Tell me what state your 7210n is in (bricked, soft-bricked, or just trying to revert) for more specific steps. Download for TL-WA7210N V2 - TP-Link
Users often look for a "stripped" firmware or full dump to revert to stock, especially when third-party firmware causes low transmission power or instability. Download LINK 7210n Dump rar
It is crucial to identify if the device is a V1 or V2 model, as flashing the wrong firmware dump will cause permanent damage. Tell me what state your 7210n is in