Flash firmware on HTC Desire Z American Version
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How to flash HTC Desire Z American Version?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some installed applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone started to work slowly.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the phone manufacturer's website.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert SD card. An SD card is needed to write firmware to it.
Find information about 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 the Official TWRP App to your phone from the Play Market. And install this app.
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.
Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click 'Select Device', and find 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.
Now 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 SD memory card into the phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Now you can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied.
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 damaged files during recording.
The procedure for flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: OS: Android (2.3.3, 2.2); Dimensions: 5 megapixels; Flash: LED; Features: Autofocus, Geo tagging, Effects; Camcorder: 1280x720 (720p HD); Recording format: 3GP; System chip: Qualcomm Snapdragon S2 MSM7230; Processor: Single core, 800 MHz, Scorpion; Graphics processor: Adreno 205; System memory: 512 MB RAM / 1524 MB ROM; Built-in storage: 1.5 GB; Storage expansion: microSD, microSDHC; Talk time: 9.16 hoursthe average is 11 h (675 min); Stand-by time: 17.5 days (420 hours)the average is 20 days (477 h); Talk time (3G): 5.33 hoursthe average is 15 h (897 min); Stand-by time (3G): 20.4 days (490 hours)the average is 23 days (546 h); Capacity: 1300 mAh; Type: Li - Ion; Music pla ...
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