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Flash firmware on Doogee DG650S Max

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How to flash Doogee DG650S Max?


Why reinstall the firmware?

Errors in the Android OS start to appear regularly.

Some installed applications do not open.

Some applications from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone slows down a lot during operation.

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 your 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 your SD card into your phone. It must have enough memory to fit the firmware.

Find information about your smartphone model.

Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.

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.

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.

After moving to 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, click 'Select Device', and find 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.

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'.

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.

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 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. Click 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 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 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.

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





Summary: Design: Classic; DualSIM mode: yes; SIM cards standard: Mini Sim - Regular; GSM: 850 900 1800 1900; HSDPA: 850 2100; Dimensions (H/L/W): 178 x 88 x 8.5 mm, vol. 133 cm³; Display: LCD IPSColor (16M) 1080x1920px (6.5") 339ppi; Touch screen: yes; Weight: 229 g; Time GSM (talk/stand-by): 12 / 240 hrs. (10.0d); Time UMTS (talk/stand-by): 12 / 240 hrs. (10.0d); Battery: Li-Po 3500 mAh; Built-in memory: 16 GB; Memory card: MicroSD max. 32 GB; RAM memory: 1 GB; Operating system: Android 4.3; Chipset: MediaTek MT6592; CPU 1 frequency: 1700.0 MHz(8-core); GPRS: yes; EDGE: yes; HSDPA: 21 Mb/s; HSUPA speed: 5,76 Mb/s; HSCSD: no; Wi-Fi: 802.11 b/g/n; Bluetooth: 4.0; NFC: y ...

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