Flash firmware on Microsoft Surface Duo
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How to flash Microsoft Surface Duo?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone slows down a lot during operation.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official website of the manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
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's 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.
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.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting the phone, the application will redirect 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.
Now 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 SD 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. 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. Click 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.
Select the firmware file 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 damaged files during recording.
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: Operating system: Android 10; Processor: Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485); Chipset: Qualcomm SM8150 Snapdragon 855 (7 nm); GPU: Adreno 640; Internal memory: 128GB 6GB RAM, 256GB 6GB RAM; External memory: No; Type: AMOLED capacitive touchscreen, 16M colors; Size: 8.1 inches, 195.4 cm 2; Resolution: 1800 x 2700 pixels, 3:2 ratio; Protection: Corning Gorilla Glass 5; Body: Stylus support; Body build: Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5); SIM: Nano-SIM, eSIM; Dimensions: Unfolded: 186.9 x 145.2 x 4.8 mm Folded: 145.2 x 93.3 x 9.9 mm; Weight: 250 g (8.82 oz); Colors: White; 2G Network: GSM 850 / 900 / 1800 / 1900; 3G Network: HSDP ...
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