https://devzone.nordicsemi.com/f/nordic-q-a/79094/my-android-phone-can-not-access-mesh-node-through-gatt-because-of-bad-micIn Our project we build a mesh network(about 100 mesh node)，before it work fine,but now we found can not access all mesh node through GATT link using mesh provision app. So i debug the device(mesh node),i found &quot;Decryption Fail&quot; Error and i get the baden-USTelligent Community 13Fri, 03 Sep 2021 16:17:05 GMThttps://devzone.nordicsemi.com/thread/328022?ContentTypeID=1Fri, 03 Sep 2021 16:17:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:019b767c-df0e-46ad-8f99-42a1ae30405fMttrinh<p>Hi,</p> <p>Can you provide some logs I can take a look at?&nbsp;</p> <p>What happen on the phone side when this issue occurs?</p> <p>This happens to only some devices in the network?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327738?ContentTypeID=1Thu, 02 Sep 2021 09:27:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d7a08faa-604f-4a76-ab68-23288290f910Kai777<p>I can not reproduce the replay step and wonder what caused it.</p> <p>The test phone is Huawei P10(Android) and i am already testing with another phone have the same result.</p> <p>Thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327457?ContentTypeID=1Tue, 31 Aug 2021 14:54:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4632f7c1-02b6-4dff-a12f-3180add86b39Mttrinh<p>Hi,</p> [quote user=""]Our project we build a mesh network(about 100 mesh node)，before it work fine,but now we found can not access all mesh node through GATT link using mesh provision app[/quote] <p>Can you clarify what you mean? You say it worked before, what have changed?</p> <p>What phone have you tested with? Have you tried testing with another phone and do you see the same issue?</p><div style="clear:both;"></div>