Why does Peripheral show MTU of 498 while iOS Controller shows a MTU of 495?

Why does Peripheral show MTU of 498 while iOS Controller shows a MTU of 495?https://devzone.nordicsemi.com/f/nordic-q-a/114201/why-does-peripheral-show-mtu-of-498-while-ios-controller-shows-a-mtu-of-495I am sending data from iOS to a nRF5340DK. I have some code showing the TX/RX MTU Size: Which shows: Updated MTU: TX: 527 RX: 498 bytes But on the iOS/Controller side I have code: Which shows: mtu: 495 I also wanted to confirmen-USTelligent Community 13Mon, 26 Aug 2024 06:20:46 GMTRE: Why does Peripheral show MTU of 498 while iOS Controller shows a MTU of 495?https://devzone.nordicsemi.com/thread/499659?ContentTypeID=1Mon, 26 Aug 2024 06:20:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8800ec8-4c2c-4a68-a24e-5a4a55753681Vidar Berg<p>Hello,</p> <p>iOS is showing the maximum write length, which is the ATT MTU size minus the 3-byte ATT header. </p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1724653171117v1.png" alt=" " /></p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>