How to Change the Root SSH Password on Your iPhone
These are instructions on how to change the root SSH password on your jailbroken iPhone or iPod touch. This password is required when using SSH to connect to your device.
If you do not already have MobileTerminal installed please follow these instructions to install it.
Press to launch MobileTerminal from your iPhone Springboard.
Input su into the terminal window then press the return key.
You will be asked to input the current root user password. Input alpine then press the return key.
Once you have logged in as the root user input passwd into the terminal window then press the return key.
You will be prompted for new password. Input a password of your choice then press the return key.
You will be asked to retype the new password. Do this, then press the return key to finalize your change.