Symphony W21 3G Kitkat Flash File
SYMPHONY W21 (3G) Firmware upgrade instruction:
- Open flashtool
- Select scatter file
- Click Firmware upgrade
4. Press and hold volume down key till the progress start
5. Connect USB cable
6. Connect Battery
7. Wait till download complete
after full flash chek imei null.then write imei with volcano
Driver, Flashtool & Firmware download Link:
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