Buying a mobile phone is better than international warranty Some people resort to buying smart phones without guarantee or international guarantee because of the low price of the mobile phone with an international guarantee on the price of the mobile phone with local warranty. However, there are often problems or cheating by the mobile shops, and puts the right of the mobile phone because there is no guarantee or document proving its right, Therefore, in five steps we advise you to buy mobile or mobile with local warranty by the agent of the company, whether Samsung agent or Sony agent or other in your country, so guarantee your right and can even do maintenance in the event of a problem or problem