Flash firmware on Samsung Galaxy S3 CDMA
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How to flash Samsung Galaxy S3 CDMA?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
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 want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official website of the 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 your SD card into your phone. An SD card is needed to write firmware to it.
Find information about 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 archive with Firmware.
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.
On the main screen of the application, click 'Select Device', and find 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.
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.
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.
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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.
Now you can start flashing. Click the 'Install' button.
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 location where you copied the files.
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, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Chipset: Qualcomm MSM8960 Snapdragon S4; CPU: 2 Cores @ 1.5GHz Qualcomm Krait; GPU: Adreno 225; RAM: 2GB; Internal Memory: 16GB; External Memory: microSD; Camera Resolution: 8 Megapixel; Camera Flash: LED; Front Camera: 1.9 Megapixel; Other Functionalities: Digital Compass, Accelerometer, Gesture Control, Proximity Sensor, Barometer; Speaker: Mono; Battery Capacity: 2100mAh; Battery Type: ; Display Resolution: 720x1280px; Display Size: 60x107mm (2.36x4.21") ~306PPI; Display Diagonal: 4.8"; Display Type: 16M Super AMOLED; Secondary Display Resolution: ; Input: Capacitive Touchscreen; Talk Time: 15 hours; Standby Time: 8 days, 8 hours; Smart Phone OS: Android OS, v4.1; Ja ...
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