—Consult the dealer or an experienced radio/TV technician for help.
If   you   still   have   some   problems,   please   contact   our   customer 
service
 Technical Support 
 Toll Free: 400-6622-666 (For Mainland China Only) 
 Toll Free: 1-800-570-5892 (For USA only) 
 Tel: +86 (755) 2344 2820 
 Skype: tendasz 
 MSN: tendasz@hotmail.com 
Email: support@tenda.com.cn 
 Headquarter Shenzhen: 
 Add: Tenda Industrial Zone,No.34-1 Shilong Road, ShiyanTown, 
Baoan District, Shenzhen, China. 518108
 Tel:(86)755-27657180 
 Fax: (86)755-27657178 
Email: sales@tenda.com.cn