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Shanling UP4 Firmware V1.3.3 notes
Fixed an issue causing shut downs when using UP4 as USB DAC for longer period of time.
This update is only for original UP4. NOT COMPATIBLE with UP4 22.
How to update:
Manual update through Windows computer:
Please download update files from our website and follow included guide.
Wireless Over-the-air update:
Please note: Over-the-air update is unavailable for UP4 and UP2 from early production runs. When attempted to update them over-the-air, app will report error at the end of update process. These units can be updated only via the manual method through Windows computer.
1. Connect UP2/UP4 to Android device and open the Shanling Controller app. Make sure that your app is updated to the latest version and that UP2/UP4 is connected with the app.
2. In the app, open side menu (…) and go to “Bluetooth device control”.
3. Tap on the arrow at the Shanling UP2/UP4 listing. Start the update and wait until the app downloads and installs new firmware onto your UP2/UP4.