Yeah, same issue here, this *****, glad I'm out of contract. I will simply move to Samsung (the iphone that works...😁... hey they make most of the parts! )
Found you cannot formally notify apple of any of these issues, unless you want to PAY them for messing up your iphone with mandatory updates, of course.
Rather than rebuild, I've found it easier just to reset it (home and off key) wait a little while - 10 minutes? (if you do not it simply resumes whatever process is HUNG) . Then turn it back on, stupid thing comes back and smiles at you as if nothing happend.. Grrrrr.
Looking on ebay web shops now for a galaxy II.
Interesting, I let it alone once (I get an apple logo), with the charger plugged in, I checked it an hour later and it was HOT, its stuck in a processor loop/deadly embrace. They're obviously still having trouble with multiprocessing. Silly of me to expect a Apple to be able to do something minix was doing 10 years ago heheheheh, go back to your iPODS apple, at least theres not much to mess up with that one. (anyone remember the iRiver, Iwonder?)