MTK6250 Bluetooth 1.54" L Watch Firmware installation. How to flash firmware on RKM M3, Podoor MI W2 or PW305 watches

This is a simple tutorial on how to flash firmware on RKM M3, Podoor MI W2 or PW305 Linux watches.
1. First, you'll have to download the firmware archive 'MTK6250 Bluetooth 1.54 L Watch firmware' from here, here or here.2. Install driver for the smart watch. Extract the archive and srch 'USB_Driver_exe_v1.1032.1' driver. Run 'InstallDriver.exe' as Admin and install the drivers. I have 8.1 Pro x64 and it worked with no problem at all.3. Open �download� folder, double click �MultiPortFlashDownloadProject, click up and left corner 'File---Open Download At File', select 'download folder----MTK_AllInOne_DA.bin', and then click �open�. Next you have to choose the firmware version which you want to flash (between W2-MI_TR_V2_5 and V2_7_podoor), click ' Folder' and then go to where you store the firmware. After finishing above steps, click 'Start All' (down and right corner), power off your watch, and then connect watch to computer via USB data cable. During ing time, the data will keep updating, it is normal, don�t worry. (red line, yellow line, blue line and finally the green line). When green color line is displayed it mns that the flashing was successful.4. Next operation is needed once upgrade successfully,Go to Dialer option (i.e. dial phone ), input *20# (long press digit 7 to input *,long press 9 to input #). Click Device --> Click Set UART --> Click UART setting --> In the first line of the USB port 2, click the right arrow , showed none, then click on the upper right corner the three point(stands for save settings), watch will shut down after 3 seconds. Boot again can be used normally.
5. Install the provided 'SmartWatch2_20.apk' on the Android devices you want to pair with your smart watch.
For more details plse watch the below.