1.This firmware is only fit for F6V4.0.
2.Do not power off the device when upgrading.
3.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
Số 26 Lô C Trường Sơn, Phường 15, Quận 10, TP. Hồ Chí Minh
