For a full refund, store policy is that you have to return merchandise 2 weeks from the time it was purchased.

店铺对于全额退款的规定是：您必须在购买商品后两周内退货。

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You can return most items for a full refund within 30 days of delivery.

大部分商品在送货后30天内都可以全额退款。

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You can return most of items for a full refund within 30 days of delivery.

大部分商品在送货后30天内可以退货。我们也可以退款给您。

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Greenberg tried to settle, but Koch turned down his offer for a full refund.

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The company said the products should be returned, unopened, for a full refund.

BBC: Recalled products

If users are still unsatisfied, they can return the phone for a full refund.

FORBES: Magazine Article