After upgrading to ios 6 certain sms are becoming blank once I click on them...i am using iPhone 4.. (but the last message preview is shown in the list of sms). The blank sms then goes down in the sms list untill you reboot iphone or end the messaging application... The issue is coming only with the senders that have no digits in its name (like from flipkart, bookmyshow, icici) ..Anyone else facing this issue?