The message 'I can't play the game due to 'Unable to connect to server. Please try a different network or grant WiFi access to the game in your settings. Error code: 1554140712, 154140714 or 154140716.' appears when time has exceeded during resource update.
It is highly recommended to play on a stable network connection(Wi-Fi/data).
If the issue persists, please contact PUBG Mobile Support with the following information.
[Mobile device information]
1. Model name of device (model, OS, version)
2. Network connection (Wi-Fi/data)
3. When this occurred
5. ISP/Mobile carrier