How to downgrade Ti-Nspire CX 3.6 (Non CAS)  to 3.2 CAS O.S

Current:
- Ti-Nspire CX 3.6 (non CAS)
Now, You want to downgrade Ti-Nspire CX CAS 3.2. Ok!

Step 1: Download [ nLaunchy 3.2/3.6 switching pack ]
Link: http://tiplanet.org/forum/viewtopic.php?f=57&t=13213

Extract: NL_3.2-3.6_switchpack\TI-Nspire CX\ndless
- Send : the  [ndless] folder =>>> Ti Calculator
- On Ti Calc / Open [ My Documents ] //// you see   [ndless] folder.  pess Enter 'ndless_installer' and then [ Y ]
After that, press [ 2] and [ 2 ] ....and [ 0 ] to complete installation.
Exit


Step 2: Download ROM 3.2 Ti-Nspire CX CAS
- Run file: TNOC_en.exe  Link: http://tiplanet.org/forum/archives_voir.php?id=1922&short=1
check Delete boot2
- Rename new file: TI-NspireCXCAS-3.2.3.1233_b.tcc to [ phoenix.tns ]- Copy file:  phoenix.tns to [ NL_3.2-3.6_switchpack\TI-Nspire CX\non-CAS\nlaunch ] on PC.......overwrite
- Copy [ nlaunch ] folder in [ NL_3.2-3.6_switchpack\TI-Nspire CX\non-CAS\nlaunch ] to Ti Calculator
- Press [ Reset ] button back: Operating system not found. Install now.
- Connect and copy file:  nlaunch.tco  in ( NL_3.2-3.6_switchpack\TI-Nspire CX ) on PC. It will reboot

Waiting and using

Note:
If there're troubles. You should do:
1.  Press and Hold (4 keys): Doc + Enter + Ee and Release [Reset] Button
[ 2 ] and [ 1 ] ....and then [Enter]
You can install new OS

2. With fail belong to NSC MP V4 Diag. You can do:
Press and Hold (4keys): Esc + Menu+-and Release [Reset] Button to disable diag test

3. Everything...You can do:
Release [ Battery rechagreable ] about 3 - 5 second to clear fail


Thanks!
I'm from Vietnam. So i don't write Ennglish well. Sorry!
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Hi I am a newbie and need your help on upgrading my TI Nspire Non-Cas 

I had tried every instruction and it seems what hold me back from successfully implementing Ndless + nlaunchy (both newest version) is the Diag protocol - after installing Ndless, my calc wont load the OS inside the /nlaunch folder 

(I have tried everything, try CAS .tns files in the folder -I use NL.3.1-3.6.Switchpack and 3.2-3.6 ones-, non-CAS .tns files, download and modify .tco, and .tcs file myself using TNOC, rename it into phoenix.tns) if I only copy phoenix files not phoenix.old.tns one it will change into phoenix.old.tns automatically and OS wont load as consequence) 

When Diag screen appear I go into option nomber 0 and test the battery pack, when I restart it continues loading OS but wont succefully load it. (If I dont test battery pack even if I restart it keeps on going into Diag)

why did I get Diag? probably because during Ndless installation I pressed 2 -2 - 0 and then 5-8-0 (this 5-8-0 prioritizes Diag over boot2) I tried Esc+Menu+(-) and it didnt work for me. 

I tried esc+menu+(+) out of desperation it shows bug PP12D on te upper left corner of the screen I dont know what the hotkey means nor what the bug means

the screen stays at loading and won't change even if you wait for hours

it frustates me, because I need CAS program. I dont ask you to provide me info to change non-Cas to Cas if it violates the law or rule in this forum.

I ask you to help me why wont my TI nspire successfully load the program as it should be.

(additional Info, I cant managed to press 2 -delete OS- if I pressed Menu+Enter+EE button, instead I picked 4 -total format- and continue from there everytime)

Huge Thanks everyone