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Flash firmware on HTC One M9 Prime Camera Edition

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How to flash HTC One M9 Prime Camera Edition?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some installed applications stop opening.

Some applications from the Play Market do not start.

The phone restarts or shuts down randomly.

The phone started to work slowly.

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 sites where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data, contacts and photos and transfer it to your computer.

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

Determine 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. And place it on the SD card.





Installing TWRP Recovery

Download and install the Official TWRP App from the Play Market.

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.

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, go 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.

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.

Copy the firmware and other necessary files to the SD card.

Insert a memory card into your 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.

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 the files were copied.



TWRP

Find the file we need 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 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: Operating System: Android v5.0 (Lollipop); SIM Slot(s): Single SIM, GSM; SIM Size: SIM1: Nano; Network: 4G: Available (supports Indian bands), 3G: Available, 2G: Available; Fingerprint Sensor: No; Dimensions: 144.6 (H) x 69.7 (W) x 9.6 (T) mm; Weight: 158 grams; Build Material: Case: MetalBack: Metal; Colours: Gold Gray; Screen Size: 5.0 inches; Screen Resolution: Full HD (1080 x 1920 pixels); Pixel Density: 441 ppi; Display Type: IPS LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Screen to Body Ratio: 68.22 %; Chipset: MediaTek MT6795; Processor: Octa core, 2.2 GHz, Cortex A53; Architecture: 64 bit; Graphics: PowerVR G6200; RAM: 2 GB; I ...

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HTC One M9 Prime Camera Edition