after only seven months finally at the end

So the fit I had no problems. Care must be taken that the two wires are next to the battery and not under it, then adjusts at least for me and the lid. It's very sad that not only the original battery from FritzFon a short life has (approximately 10 months). Even this one kept me just 7 months. And I use the phone not just excessive! On average, maybe 10 minutes a day. So also this battery is not necessarily recommendable! Too Bad.