sm-n910P UNLOCK Hav one sm-n910p 5.1.1 from usa sprint so how to connect its not reading on exe,can i unlock?

Hello.

To connect SM-N910P phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Connect the phone directly to PС.
11. Press "Read Info" on "Main" tab of the Software.

Also, it might be needed to enable CP logging in Recovery Mode, if the phone is not being detected by PC.

You can find a step by step description on how to perform "Unlock" operation in phone's Software manual ("Help" button in Software)

 tutirial video sm-n910p unlock https://www.youtube.com/watch?v=ZZ-GnRkvsZA
 ITS 5.1.1

6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".

THIS ONE NOT WORKING
ALSO enable CP logging in Recovery Mode NOT SHOWING
 How is your phone being detected by PC? What devices appear in PC Device Manager?
 Welcome to Octoplus/Octopus Box Samsung software version 2.0.6
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To connect SM-N910P phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM8
Selected model: SM-N910P
Phone was not found on the selected port!
Searching for USB diagnostic port...
Connecting to phone on COM342
Mode: Normal
Phone model: SM-N910P
Firmware compiled date: Jul 15 2015
Firmware compiled time: N910P.05
Firmware released date: Jul 16 2015
Firmware released time: 19:01:57
Phone IMEI: 990004-72-711000-3
SW version: MPSS.DI.3.0.c5-00418-M9625TAARANSZM-
1.24370.1.24565.1
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM342
Selected model: SM-N910P
Please, press "OK" button on the phone to allow USB debugging..
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: SM-N910P
Firmware compiled date: Thu Jul 16 20:00:24 KST 2015
PDA version: N910PVPU4COG5
CSC version: N910PSPT4COG5
SW version: N910PVPU4COG5
Phone IMEI: Unknown
Phone SN: 00000000000
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is not Rooted.
Phone unlocking failed


now its reading but how to root its 5.1.1