Surveillance video released Monday shows the three pretending to shop at the Chew Avenue GameStop.
Then one suspect cracks a display case with a hammer.
The trio scooped up $3,200 worth of Apple products before running off.
The incident happened last Wednesday.
Anyone with information is asked to contact Philadelphia Police at 215-686-TIPS (8477), text a tip to PPD TIP (773847) or through PhillyPolice.com.