Photo: 121, Album: Brooklyn Camera/Electronic Dealer StoreFronts
CellXpo.com
1261 57th St, Borough Park
Address from contact page and confirmed at the BBB. Their customer service number (718) 435-3938 reverses to this address. BBB also has an alternate address of 1367 58th St, Borough Park. Some comments at ResellerRatings. See closeup of front door.