updated refund days

services/refund-policy.html

                                         <p class="ms-3 pt-2 satoshi_font"><span class="fs-9 me-3 text-fyro">&star;</span>Products must be in their original packaging, including all accessories, manuals, and documentation.</p>
                                         <p class="ms-3 pt-2 satoshi_font"><span class="fs-9 me-3 text-fyro">&star;</span>Products must be undamaged and in a resalable condition.</p>
                                         <p class="ms-3 pt-2 satoshi_font"><span class="fs-9 me-3 text-fyro">&star;</span>Return shipping costs will be the customer's responsibility unless the refund is due to a product defect or error on our part.</p>
+                                        <p class="ms-3 pt-2 satoshi_font"><span class="fs-9 me-3 text-fyro">&star;</span>Once the product is received, the refund will be processed within 15 to 20 working days.</p>
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