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Flash firmware on BLU DASH XL

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How to flash BLU DASH XL?


Why reinstall the firmware?

The operating system keeps getting errors.

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 shuts down and restarts for no apparent reason.

The phone began to work slowly.

You want to update the firmware, as it does not suit you in terms of functionality.





Where can I find the firmware?

On the official website of the phone manufacturer.

On certain 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 another medium.

Insert SD card. An SD card is needed to write firmware to it.

Determine 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 the Official TWRP App to your phone from the Play Market. And install this app.

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, click '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, return 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.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Transfer the necessary files to the SD card. Using a PC or laptop card reader.

Insert a memory card into the phone.

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 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 many 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, select the location where the firmware file is located.

Select the location where you copied the files. Press the OK button.



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, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.





Summary: OS: Android 6.0 Marshmallow; Chipset: MediaTek MT6580; CPU Speed: 1.3 GHz; GPU: ARM Mali-400 MP2; Primary display: IPS LCD 5.5" 1280 x 720 pixels 16M colors HD, 267 ppi; Secondary display: No; RAM: 1 GB; Internal memory: 8 GB; Memory Card: MicroSD, Up to 64 GB; Primary camera: 5 MP 2592 x 1944 pixels LED flash Sensor type: CMOS, Auto-focus, Continuous shooting, Digital zoom, Geo-tagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode; Video: 1280 x 720 pixels 720p@30fps; Secondary camera: 5 MP 2592 x 1944 pixels; Headphone: Yes 3.5mm; WI-FI: Yes 802.11 b/g/n 1; NFC: No; GPS: Yes A-GPS; Bluetooth: No; HDMI: No; ...

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