【4G LTE network】This senior 4G basic cell phone is compatible with T-Mobile(Prepaid Plan), MetroPCS, Tello Mobile, Ultra Mobile, SpeedTalk, Simple Mobile, Mint Mobile, Red Pocket ...

If you have a newer phone, it will most likely be compatible with Tello, but you should double-check its compatibility on Tello's website using your phone's IMEI number. Should you sign up for ...

This means phones and hearing aids -- even the over-the-counter and earpods options -- must be compatible with each other.