# Pairing failed!......KeyBasedPairingExtensionResponse wrong address length: 1

![](images/Pairing+failed!......KeyBasedPairingExtensionResponse+wrong+address+length_+1_f9f4eb2a.jpg)

<a href="/download/attachments/1053467367/End-to-End%20Integration-pairing%20failed.7z?version=1&amp;modificationDate=1772882111277&amp;api=v2" data-linked-resource-container-id="1053467367" data-linked-resource-container-version="3" data-linked-resource-content-type="application/octet-stream" data-linked-resource-default-alias="End-to-End Integration-pairing failed.7z" data-linked-resource-id="1066107476" data-linked-resource-type="attachment" data-linked-resource-version="1">End-to-End Integration-pairing failed.7z</a>

设备：TWS 耳机支援LE audio

手机：支援LE audio

测试的时候有Enable LE Spec Test

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 **<span style="color: rgb(255,0,0);">// 设备是支援LE audio的TWS耳机，le_device_mode 0 是不对的，这个值是MCU cfg tool配置的，麻烦自查认证测试文档</span>**

0001530  02-10#15:13:12.989  143  0027119.990  \[APP\] !\*\*gfps_send_kbp_response_le: le_device_support 1,<span style="color: rgb(255,0,0);"> le_device_mode 0</span>\
 0001531  02-10#15:13:12.989  144  0027140.696  \[PATCH\] patch_hw_aes_operate_imp: error code: 0x0\
 0001532  02-10#15:13:12.989  145  0027140.775  \[APP\] !\*\*gfps_send_kbp_response_le: raw response 02 00 01 19 97 88 00 00 00 91 21 1F 31 DD C7 5C, encrypt response AC D6 3E CA C6 A1 84 71 9C 6C A7 71 7E C4 DE BF 

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**<span style="color: rgb(255,0,0);">如果设备是支援LE audio的， Enable GFPS LE Pair 要勾选，GFPS device mode 设成 Dual mode device with CSIP/Dual mode device with LE Audio</span>**

<span class="image-wrap">![](https://jira.realtek.com/secure/attachment/5954289/5954289_image-2026-02-10-18-27-37-586.png)</span>

<a href="https://jira.realtek.com/browse/BBPRO3BUG-28142" class="external-link" rel="nofollow">[BBPRO3BUG-28142] [Laplace][Earbud]PTS-135] GFPS：Fail in "End-to-End Integration" - Jira</a>

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