diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9aa0057..76de328 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.1.1] - 2023-12-03
+
+- Fixes
+
 ## [1.1.0] - 2023-12-03
 
 - Fix the problem of connection attempts using an incorrect address type
diff --git a/examples/le-discover-cache.ts b/examples/le-discover-cache.ts
index 80d09c0..2d2321f 100644
--- a/examples/le-discover-cache.ts
+++ b/examples/le-discover-cache.ts
@@ -43,6 +43,8 @@ class App extends NbleGapCentral {
         },
       },
     });
+
+    this.on('error', (err) => console.log('NbleGapCentral Error:', err));
   }
 
   protected async onAdvert(report: GapAdvertReport): Promise<void> {
@@ -107,7 +109,8 @@ class App extends NbleGapCentral {
       console.log(e);
     } finally {
       console.log('Disconnecting...');
-      await this.disconnect(event.connectionHandle);
+      await this.disconnect(event.connectionHandle)
+        .catch(() => {});
     }
   }
 
diff --git a/package.json b/package.json
index 295f9ef..1d13493 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bluetooth-hci",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Bluetooth HCI host implementation",
   "main": "lib/src/index.js",
   "types": "lib/src/index.d.ts",
diff --git a/src/gap/GapCentral.ts b/src/gap/GapCentral.ts
index f175c3b..867b439 100644
--- a/src/gap/GapCentral.ts
+++ b/src/gap/GapCentral.ts
@@ -449,21 +449,9 @@ export class GapCentral extends EventEmitter {
   }
 
   private async getRemoteInfo(connComplete: LeConnectionCompleteEvent | LeEnhConnectionCompleteEvent) {
-    // NOTE: don't know why but sometimes first request to remote device gives no response
-    //       so we try to read remote version information twice
-    //       problem occurs on nRF52840 Dongle with HCI controller
-
     const timeoutMs = connComplete.connectionIntervalMs * 10;
-
-    let version: ReadRemoteVersionInformationCompleteEvent;
-    try {
-      version = await this.hci.readRemoteVersionInformationAwait(connComplete.connectionHandle, timeoutMs);
-    } catch {
-      version = await this.hci.readRemoteVersionInformationAwait(connComplete.connectionHandle, timeoutMs);
-    }
-
+    const version = await this.hci.readRemoteVersionInformationAwait(connComplete.connectionHandle, timeoutMs);
     const features = await this.hci.leReadRemoteFeaturesAwait(connComplete.connectionHandle, timeoutMs);
-
     return { version, features };
   }
 
diff --git a/src/gatt/GattClient.ts b/src/gatt/GattClient.ts
index c8e5b63..06d7357 100644
--- a/src/gatt/GattClient.ts
+++ b/src/gatt/GattClient.ts
@@ -183,7 +183,7 @@ export class GattClient extends EventEmitter {
   }
 
   public async read(char: GattCharacteristic.AsObject): Promise<Buffer> {
-    const handle = char.valueHandle;
+    const handle = char.handle + 1;
     const blob = await this.att.readReq({ attributeHandle: handle });
 
     let part = blob.attributeValue;
@@ -203,12 +203,12 @@ export class GattClient extends EventEmitter {
   }
 
   public async write(char: GattCharacteristic.AsObject, value: Buffer): Promise<void> {
-    const handle = char.valueHandle;
+    const handle = char.handle + 1;
     await this.att.writeReq({ attributeHandle: handle, attributeValue: value });
   }
 
   public async writeWithoutResponse(char: GattCharacteristic.AsObject, value: Buffer): Promise<void> {
-    const handle = char.valueHandle;
+    const handle = char.handle + 1;
     await this.att.writeCmd({ attributeHandle: handle, attributeValue: value });
   }