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Flash firmware on G Smart G1355

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How to flash G Smart G1355?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some applications stop opening.

Many programs from the Play Market do not work.

The phone restarts or shuts down by itself.

The phone started to work slowly.

The OS does not match the system requirements of the smartphone.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where third-party developers post custom operating systems.


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 SD card. An SD card is needed to write firmware to it.

Find information about your smartphone model.

Charge your phone fully.

Download 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.

After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.

TWRP

On the main screen of the application, select 'Select Device', and find 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.

When the download is finished, you need to return to the main screen of the Official TWRP App and click on 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'.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.

Transfer the necessary files to the SD memory 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 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 click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

Now you can start flashing. Click the 'Install' button.


TWRP

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.



TWRP

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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Smart Phone OS: Android; Smart Phone OS ver.: 2.3; Shape: Bar; SIM: Dual SIM (Mini-SIM); Processor Speed: Qualcomm MSM7227T 800MHz; Internal Storage: 1GB ROM; RAM: 512MB; External Storage: micro SD up to 32GB; Battery life: 105h (standby) / 6h (talk time); Screen Size: 4.3inch (~217 ppi pixel density); Resolution: 800x480; Touch Screen: yes; Screen Type: TFT capacitive touchscreen, 256K colors; Pixels: 5mp; Flash: yes; Image Stabilization: ; Waterproof: ; GPS: yes; Dimensions (WxHxD): 69.8 x 129.8 x 11.5 mm(2.75 x 5.11 x 0.45 inches); Weight: 168g (with battery) / (5.93oz); ...

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