O2 XDA IIs hard resets always

[moeloo]

My O2 XDA IIs was dropped from the tabel and now it hard resets always.
If i pick the XDA up or put it on my desk, bounch the bottem where the hard reset hole is even when i push near the hard reset hole it also hard resets.

What can i do about this and make it?

[moeloo]

nobody can help,got a solution?? :(

[moeloo]

The problem was the battery.It was not the standard battery,but a high capicity one and that was damaged.