Blacklisted IMEI on used phone with dual sim

What is An IMEI Number? How to Find Your Phone IMEI imei slot in android L have the API to get device for each slot public String getDeviceId imei slot 1 No, you need to enter only one of them into the IMEI number field More information visit Samsung FAQ page for exchange & upgrade

imei slot meaning Check IMEI code registration status · Online payment for registration by application number · Online registration of mobile device IMEI codes