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Flash firmware on HTC Desire 12 Plus

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How to flash HTC Desire 12 Plus?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some installed applications do not open.

Some programs from the Play Market do not start.

The phone restarts for no reason.

The phone started to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official website of your phone manufacturer.

On specialized resources where users post custom or official OS.


What should be done before installing the firmware?

Back up your phone's user data.

Insert your SD card into your phone. An SD card is needed to write firmware to it.

Find out the exact model of your smartphone.

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

Find and download the archive with Firmware. Place it on the SD card.





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 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, you need to select the 'TWRP FLASH' item 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 application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.img file.

After downloading the image file, go 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.

Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.

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

Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.

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

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.

Press the 'Install' button to start the flashing.


TWRP

On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.

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 flashing the phone 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: Quick charging: No; Operating system: Android v8.0 (Oreo); Sim slots: Dual SIM, GSM GSM; Custom ui: HTC Sense; Sim size: SIM1: Nano SIM2: Nano; Network: 4G: Available 3G: Available, 2G: Available; Fingerprint sensor: Yes; Display type: IPS LCD; Aspect ratio: 18: 9; Screen to body ratio: 76.66 %; Pixel density: 268 ppi; Screen size: 6.0 inches (15.24 cm); Screen resolution: 720 x 1440 pixels; Touch screen: Yes Capacitive Touchscreen, Multi-touch; Loudspeaker: Yes; Audio jack: 3.5 mm; Settings: Exposure compensation, ISO control; Camera features: Fixed Focus; Image resolution: 4128 x 3096 Pixels; Sensor: BSI Sensor; Autofocus: Yes Phase Detection autofocus; Shooting m ...

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HTC Desire 12 Plus