Buying second hand phone no dey advisable because you can't tell where the phone is coming from. Many people don enter problem by buying second hand phone that was a stolen one. Apart from second hand phone been a stollen one sometimes e fit be phone wey dey very faulty and buying it to use will cause lot of stress repairing the phone always. The issues that comes with a second hand phone is very complicated.
Totally not advisable my brother o,you no no how many people hands the phone don enter bfr it get to you to buy ,u Neva can tell self if na tracking phone I swear,I witness one incident abt second hand phone,the phone was stolen from anoda state tho the phn was very expensive so I guess the owner was tracking it ,the person wey con buy d stolen with pure mind ,was arrested together with his two friends he was sitting with at a particular moments o tracking carry the guy o wetin d guy go go talk self fr station self .