How to find my iphone 4 of imei with out phone

Hi Abenezerr,

Here’s how to Find the serial number or IMEI on your iPhone, iPad, or iPod touch - Apple Support

hope it helps,

Charles

If it's the original, then it should be laser etched on the SIM card tray. But if the SIM card was ever replaced, it might be a generic one with no markings, or it could be a salvaged part that may have the incorrect one.