From b612335d95be533282be3347f9bdbd384bee9549 Mon Sep 17 00:00:00 2001
From: Yudi Xiao <463708580@qq.com>
Date: Thu, 11 Dec 2025 12:45:27 +0800
Subject: [PATCH] =?UTF-8?q?expo-ble=E6=A8=A1=E5=9D=97=E6=B5=8B=E8=AF=95dem?=
 =?UTF-8?q?o=20=E8=81=94=E8=B0=83BLE=E6=A8=A1=E5=9D=97=20take=207=20?=
 =?UTF-8?q?=E5=B0=9D=E8=AF=95=E4=BA=8C=E6=AC=A1=E8=AE=BE=E7=BD=AEMTU=3D512?=
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---
 ble/core/BleClient.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ble/core/BleClient.ts b/ble/core/BleClient.ts
index f72a540..d3e992c 100644
--- a/ble/core/BleClient.ts
+++ b/ble/core/BleClient.ts
@@ -91,7 +91,14 @@ export class BleClient {
         if (!this.manager) throw new Error('BLE not supported on web');
         try {
             this.emit('connectionStateChange', {deviceId, state: ConnectionState.CONNECTING});
-            const device = await this.manager.connectToDevice(deviceId, {requestMTU: BLE_UUIDS.REQUEST_MTU});
+            let device = await this.manager.connectToDevice(deviceId, {
+                autoConnect: false,
+                requestMTU: BLE_UUIDS.REQUEST_MTU
+            });
+            if (device.mtu !== BLE_UUIDS.REQUEST_MTU) {
+                console.log("MTU not supported, requesting default to ", BLE_UUIDS.REQUEST_MTU);
+                device = await device.requestMTU(BLE_UUIDS.REQUEST_MTU)
+            }
             console.log("Connected to device with MTU = ", device.mtu);
             this.connectedDevice = await device.discoverAllServicesAndCharacteristics();
             this.emit('connectionStateChange', {deviceId, state: ConnectionState.CONNECTED});