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FiiO Forums»Forums › Download and Share › Knowledge Base › Development version firmware › BTR3 & M5 with Flagship BT Chip Qualcomm CSR8675
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BTR3 & M5 with Flagship BT Chip Qualcomm CSR8675

siq

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2019-7-17
Post time 2019-7-17 18:05:22 |Show all posts |
Edited by siq at 2019-7-19 06:15

BTR3 & M5 uses Qualcomm's Flagship BT Chip CSR8675. Is there any firmware update planned to upgrade BT4.2 to 5.0 ? Are there any special reasons why BT5.0 is not implemented ?

The funny thing is, in BTA10 and BT1K ( both i also own ) are build in Qualcomm's QCC3005 with BT5.0 ! Ok, both supports as best possible Codec "just" aptX-LL  
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joco

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2019-7-26
Post time 2019-7-26 14:53:21 |Show all posts |
agree. especially for LDAC 990kbps may has better connection quality with BT5.0  
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Gelious

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2019-8-8
Post time 2019-8-19 15:51:49 |Show all posts |
Any answers?
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siq

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2019-7-17
Post time 2019-12-17 21:46:17 |Show all posts |
the strange thing now has happend, the new BTR5 is now launched with the same BT Chip CSR8675 and it supports BT5.0 !
Why just "poor" BT4.2 on the BTR3 and M5 with the same CSR8675 ?  
Is it possible to update it ?
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DLM

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Post time 2020-1-8 08:49:41 |Show all posts |
I'd like to know this also.  Why hasn't Bluetooth 5 been implemented on the M5 when the chip supports it?  Will there be a firmware update to do so?
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siq

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2019-7-17
Post time 2020-2-17 22:32:54 |Show all posts |
on BTR5 and Q5s BT5.0 works with LDAC (i own now both and i have tested it).
Why not on BTR3 and M5 ?
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jackegan

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2020-3-9
Post time 2020-3-9 15:30:41 |Show all posts |
Any solution?
slitherio
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siq

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2019-7-17
Post time 3 Day Before |Show all posts |
ok, now i see why... The new BTR3K with BT5.0 and 2.5mm balanced is born
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