Flash firmware on Samsung Galaxy J3 J320 16GB
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How to flash Samsung Galaxy J3 J320 16GB ?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications stop opening.
Some programs from the Play Market do not start.
The phone turns off for no apparent 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 phone manufacturer.
On specialized resources where users post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and 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.
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. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
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.
On the next screen, select 'TWRP FLASH' and give the application root rights.
On the main screen of the application, click 'Select Device', 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. 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.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
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..
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 the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Operating system: Android 5.1.1 Lollipop; RAM: 1.5 GB; Chipset: Spreadtrum SC 8830; CPU: 1.2 GHz ARM Cortex A7; GPU: Mali 400; Storage: 16 GB; Diagonal size: 5.0"; Display resolution: 1280 x 720; Display Colors: 16.0 Million; Pixel Density: 294 ppi; Display Technology: AMOLED; Ports: 1x USB 2.0 - Micro; Audio: 1x 1/8" (3.5 mm) Headphone1x Integrated Microphone1x Integrated Speaker; Flash Media Slot: 1x microSDXC; SIM Card Size: Card 1: Micro; GSM 2G: GSM, GPRS, EDGE: 850, 900, 1800, 1900 MHz; GSM 3G/3.5G: UMTS, HSPA+: 850, 1700, 1900, 2100 MHz; 4G LTE: LTE: 1, 2, 3, 4, 5, 7, 12 Bands; Wi-Fi: Yes, 802.11b/g/n; Bluetooth: Bluetooth 4.1; NFC: No; GPS: Yes; Resolution: ...
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