We've listed below the popular smartphone brands that allow you to check their device's authenticity and/or warranty online through their official sites. Samsung Samsung's online warranty check is difficult to find and a bit complicated but can be done via their CyberService. Lenovo If you have a Lenovo phone, you can look up your device's warranty by entering either the Serial Number or the IMEI. Read more in our articles including "How to check your smartphone's authenticity or warranty online" and "Lenovo to launch IdeaPad S9 & S10 Netbooks".
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May 29, 2026We've listed below the popular smartphone brands that allow you to check their device's authenticity and/or warranty online through their official sites. Samsung Samsung's online warranty check is difficult to find and a bit complicated but can be done via their CyberService.
Lenovo If you have a Lenovo phone, you can look up your device's warranty by entering either the Serial Number or the IMEI.
Our coverage of lenovo warranty online includes: "How to check your smartphone's authenticity or warranty online"; "Lenovo to launch IdeaPad S9 & S10 Netbooks"; "Lenovo IdeaCentre A600 All-in-One PC". Each article provides unique insights and information.