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How to Flash BYTOW SMART Phone:

It is possible to flash your BYTOW SMARTcell phone using any of the above tools. But before flashing the Symphony H300 smartphone, you must back up your device, so that if there's a problem like not matching the version after flashing, the fire can be restored to its previous condition.

After download, the zip package then extracts the Firmware.
Download SP Flash tools from the above link and extract them inside a Folder.
Click on to install Required MTK USB Driver on your Computer.
Run as Administrator to Run Flash tool and select the downloaded flash file then click Start button.
As soon as connect your Switched off the device, connect your device to the Computer via USB cable, until Press Boot key.
Wait for Flashing 100% Done.
Congratulations! You have successfully Flashing your Phone.