why my device is showing cutom device status and also not able to use any root apps

A

AC Question

i have samsung note 3 lte it is showing me that the device status is custom and when i am downloading rooting apps like kingroot towelroot its just not giving me root permission either i want official status or fully root someone who can help me here is my email id [Personal email removed by Moderator] can tell me what should i do thank you.
 
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