Use a text editor to open the VCF file

  It should look like this:

BEGIN:VCARD
VERSION:2.1
FN:FIRST NAME**
N:NAME*;;;;
TEL;VOICE;PREF:NUMBER
END:VCARD

REPLACE all stars with the data's name that I provided between them

Use a text editor to open the VCF file. It should look like this:

BEGIN:VCARD

VERSION:2.1

FN:****FIRST NAME******

N:******NAME*******;;;;

TEL;VOICE;PREF:********NUMBER********

END:VCARD

Replace all stars with the data's name that I provided between them.

You may use ES File Explorer to open VCF file as text.