only if you jailbreak your phone then mcleaner does a great job of blocking calls.
only if you don't restore the phone before you bring it in. it is reversible.Only do it if you are past your warranty or dont care about your warranty, as it voids the warranty. It doesnt hurt your phone, it actually liberates it (from its oppression by the man)(well, the mans smaller, albeit smarter, nemesis).![]()
You could just not answer it.