The BLU Vivo XI supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC). The Allview X4 Soul Infinity Plus supports 1 codec (SBC).
| Codec | BLU Vivo XI Details | Change |
Allview X4 Soul Infinity Plus Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | No |
| LDAC | Yes | No |
| AAC | Yes | No |
| UHQ | No | No |
| aptX | Yes | No |
| SBC | Yes | Yes |
| Bluetooth Version | 4.1 | 4.0 |
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