Personally Im not in favor or recommending Telegram Groups handling Free Trade Signals due that most of this are Pump and Dump group. they will give you signals which too late for you or in fomo phase. For you to ride in the right time to trade they will for fees or charges to join in a signal grp. It is much better you should learn the technical analysis in trading.
I also do not suggest free signal groups. Because most of them do not give the right direction. If you want to be tried, the paidly ones will be more useful. If you do not want this, find out how you need to analyze the prices by yourself.