Solve Samsung problem yellow text on Home screen
Some Samsung devices that operates on Android can show yellow text displayed on the Home Screen especially after installing some custom Roms or after rooting the device. The annoying yellow text will be displayed in a semi-transparent black box showing information about the device model, memory, PDA, CSC and Phone. This state where there is annoying yellow text on your screen is called (Factory Mode) and it is quite easy to exit this (Safe Mode) or (Factory Mode) and remove the annoying yellow text.
To solve this problem just open your Phone Dialer and type *#87976633# from left to right. This problem often happen when repairing your IMEI or after editing your EFS partition.