iPhone 16 lags in Free Fire after checking notifications or calls

My new iphone 16 is laggy in free fire on ios 26 and also ios26.0.1 .there is no lagg in gameplay but when I just saw the notification and time or attend the call then the game is too laggy I can’t play,after i close the game and open again then its normal .anyone address this issue give me a solution

[Re-Titled by Moderator]

Original Title: New iphone16 lag in free fire