Flash firmware on Woxter Zielo ZX-840 HD
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How to flash Woxter Zielo ZX-840 HD?
Why reinstall the firmware?
Errors in the operation of the Android OS begin to appear.
Some applications do not open, reinstalling which does not lead to a positive result.
Some applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone slows down a lot during operation.
You want to update your firmware.
Where can I find the firmware?
On the official website of the phone manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Remember your smartphone model.
Fully charge your phone battery.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
On the next screen, select 'TWRP FLASH' and give the application root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. 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. Then we tell the program the path where the file loaded in the previous step is located.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the firmware and other necessary files to the SD card.
Insert a memory card into your 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
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.
Now you can start flashing. Press the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where the files were copied.
Find the file we need 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 writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Size: 73.0 mm x 145.0 mm x 9.0 mm; Weight: 130 g; Frame size: 0.36 mm; Usable surface: 64 %; Materials: Plastic; Colors: Black Blue Pink White Yellow; Diagonal: 5"; Screen Type: LCD IPS; Screen Resolution: 720 x 1280 px; Density: Medium Density, 294 Pixels per inch differentiable less than 40 cm away,; Others: Capacitive, Multi-touch; Operating System: Android 4.4 KitKat; Model: MediaTek MT6592; CPU: ARM Cortex-A7; Type: Octa-Core; Frequency: 1.7 GHz; GPU: ARM Mali-450 MP4; RAM: 2 GB; Antutu score: 27.638 Overall performance better than 56% of smartphones; Capacity: 16 GB (Capacity with the OS (depends on the brand and ROM version): 9-15 GB); More or less equivalent to: ...
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