The Samsung Galaxy Z Fold4 supports 3 codecs (aptX HD, aptX, SBC). The Apple iPhone 4 CDMA supports 2 codecs (AAC, SBC).
| Codec | Samsung Galaxy Z Fold4 Details | Change |
Apple iPhone 4 CDMA Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | No |
| LDAC | No | No |
| AAC | No | Yes |
| UHQ | No | No |
| aptX | Yes | No |
| SBC | Yes | Yes |
| Bluetooth Version | 5.2 | 2.1 |
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