Flash firmware on Samsung SGH-T699
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How to flash Samsung SGH-T699?
Why reinstall the firmware?
Errors begin to appear in the Android OS.
Some installed applications stop opening.
Many programs from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone slows down a lot during operation.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official website of the phone manufacturer.
On specialized services where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Remember 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.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
On the next screen, select 'TWRP FLASH' and give the application root rights.
On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.
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.
When the file is loaded, you need to return 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.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the required files to the memory card. Using a PC or laptop card reader.
Insert a SD memory card into the phone.
To reboot in recovery, it is convenient 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. We open the menu, select the 'Reboot' item, and then tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
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.
Everything is ready to start flashing. Press 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 storage to which the files were copied.
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 damaged files during recording.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: Aliases: Samsung Galaxy S Relay 4G, Samsung Blaze Q; Type: Mobile; Battery: Li-Ion; CPU: 1.5GHz; Smart Phone OS: Android 4.0; Dimensions: 125 x 65 x 13 mm; Formfactor: Side Slide; Keyboard: Qwerty; Color: Yes; Other: Capacitive, Touch; Pixel aspect ratio: 1.50; Resolution: 800x480; Display PPI: 233; Screen Size: 4; Type: Super AMOLED; Audio: AAC, AAC+, eAAC+, MIDI, MMF, MPEG4, MP3, WAV, WMA; Camera: 5.0MP; Other: Auto Focus, Self Timer, Smile Detection, Geotagging, Digital zoom 4x, Flash LED; Secondcamera: 1.3MP; Videocapture: Yes; Videoplayback: 3GPP, H.263, H.264, MPEG4, WMV; Connectors: 3.5mm Audio, MicroUSB 2.0; Network: GSM850, GSM900, GSM1800, GSM1900, UMT ...
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