Here you can get introductory knowledge, resources download, system & firmware updates, troubleshooting, after-sales service and more for X3 2nd gen
Customer Service Center
For technical support or warranty issue, please send email to firstname.lastname@example.org.
Input the security code of your products to become a community VIP user, so as to get product medal and track repair status anytime.
Check for FiiO authorized service centers
Here you can download the latest updating firmware, complete user manual and other useful information and tools to keep the product in the best working state.X3 (2nd gen) Complete User Manual X3II FW1.0 X3II FW1.1 X3II FW1.3 X3II FW1.4 X3 (2nd gen) 's USB DAC Driver(v4.11.0) X3II FW1.6 X3II FW2.0 Theme DIY Tool&Tutorial