| It's Not A Uem Problem, On S/w Side Firstly Flash With A Good Pm & Then Check Your Tx Line Clearly Bcos This Fault Is Related To Only Tx Section Jumpering Ant Sw In 6610 & 3100 Is Not An Intelligent Task Bcos In Tx Line Both Handsets Have A Filter Inductor Coil So Making It Jumpered Will Cause The Signal To Be Grounded So Beware About That |