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Follow these step-by-step instructions to install and configure PADS4 Viewer on your IIyama ProLite TW1025LASC Android touchscreen device.

First-Time Use

Ensure your PADS4 Server (version 2025.1 or later) is fully operational before starting.
The minimum PADS4 Server version required is PADS4 Foundation 2025.1
When you power on the device for the first time, the Android Home Screen should appear automatically. If it does not, perform a factory reset as described in section “Resetting the Device”

Resetting the Device

If the device has been used before, perform a factory reset to clear storage and avoid software conflicts.
  1. Open the **Settings **
  2. Select **System → Reset **options
  3. Select Erase all data (Fatory reset)
  4. **Confirm **Erase all data
After resetting the Android Home screen will appear. Continue with Installing the PADS4 Viewer.

Installing the PADS4 IIyama Viewer

Download PADS4IiyamaTouch.apk from your PADS4 Server at http(s)://[server]/[domain]/Apps Replace [server] with IP/hostname and [domain] with your PADS4 domain, default: PADS4.
Alternatively, get the latest from here, but copy it to the Server’s Apps directory to ensure the device installs the matching version upon connection
  1. Copy PADS4IiyamaTouch.apk to a USB stick.
  2. Insert USB stick into the device.
  3. OpenFile Manager .
  4. Navigate to USB stick and tap PADS4IiyamaTouch.apk.
  5. If blocked (“install from unknown sources not allowed”), tap Settings in the popup > enable “Allow from this source” for File Manager > go back.
  6. Tap to install, then open PADS4 IIyama Touch app

Connecting to the PADS4 Server

After installation, the PADS4 Viewer must be connected to the PADS4 Server using a correctly formatted server address. Use the following format for the server URL:
http(s)://[server]/[domain]
Replace [server] with IP/hostname and [domain] with your PADS4 domain, default: PADS4.

Connection Steps

  1. Enter the PADS4 Server Location.
  2. Specify a Viewer Name. If left blank, the PADS4 Server will generate a unique name
  3. Click on Start
  4. Set PADS4 IIyama Touch as the Home app and select Always
Once completed, the PADS4 Viewer should connect to the PADS4 Server. Additional settings such as screen orientation can be configured using Viewer Settings