# Qin F21 Pro General Thread

**URL:** <https://jtechforums.org/t/qin-f21-pro-general-thread/77>\
**Category:** Qin Phones\
**Tags:** bar-phone, master-thread, qin-f21-pro, qin-phones\
**Created:** [August 4, 2024, 12:11am UTC](https://jtechforums.org/t/qin-f21-pro-general-thread/77 "2024-08-04T00:11:53Z")\
**Posts on this page:** 1\
**Showing post:** 562

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**Author:** ![ars18](https://jtechforums.org/user_avatar/jtechforums.org/ars18/32/11805_2.png) [@ars18](https://jtechforums.org/u/ars18)\
**Post date:** [December 25, 2025, 4:56am UTC](https://jtechforums.org/t/qin-f21-pro-general-thread/77/562 "2025-12-25T04:56:56Z")

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> [@GUIDE - Fix new batch F21 Pro speaker issue](https://jtechforums.org/t/guide-fix-new-batch-f21-pro-speaker-issue/4368/1):
>
> # The Fix
> 
> **updated kernel - loads new drivers** - need to use **boot** from the new F21 Pro
> 
> **updated dtbo - hardware configuration in kernel** - need to use **dtbo** from the new F21 Pro
> 
> **/vendor/firmware - 3 additions**  
> _aw87xxx\_acf.bin_  
> _aw87xxx\_acf\_aw87359.bin_  
> _aw87xxx\_acf\_aw87391.bin_

I guess I could clean it up a bit and explain it better. Will put yours in.

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