The Android 4.3 Jelly Bean brings features like Bluetooth Smart, OpenGL ES 3.0 for better 3D graphics, dial pad auto-completion, improved multi-user support, security and network enhancements, working IR blaster, Bluetooth tethering, etc. You can try to manually ping the download servers by going to Settings > About phone > System updates > Check now. If that not worked, try below method.
- First, Put your device in Airplane mode.
- Go to Settings -> Apps and swipe to the All Apps tab.
- Locate the ‘Google Services Framework’ from the app list.
- Tap on it and proceed to tap the Force Stop option, followed by Clear Data.
- Still in Airplane mode, connect your device to Wi-Fi network and the go to Settings > About phone > System updates > Check now. Note: There is no guarantee that it’ll actually work. Also, the update for Samsung build for the Galaxy S4 weighs in at 150.7MB while the HTC One’s is a but heftier at 185.5MB. Warning: You may come across sign in issue in your Google Account and Play Store. In that case, remove your account and re-enter your Google account to fix the issue.