Flash Firmware Symphony i21 Via Upgrade Download

Baca Juga

MATERIALS REQUIRED

• Research Download
• Spreadtrum Driver
• Firmware Symphony i21 Marshmallow

TUTORIAL

• Download and extract the materials required above
• Install driver (skip this step if it has been installed before)
• Open program ResearchDowload.exe or UpgradeDownload.exe

• Click Load Packet at the top left of the tool and then insert the .pac file that has been downloaded and extracted earlier

• Next click Start Downloading to start the flashing process

• Connect the phone to the computer with the usb cable while its totally turned off and keep pressing the Volume (+) / (-) so that phone can be detected by the computer then flashing will run automatically
• Wait until the process is done with a marked Passed in green text

• Disconnect the usb cable and please try to turn on the phone
• Good Luck.. :)

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