You have to take the inside handle apart to activate the latch manually. If you can't do it from the handle area you have to remove the inside door panel.
how do you get the door open
The door handle may not open because it could be locked, jammed, or broken.
Broken door handle. replace it.
To open a door on a 1998 Avenger that has a broken handle, a person might have to use another door to gain entry to the vehicle. Then the door can be opened from the inside.
You don't...
in my 88 astro van I had to completely break out the back handle to first get the door open then I was able to remove interior door cover to do thr replacement. in my 99 asto van I was able to remove the interior cover to open the door then replace the handle.
The usual reason that a door will not open from the inside on a Nissan truck is because the door handle is broken on the inside. The door panel will have to be removed and the door handle repaired or replaced to open the door from the inside again.
the cast iron piece is broken on the handle just had to change one
The plastic inside door handle is probably broken.
how do I open a door when the handle broke and the part theat connects into the outer wall will not release?
The problem is that the inside door handle is broken. Although the inside door handle needs replacement you can still open the door by pulling on the lock lever above the handle.
If the door mechanism is broken, you can try using a tool like a screwdriver or a credit card to push the latch back and open the door. If that doesn't work, you may need to remove the door handle or call a professional for help.