1. Contact Xteink (do this first)
Uncertain availabilityEmail support@xteink.com (web orders) or help@xteink.com (Amazon/TikTok orders), or use the contact form. Ask for a paid panel or repair. The X4 ships with a 1-year warranty (cracks not covered, see the return policy), but they may still sell a part on request.
Cost: unknown, negotiate. Risk: may be declined; slow.