the bugs were occurred in multiple apps were users reported to pubg mobile after looking into matter pubg mobile is investigating the matter between ios and pubg mobile pubg officials replied to the ios users about the issue and said they are looking into solving it
Dear players, we are aware of the current problem encountered by iOS users. This issue is happening to multiple apps and games on the iOS platform and we are actively looking into solving it. Thank you for your patience!
— PUBG MOBILE (@PUBGMOBILE) July 10, 2020
the app which was crashing was the call of duty, tinder, Facebook, pubg mobile, free-fire, as the majority of this apps asks facebook id to login and play also some of the experts said it was due to an issue of Facebook due to a crash of these apps
also changing the date to 8 July or 9th July solved bugs according to the ios users