Infinity A Grade

Infinity A Grade is rated 3 out of 5 in the category consumer electronics. Read and write reviews about Infinity A Grade. The Used smartphone market is actually much larger than most people would have expected. However, the major pain of selling pre-owned phones is the lack of transparency in terms of pricing and grading standards. With extensive experience in serving clients from all over the world, mainly in the USA and EU, Infinity A Grade has built a solution to this challenge. We built an integrated system that changes how trading business used to be done. With such a powerful and highly efficient system, we are able to provide pre-owned wireless devices with inspection certificates to retailers and e-commerce sellers. We keep all the testing data transparent of each and every device. More importantly, we are becoming a stable source for quality pre-owned devices.