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Flash firmware on HTC One (E8) CDMA

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How to flash HTC One (E8) CDMA?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some installed applications do not open.

Many programs from the Play Market do not start.

The phone restarts by itself for no reason.

The phone began 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 your phone manufacturer.

On specialized services 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 your SD card into your phone. It must have enough memory to fit the firmware.

Determine your smartphone model.

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.





Installing TWRP Recovery

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

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, 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.

When the file is loaded, you need to return 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 on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Copy the required files to the 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

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

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, 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: Smart Phone OS: Android OS, v4.4.2 (KitKat); Chipset: Qualcomm MSM8975AC Snapdragon 801; CPU: Quad-core 2.3 GHz Krait 400; GPU: Adreno 330; Type: Super LCD3 capacitive touchscreen, 16M colors; Screen Size: 5.0 inches (~66.6% screen-to-body ratio); Resolution: 1080 x 1920 pixels (~441 ppi pixel density); Multitouch: Yes; Protection: Corning Gorilla Glass 3; : - HTC Sense UI 6.0; Main Camera: 13 MP, autofocus, LED flash; Features: Geo-tagging, touch focus, face detection, panorama, HDR; Video: 1080p@30fps; Front Camera: 5 MP, 1080p; Card slot: microSD, up to 128 GB (dedicated slot); Internal: 16 GB, 2 GB RAM; Alert types: Vibration; MP3, WAV ringtones; Loudspeaker: Yes, with ...

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HTC One (E8) CDMA