diff --git a/src/index.ts b/src/index.ts
index 0ee51c3..16b567e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -211,7 +211,7 @@ export default class Updater {
                 let packet = this.file.slice(this._fileProgress, this._fileProgress+this._packetSize);
                 this._fileProgress += this._packetSize;
                 return new Promise((resolve, reject) => {
-                        this.bleObject.write(this.bleDeviceId, this._updaterServiceUUID, this._updateFileCharacteristicUUID, packet.buffer,
+                        this.bleObject.writeWithoutResponse(this.bleDeviceId, this._updaterServiceUUID, this._updateFileCharacteristicUUID, packet.buffer,
                                 () => {
                                         resolve(true);
                                 },