Guys .. last night i helped mywife installed the latest 2.3.6 into her Galaxy S2 ... Everything seems fine .. She charge it 100% around 7am but this morning around 11am she notice her phone become quite hot & all her applications has gone missing ... Only left contact & sms functions ... The battery level also gone down to 30% ... Close the phone for 30 minutes ... on it ... its ok again ... Is this normal ??? Anyone of you experience it before ???