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Flash firmware on ZTE Telstra T760

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How to flash ZTE Telstra T760?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications will not open.

Some programs from the Play Market do not start.

The phone restarts or shuts down for no reason.

The phone started to work slowly.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of the manufacturer.

On specialized resources 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 another medium.

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

Determine your smartphone model.

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.

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. Download, install and launch the application..

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.

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 'Select Device', 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.

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.

Press the 'FLASH TO RECOVERY' button and confirm that you are ready to start the procedure - press '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 device.

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 'Reboot' 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.

You can start flashing. Click the 'Install' button.


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 location where you copied the files..



TWRP

Find the file we need 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 the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Design: Classic; SIM cards standard: Mini Sim - Regular; GSM: 900 1800 1900; HSDPA: 850 2100; Dimensions (H/L/W): 113 x 61.5 x 12.5 mm, vol. 86 cm³; Display: TFTColor 320x480px (3.5") 165ppi; Touch screen: yes; Weight: 129 g; Time GSM (talk/stand-by): 3 / 200 hrs. (8.3d); Battery: Li-Ion 1500 mAh; Built-in memory: 120.0 MB; Memory card: MicroSD max. 32 GB; Operating system: Android 2.3; GPRS: yes; EDGE: yes; HSDPA: 7,2 Mb/s; HSUPA speed: 5,76 Mb/s; HSCSD: no; Wi-Fi: 802.11 b/g/n; Bluetooth: yes; USB: 2.0; IrDA: no; WAP: 2.0; XHTML: yes; SyncML: no; Data and fax mode: yes; Camera: 2.0 MPx; Resolution: 1600x1200px; Digital zoom: yes; Optical zoom: no; Flash ...

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