Flash firmware on Samsung Galaxy Stratosphere
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How to flash Samsung Galaxy Stratosphere?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some applications stop opening.
Many applications from the Play Market do not start.
The phone restarts for no reason.
The phone is slow.
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 Internet resources where users post custom or official OS.
What should be done before installing the firmware?
Back up your phone's user data.
Insert an SD card into your phone to write the firmware to it.
Find out the exact model of your smartphone.
Charge your phone fully.
Download archive with Firmware.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. And install it.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press 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 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. 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.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Copy the necessary files to the SD memory card. Using a PC or laptop card reader.
Insert a memory card into the 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, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Press the 'Install' button to start the flashing.
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 writing files to the phone's memory will begin, this is 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: OS: Android 2.3 Gingerbread; CPU Speed: 1 GHz; Primary display: SUPER AMOLED 4" 800 x 480 pixels 16M colors WVGA, 233 ppi; Secondary display: No; RAM: 512 MB; Internal memory: 4 GB; Memory Card: MicroSD, Up to 32 GB; Primary camera: 5 MP 2592 x 1944 pixels LED flash Geo-tagging; Video: 640 x 480 pixels; Secondary camera: 1.3 MP 1280 x 1024 pixels; Headphone: Yes 3.5mm; WI-FI: Yes 802.11 a/b/g/n, DLNA 1; NFC: No; GPS: Yes A-GPS; Bluetooth: No; HDMI: No; Hotknot: No; USB: Yes Micro-USB 2.0; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: Accelerometer, Proximity, Compass; Capacity: 1800 mAh Li-Ion; Stand by: Up to 212 h; Talk time: Up to 8 h; Dimension: 126 x 65 x 1 ...
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