Flash firmware on Samsung Galaxy Trend II Duos S7572
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How to flash Samsung Galaxy Trend II Duos S7572?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Some installed applications stop opening.
Some applications 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 (official) firmware.
Where can I find the firmware?
On the phone manufacturer's website.
On sites where users 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 your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your phone. If the battery runs out during boot, 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 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.
Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. 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 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
Before flashing, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Now you can start flashing. Press the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied.
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 writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Smart Phone OS: Android OS, v4.1 (Jelly Bean); CPU: Dual-core 1.2 GHz; Type: TFT capacitive touchscreen, 16M colors; Screen Size: 4.0 inches (~59.4% screen-to-body ratio); Resolution: 480 x 800 pixels (~233 ppi pixel density); Multitouch: Yes; Main Camera: 3.15 MP; Video: Yes; Front Camera: No; Card slot: microSD, up to 32 GB (dedicated slot); Alert types: Vibration; MP3, WAV ringtones; Loudspeaker: Yes; 3.5mm jack: Yes; WLAN: Wi-Fi 802.11 b/g/n, hotspot; Bluetooth: v3.0; GPS: Yes; Radio: No; USB: microUSB v2.0; Sensors: Accelerometer, proximity; Messaging: SMS(threaded view), MMS, Email, Push Mail, IM; Browser: HTML; Java: No; : - MP4/WMV/H.264 player- MP3/WAV/eA ...
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