From the marketplaces that demand certification to the resellers that supply them — Phonecheck-backed devices carry the credential every downstream buyer recognizes.
of US & EU marketplace sellers run on Phonecheck
checks run through Phonecheck — and counting
major marketplaces recognize the Device History Report
Every device ships with a signed, immutable Device History Report — graded, carrier-cleared, and blacklist-clean. Back Market, Amazon Renewed, and eBay Refurbished recognize the DHR, so listings carry the credential downstream buyers already trust.
Battery health, lock status, repair history, and cosmetic grade are captured in a single pass — alongside IMEI history, GSMA blacklist, and carrier-lock status. The result is a consistent, auditable grade on every unit you sell.
A standardized credential on each device sets clear condition expectations for buyers, reducing disputes and returns and protecting your standing on the marketplaces you sell through.
The Device Integrity Check confirms IMEI, storage, color, and country straight from the device — so what you bought is what you list, before it enters your inventory.
The 80-point pass runs automatically: battery health read from the device's own settings, OEM parts authentication, boosted-battery detection, lock and blacklist status. Objective results, not an operator's judgment call.
Every passing device earns a signed, immutable Device History Report — the credential Back Market, Amazon Renewed, eBay Refurbished, and Swappa recognize.
The two-way API syncs results to your systems in real time, so certified devices move straight from the test station to marketplace-ready inventory.
Back Market, Amazon Renewed, eBay Refurbished, and Swappa all recognize the Phonecheck Device History Report. Over 80% of marketplace sellers in the US and Europe run on Phonecheck, so the credential is the one downstream buyers already know.
Returns come from mismatched expectations. Phonecheck's diagnostics are automated and objective — the battery reading is the exact value from the device's own settings, and OEM parts authentication catches non-genuine screens, batteries, and cameras before a buyer does. A verified condition report on every listing means fewer disputes, fewer RMAs, and fewer chargebacks.
Phonecheck's two-way API syncs test results, grades, and certification data to your systems in real time and returns the next step to perform, so results flow into your listing workflow without manual re-entry.
Talk to our enterprise team about diagnostics, certification, and audit-grade erasure at your scale. Most demos are scheduled within 48 hours.
