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Flash firmware on Homtom S9 Plus

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How to flash Homtom S9 Plus?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some applications will not open.

Many programs from the Play Market do not work.

The phone restarts by itself 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 website of the manufacturer.

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


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 your phone to write the firmware to it.

Find out the exact model of your smartphone.

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. Place it on the SD card.





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 consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.

In the next screen, select the item 'TWRP FLASH' and provide the application with 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 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.

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.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered 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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

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.


TWRP

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 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 corrupted 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: Type: Smartphone, Phablet; Smart Phone OS: Android; OS ver: Android 7.0 Nougat; SIM: Nano SIM, Dual SIM, Dual Standby; CPU: MediaTek MT6750TOcta core; Processor Speed: 1.5 GHz; Storage: 64GB; RAM: 4GB; External Storage: microSD up to 128GB; Battery: Non removable Li-ion Polymer 4050mAhFast chargeTalk time: 27 hoursStand by time: 462 hours; Screen Size: 5.99 inches; Resolution: HD 720 x 1440 IPS; Main Camera: 16 MP 5 MP, f/2.0; Front Camera: 13 MP, f/2.2; Features: WiFi , Hotspot/Tethering , GPS , Bluetooth , Flash; Dimensions: 74.5 X 158.8 X 8.2 MM (wlt); Weight: 207 g; ...

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Homtom S9 Plus