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Flash firmware on DEXP Ixion ES550

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How to flash DEXP Ixion ES550?


Why reinstall the firmware?

Errors begin to appear in the Android OS.

Apps won't open.

Many programs from the Play Market do not work.

The phone turns off for no apparent reason.

The phone slows down a lot during operation.

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





Where can I find the firmware?

On the website of your phone manufacturer.

On sites where developers post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data 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 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 to your phone from the Play Market. And install this app.

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, you need to select the 'TWRP FLASH' item and give the application root-rights.

TWRP

On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.

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, return 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, 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.

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a SD memory card into the phone.

To reboot in recovery, it is convenient 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 tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





Firmware via TWRP

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.

Everything is ready to start flashing. Press the 'Install' button.


TWRP

On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.

Select the location where the files were copied. Press the 'OK' button.



TWRP

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 installation procedure is indicated by the inscription 'Successful'.





Summary: Aliases: DEXP Soul 3 Pro; Type: Mobile; Battery: Li-Ion 2000 mAh; CPU: Spreadtrum SC7731G, Quad Core 1.3GHz, ARM Cortex A7, ARM Mali-400 MP2; Smart Phone OS: Android 5.1; Dimensions: 143 x 70.6 x 8.8 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 100 g; Color: Yes; Colors: 16M; Other: Capacitive Touchscreen, Multitouch; Pixel aspect ratio: 2.00; Resolution: 640x360; Display PPI: 294; Screen Size: 5; Type: IPS LCD; Audio: WAV, AAC+, OGG, FLAC, MIDI, WMA, MP3, AMR, AAC, eAAC+; Camera: 5MP, 2592x1944; Other: Autofocus, Continuous Shooting, Digital Zoom, Exposure Compensation, Face Detection, Geo-Tagging, ISO, Panorama, Scene Mod ...

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DEXP Ixion ES550