1, don't buy a mobile phone without choosing its appearance, style, color and function;
2. Don't buy a mobile phone without the dealer clearly introducing the basic functions and usage methods of the mobile phone;
3. Don't buy a mobile phone without a Chinese instruction manual in the box;
4. Don't buy a mobile phone that can't implement the national "three guarantees" regulations;
5. Don't buy mobile phones that don't implement the "three guarantees" of mobile phone accessories and gifts stipulated by the state;
6. Don't buy a mobile phone without a maintenance point in this city;
7. Don't buy mobile phones whose physical samples are inconsistent with the instruction manual and promotional materials;
8. Don't buy mobile phones that don't meet the standards indicated on their packaging;
9. Don't buy a mobile phone at an informal mobile phone dealer;
10. Don't buy a mobile phone whose purchase place doesn't match the seal of the sales invoice;