Trang Web kiểm tra bảo hành cho một số HDH

 IPHONE

https://selfsolve.apple.com/agreementWarrantyDynamic.do

http://www.muaiphone.com/index.php?option=com_content&view=article&id=16

NOKIA

http://www.nokia.com/vn-vi/ho-tro/warranty-checker/

SAMSUNG

http://vietfones.vn/forum/showthread.php?540172-Check-Th%E1%BB%9Di-Gian-B%E1%BA%A3o-H%C3%A0nh-NOKIA-SAMSUNG

CHỌN HDH OS PHÙ HỢP

http://applife.vn/8958/apple-phat-hanh-ios-6-1-2-sua-loi-bao-mat-va-exchange-calendar.html

http://www.getios.com/index.php