How to restore 49tk to watch app?

I don't know what kind of application 49tk Picture app is, but if your app disappears or is lost on the device, you can try the following actions to get it back: 1. Search the app store: You can search the app store and install it. 2. Check the mobile phone backup: If your device has enabled backup, you can check whether the backup file contains the application. 3. Restore the factory settings: If none of the above methods can be applied, you can consider restoring the factory settings of the equipment. However, please note that this operation will erase all data on the device and the application will be deleted. Be sure to back up all important data before performing this operation. I hope I can help you.