1. Copy the following links into your browser to download the required software and firmware packages, and save them to your phone.

2. Open the folder where the file is saved and select the software installation package in APK format to install，and refer to the installation guide below for detailed instructions.

3. Turn on the phone's Wireless and location, then open the installed APK app, and click “path" to select the downloaded firmware.

4. Turn on the Wireless remote shutter. In the mobile app, click “search” to select the Wireless device you want to upgrade to and pair it. After the connection is complete, click “write” to start the update. The update progress will be displayed during the writing process, and the green light on the Wireless remote control will remain on.

5. When the writing progress reaches 100%, the app will display “Success” and “Disconnect”, indicating that the upgrade is complete. Unpair the Android phone from the Wireless remote shutter.

1. Apple iOS system connection settings:

After completing the Wireless connection with an iPhone, make the following settings:

Go to Apple “Settings” → “Accessibility” → “Zoom” → “On”

Double-tap the screen with three fingers, select the appropriate screen zoom ratio, and exit to start using the zoom function of the remote control.

Follow the prompts to connect your phone with the remote control. Once completed, you can use the remote shooting and zoom functions.