A5 versions are:
1) Samsung Galaxy A5 3G SM-A500H - normal - Global version
2) Samsung Galaxy A5 SM-A500M - Dual Sim - Countries or regions where this model is sold: Brazil.
3) The Samsung Galaxy A5 4G SM-A500F - normal - Countries or regions where this model is sold: Europe, Philippines.
4) Samsung Galaxy A5 4G SM-A500L - normal - China version
All version of that phone : A500F, A500F1, A500FQ, A500FU, A500H, A500HQ, A500K, A500L, A500M, A500S, A500X, A500XZ, A500Y, A500YZ
p.s. I also ask Samsung Official Comunity about your question. The letter provides information on which market the product is manufactured.
Europe... US... UK.. and etc. There may be minor differences in the models cuz production standards are different for each country!