Flash Firmware Symphony I21 Via Upgrade Download
MATERIALS REQUIRED
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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