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Flash firmware on Gree G0345D

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How to flash Gree G0345D?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some installed applications stop opening.

Many applications from the Play Market do not start.

The phone restarts by itself for no reason.

The phone slows down a lot during operation.

You are not satisfied with the functionality of the stock (official) firmware.





Where can I find the firmware?

On the official website of the phone 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 an SD card into the gadget. It must have enough memory for the firmware.

Determine your smartphone model.

Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.

Download archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone. And run this application.

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.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, 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, 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.

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 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 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

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.

Now you can start flashing. Press 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 location where you copied the files.



TWRP

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, accompanied by logging and filling in the progress bar.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: OS: Android 7.1.2 Nougat; Processor: Qualcomm Snapdragon 820 8996; Processor clock: 2.15 GHz; Number of cores: 4; GPU: Adreno 530 @650-736 MHz; RAM: 4 GB, 6 GB; Internal memory: 64 GB, 128 GB; Memory cards: yes; Display: Color / TFT; 16M colors, 60 Hz; 1080 x 2160 px (5.99") 403 ppi; 79.0% screen-to-body ratio; Display protection: yes; Type: Standard; Photo matrix: 12 Mpx; Flash: 2x LED; Digital zoom: yes; Video formats: H.263, H.264, MPEG4; Additional: AF, OIS, f/1.8; Type: Portrait; Photo matrix: 8 Mpx; Flash: yes; Digital zoom: yes; Additional: AF; A-GPS: yes; GPS module: yes; Bluetooth: yes v4.2; EDGE: yes; GPRS: yes; IrDA: yes; NFC: yes; USB: yes v2.0; Type-C; WAP: yes v2.0; WiFi: yes ...

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