[Q] Problems after changing housing - Vibrator/Sim/Backlight

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http://forum.xda-developers.com – I changed my housing today from white to grey, all seemed fine (after struggling to get the speaker out of the old housing). When I turned it back on, the backlight for the back button had stopped working and the phone wouldn't recognise my sim card. I reflashed my rom and the sim card problem was gone, but the backlight is now only half the brightness of the other 2 buttons. I also noticed now that the vibration of the phone has stopped too. Is there anything I could do/try to get the backlight to come back to full brightness and to get the vibrator to work again? (HowTos)