Io7 s/w issues

since the time i had updated to io7 my wifi button and bluetooth button have freezed not only this, manytimes my iphone 4S crashed, sometimes battery percent showing incorrect figure, there have been so many other technical glitches since the time i upgraded to io7, i regret as to y i updated to io7 cant even downgrade it to the prev version. wat da f....

Pls suggest a solution so that atleast my wifi can start working. Apple team pls release the new version and resolve all these issues asap. 😟