Frequently Asked Questions
Everything you need to know about your FNIRSI experience.
What shipping methods do you use for international orders?
We utilize reliable global carriers including AliExpress Standard Shipping, DHL, and FedEx to ensure your precision instruments arrive safely and promptly.
How can I track my order status?
Once your order is dispatched, you will receive a confirmation email containing a tracking number and a link to monitor your shipment's progress in real-time.
What is your return policy for defective products?
We offer a 30-day return policy for any manufacturing defects. Please contact our support team with your order number and video evidence to initiate a replacement or refund.
Do FNIRSI products come with a warranty?
Yes, all official FNIRSI devices include a 12-month limited warranty covering hardware malfunctions under normal usage conditions.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and localized payment options available through our secure checkout gateway.
How do I update the firmware on my FNIRSI device?
Firmware updates can be downloaded from our official website's 'Download' section. Simply connect your device to a PC via USB and follow the provided PDF instructions.