i have att us iphone4s ios 5.0.1. i am in india right now. i have my iphone unlocked through SAM and have the back up activation ticket too. Accidentally i deleted my keychain-2.db file yesterday. now my push notifications arent working at all. i restored from my back up as well. no luck. i have a question. will i be able to use the backed up activation ticket if i update my ios 5.0.1 to ios 5.1.1 and will it clear my push ? need someone help .. is there anyway to et te keychain-2.db file back?