this firmware is only suitable for IWO3 plus, it can’t be used in IWO 1,IWO 2 and IWO 3:
1.better performance than the original firmware
2.please check whether the firmware version in the watch is low than this one.
this is the procedures for installing driver to download firmware for IWO2/IWO3 and IWO 3 plus MT2502 serials smart watch.
this is the firmware download tool for Mediatek MT 2502 Smart watch, it includes:
the driver for windows xp,windows 7, windows 8 and windows 10
the flash tool
the operation guide.
android smart phone apk for the DVB-T2/DVB-T smart phone receiver,it only support android 5.0 and above, it support searching channel, resort channel, record TV program,etc