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Flash firmware on Hisense Infinity U989 Pro

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How to flash Hisense Infinity U989 Pro?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some installed applications stop opening.

Some programs from the Play Market do not start.

The phone restarts by itself for no reason.

The phone began to slow down a lot.

The OS does not match the system requirements of the smartphone.





Where can I find the firmware?

On the phone manufacturer's website.

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 your computer.

Insert your SD card into your phone. 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. Place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting 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.

TWRP

On the main screen of the application, select '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. Select the file downloaded in the previous step.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

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

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. We open the menu, select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





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. Click the 'Install' button.


TWRP

The file selection screen appears. 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, 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.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Brand & Model: HiSense Infinity U989 Pro; Product Release Date: 22 December, 2016; Fingerprint Sensor: No; Waterproof: No; Display Type: IPS, LCD capacitive touchscreen; Display Size: 5.5 inches; Resolution: 1280 x 720 Pixels, 24 bit color depth; Multitouch Input: Yes; Display Colors: 16M; Pixel Density (In PPI): ~ 267 ppi Pixel Density, Pixel Per Inch; Touch Screen: with Multi-touch capacitive; Touchscreen Technology: Capacitive Touch; Display Protection: Features: HD Display267 PPICapacitive Multi-touch; Secondary Display: No; Screen to Body Ratio: 69%; Camera Type: Dual Camera (One Back One Front); Rear Camera: 13 Megapixels; Image Dimensions: 4160 x 3120 Pixels; Fu ...

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Hisense Infinity U989 Pro