hi guys i have a HTC Sensation XE and made a Downloading of few apps in addition to this i performed a system update . on the next day after doing this at the time of picking my HTC's it started shutting down by it self . it was to be observed that White screen with HTC logo on it was appearing. there was no response later to this. i had all the charging work done. so please guys i am unable to switch on my phone.