Flash firmware on ZTE Blade III Pro
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How to flash ZTE Blade III Pro?
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 work.
The phone restarts for no reason.
The phone is slow.
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 sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Back up your phone's user data.
Insert an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. And install it.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
After moving to the next screen, you need to select the 'TWRP FLASH' item and give the application root rights.
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 download is finished, you need to return to the main screen of the Official TWRP App and click on 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.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a 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
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Now you can start flashing. Press the 'Install' button.
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.
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, 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: Smart Phone OS: Android OS, v4.1 (Jelly Bean); Chipset: Qualcomm MSM8225 Snapdragon S4 Play; CPU: Dual-core 1.2 GHz Cortex-A5; GPU: Adreno 203; Type: TFT capacitive touchscreen; Screen Size: 4.0 inches; Resolution: 480 x 800 pixels (~233 ppi pixel density); Multitouch: Yes; Main Camera: 5 MP, autofocus; Features: Geo-tagging; Video: Yes; Front Camera: VGA; Card slot: microSD, up to 32 GB (dedicated slot); Internal: 4 GB; Alert types: Vibration; MP3, WAV ringtones; Loudspeaker: Yes; 3.5mm jack: Yes; : - Dolby mobile; WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA; Bluetooth: Yes; GPS: Yes, with A-GPS; Radio: FM radio; USB: microUSB v2.0; Sensors: Accelerometer ...
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