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Installation process 1 Download the sofa butler installation file to the U disk → 2U disk to connect the TV → 3 Read the installation package through the file management → 4 Complete the installation
Steps
1. Baidu search for "sofa manager" into the sofa network, download the sofa butler package; or directly click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package. 
2. Plug the USB flash drive with the apk installation package into the USB port on the Philips TV and open the Philips App Store. 
If the installation fails, restart the device and try again by following the steps. Still have questions please add the following sofa butler official QQ group.
WATERPROOF AND DURABLE – why equip yourself with anything but the best and most reliable headlamp? MX20 is built to last. It is rated to IPX5, which means it is protected against splashing or spraying water from any angle.
EXTENDED BATTERY LIFE – More light while using less energy? Sure! Foxelli head flashlight offers up to 45 hours of run-time. 3x AAA ENERGIZER batteries are included, so you can start using your brand-new Led Headlamp right out of the box.
LIGHTWEIGHT AND COMFORTABLE – you won't even notice wearing it. Weighing only 3.2 ounces (with batteries) with easily adjustable, ergonomically designed elastic headband makes this light perfect for long distance runners looking for a comfortable fit.
SUPER LONG BATTERY LIFE – by using leading CREE – 3W technology MX20 provides more light with less power used, resulting in up to 45 hours of run-time. 3 AAA ENERGIZER batteries included. Each head torch has been tested for quality.
Philips PFF5459/T3 smart TVs prohibit the installation of third-party applications, only through the small Y game to identify the installation package. Copy the downloaded apk installation package to the U disk.
3. Switch to the game category in the app store and select the Action Fight subcategory.
4. The first game under the category of sports fighting is the small Y game, install and open the small Y game.
5. Switch to the "Manage" menu of the small Y game and open the "Install Package Management" menu.
6. Find the U disk in the sofa butler installation package, to install. If there is no installation package at this step, please change the USB interface, or format the U disk to fat32 format, or directly replace the U disk, try again
7. Install the sofa butler to download any desired TV application.
If you still cannot read the USB flash drive, you are advised to format the USB flash drive in FAT32 format first (if there is any other content in the USB flash drive, export it and then format it) or try another USB flash drive.
Watch on-demand video on smart TV, recommend using pudding video; Watch live TV, recommend HDP live broadcast; More interesting content, please use Tencent video TV version, TV; Fun smart TV and box, more exciting content in Sofa net.