Not permanently. Some report that it fixes itself after time, but the most widely accepted solution is to let your iPhone battery die. It seems to fix this bug every time.<p><a href="https:&#x2F;&#x2F;discussions.apple.com&#x2F;thread&#x2F;7458347" rel="nofollow">https:&#x2F;&#x2F;discussions.apple.com&#x2F;thread&#x2F;7458347</a>