Hi, I have also a Winnes TK905. I use successfully:
Everything works well. But what is missing, is the status of batterie level. I tried already some other protocol settings. But only “Wonlex Waterproof kis watch” works as well but battery levels is missing too.
when sending sms check i get:
XM_TK915_SW_6.2 2019/09/07 10:25 ID:905314xxxx IP:18.104.22.168:21053 APN:xxxxx,, GPS:09 GSM:29 +49nnnnnnn,,,