Samsung N920P No Network after upgrade to 6.0.1

Samsung N920P No Network after upgrade to 6.0.1
1. Dial ##72786#
2. Press Yes to reset the Provisioning Settings to default.
3. Reboot the Phone.

No data/preparing network FIX!!
If you have one of the Many tabs shipped to sprint that were not properly flashed for sprint service then you are one of many of us. I found this fix posted but im not sure where. You will notice no data, only 3g, only 4g or your data drops out at times. In the status bar 'preparing network' will Always be there and you will not have sprint zone.


BACK UP IMPORTANT INFO!!!!
Once you have your MSL this is where you input it at;
Galaxy tab 3 sprint
Data/activation problem, no sprint zone.

1. Open calculator and type (+30012012732+
2. On next screen type ##786# to open RTN menu
3. Call text support for 6 digit MSL number, (Read MSL with another tool)
4. Select reset, enter MSL number and click ok
5. Tab will reboot with sprint animation and go to hands free activation and finally fully activate.




Please, explain your problem more detail? Also, did You read Software manual attentive?:

Enable GSM network (instructions)
Please check whether GSM/(E)GPRS/WCDMA GCF is enabled in your phone:


Open hidden menu. There are two ways of doing it:
1) Run the following command via ADB:
adb shell su -c "am broadcast -a android.provider.Telephony.SECRET_CODE -d android_secret_code://IOTHIDDENMENU"

2) Perform the following actions:
1. Dial *#0011# and in the service menu do the following.
2. Click "Menu" then "Key input" then input Q then press "Ok".
3. Click "Menu" then "Back".
4. Click "Menu" then "Key input" then input 0000 then click "Ok".


After these steps Hidden menu should open. In Hidden menu, depending on available options, try to do the following:
I.
Press UMTS
Press DEBUG SCREEN
Press PHONE CONTROL
Press NETWORK CONTROL
Set GCF to ON

II.
(optional) TestMode Menu
Press [2] UE SETTING & INFO
Press [1] SETTINGS
Press [1] PROTOCOL
Press [4] GCF
Set [1] GSM/(E)GPRS/WCDMA GCF to ON


After these actions go to Settings -> Mobile Networks and Set Network Mode to Automatic, or GSM.