; ...
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