But sometimes, it might cause your crashing on iPhone. Auto Backup is used to automatically backup chats to iCloud. Open Facebook app on iPhone > click "More" icon > select General to enter Settings page > Find "Upload contacts" and turn green button to grey > tap "Turn Off" on the pop-up window with "Stop continuously uploading your contacts" notification words.Ĭlose Auto Backup in WhatsApp.
When you run WhatsApp on your iPhone X/8/Plus or iPhone 7/6s/6 but end with crashing problem, you can try the below solutions to fix it on your own before resorting to app support team or asking for help from somebody else.Ĭlose the app on iPhone and re-launch it to have a try.ĭisable Facebook sync if you have recently installed Facebook with contact sync enabled to your iPhone Address Book.