The KCB branch along Moi Avenue in Nairobi. The lender advised its customers that it will be upgrading its core banking system beginning this Friday. PHOTO | SALATON NJAU | NATION MEDIA GROUP ByDAVID HERBLING, hdavid@ke.nationmedia.comPosted Friday, September 16 2016at 10:33 tml” target=”_blankKCB has become the second lender after tml” target=”_blankEquity Bank to cut the interest…