One solution I got is Try to observe which app is deleting the contacts ..in my case it's Google play services ...u can go to recycle bin and tap on any deleted contact it will show which app is deleting contactsThen go to that app details and deny t...

One solution I got is Try to observe which app is deleting the contacts ..in my case it's Google play services ...u can go to recycle bin and tap on any deleted contact it will show which app is deleting contactsThen go to that app details and deny t...