Taschiwa1 year ago+110I bought the toothbrush 1.5 years ago. Now the pin at the front is loose. Could it be that only one screw could be tightened? Does anyone know how to open the toothbrush?Show in original language (German)Anonymous1 year ago000We had one too. It was replaced under warranty. As you are still within the warranty period, I would also recommend this.Show in original language (German)Comment1 comment