I made some notes about this for myself, so I hope these will be of help:For Niko's cell phone on GTA IV (for the PS3): If you click up once on the directional button you get the "Whiz" screen. Then...
If you are using Niko's phone on GTA IV: press the directional keypad upward twice, this should display the blank screen on the phone. Then use the directional keypad to input the numbers you...