Help! Samsung I9 100 S2 SMS icon is grayed out and cannot be used.

Information and mobile phone built-in input method should be tied together. Samsung input method is installed on the system SD, just like the C disk on the computer. Some important programs and software cannot be moved, let alone deleted! Mobile phones after ROOT can only be restored to factory settings through dual Wip.

Turn off the phone, press and hold the volume up +HOME+POWER phone to enter CWMRecovery mode, use the volume up and down keys to adjust and select Erase Data/Factory Reset, then select Yes, then select Erase Cache Partition, select Yes, then select Restart the system immediately and restart the phone. Do a good job of backing up the software loaded with address book information before recovery! The power key is the confirmation selection key!