I think that's what sleep/wake+home button is for. Holding sleep/wake still requires 'slide to power off' (which i assume wouldn't respond when iOS locks up.)

I think that's what sleep/wake+home button is for. Holding sleep/wake still requires 'slide to power off' (which i assume wouldn't respond when iOS locks up.) sleep/wake+home button restarts iOS but ultimately reconnects to the device to the web.