Will I be able to use my usual phone charger using only an adapter while in Germany?
Using an adapter is one option. You might also consider getting a charger when you get to Germany. It may be quite a bit cheaper than an adapter.
NoahS_VZWFollow us on Twitter @VZWSupportIf my response answered your question please click the "Correct Answer" button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!