While TrackR is compatible with the majority of phones and tablets, there is a portion that is not. TrackRs are compatible with the following with the exception of the phone list below:
iPhone 4s & later - (iOS8 & later)
iPad 3rd Generation & later - (iOS8 & later)
iPad mini & later - (iOS8 & later)
Android 4.4 & Later with Bluetooth Low Energy
If you are experiencing issues either pairing your TrackR or inconsistent connectivity, then it is likely that your phone may not be compatible. Please view the list below to see if your phone model is on it.