Hi i got an EE broadband Fibre which was 35mb/s but once i plunged in for the first time i was getting 4.5mb/s so i was happy to move from BT which i used to get 1.2mb/s but right now recently i keep getting maximum it pushes to 988kb/s i dont know what is wrong it just dropped any ideas or i have to phone them would they be able to fix this