@peachbitcoin hi. i'm curious. on an iphone, which unique identifier are you using? on android i guess you are using the SSAID, right? but on iphones afaik the IDFV changes when every app from the same developer is uninstalled and then reinstalled. so this can't be the identifier you are using. and the identifier for advertisers (IDFA) is nullified on the affected device. thanks in advance for your response