Legal analysis: it can be returned, but it cannot be fully refunded. You will deduct some of the expenses. Open Suntech app, click mine, and there is my order. Click Refund.

Legal basis: Article 39 of the Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests. Disputes over consumer rights and interests between consumers and business operators can be resolved through the following channels:

(a) negotiated settlement with the operator;

(2) Requesting consumers' associations or other mediation organizations established according to law to mediate;

(three) to complain to the relevant administrative departments;

(four) according to the arbitration agreement reached with the operator, submit it to an arbitration institution for arbitration;

(5) bring a lawsuit to the people's court.