Concerns my childhood friend's cousin, actually dated his cousin for a while and within that short time, we had serious quarrel and at that time I did not see any reason why I shuld just throw my friendship down the drain because of some gurl, so I had to quit the relationship, exactly after a yyear now, kinda thinkin alot about her, should I buzz her again ?

depends on the line she is using,
glo yes,
zain maybe,
mtn no
etisalat negotiatable