Infinity A Grade

About us

Infinity A Grade

Founded in 2017, Infinity A Grade is a Hong Kong leading provider of fully tested refurbished mobile devices with a proven track record of quality and operational excellence on e-commerce marketplaces such as BackMarket, Amazon Renewed, eBay,, gsmExchange and Carousell. We do this by:

Diagnostic Test

Return Rate in e-marketplaces

Functional before delivery

Grading Standard

All our devices are thoroughly assessed with 200+ point diagnostic tests, ensuring every device we process is fully functional, accurately graded and truly ready for sale.

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