After-Sales Policy

1. Scope

This policy covers Mu-chan firmware (Magic and Stock editions) and avatar codes. The hardware itself (Waveshare ESP32-S3-Touch-AMOLED-1.75C) is covered by its seller's own after-sales terms.

2. Free rebuilds (up to 3 per order)

Typed the wrong device key, or picked the wrong options? You don't need to buy again. Verify with your order number + relay key (earlier orders may use the download token from checkout) in the Free Rebuild section and generate a fresh firmware. Each order includes up to 3 free rebuilds, with no 24-hour window — take your time, and a mistake won't cost you.

3. Free upgrades while covered

When a new firmware version is released, orders within their coverage period can upgrade to it for free; upgrades do not consume rebuilds. The coverage period is the validity period of your relay key (the Magic edition includes 1 year). Stock-edition orders can also upgrade to new versions for free.

4. Recovery via your order email

Your relay key is your account — there is no password. The key is shown on the payment success page, and a delivery email is sent to your order email address as a backup. If you lose your key or codes, use the recovery page: enter your order email, pass the human check, and the key and codes are re-sent to that email. Order records are kept for 180 days; for older orders, email support for recovery. If the order email itself is no longer accessible, we cannot re-issue — please save your key somewhere safe at checkout.

5. Relay key expiry and renewal

When a Magic edition relay key expires, the device can no longer connect through the relay service. Renewing by the year (US$9.99/year) restores it — you do not need to buy the firmware again. The Stock edition does not use a relay key and is unaffected by expiry.

6. Contact

Email: bot@musejiang.com. Please include your order number and order email so we can find your order.