We all know about Telegram app that this is messaging app. Normally this is happen with all of us that we have deleted so important chats by mistake. If you are one of them who deleted their telegram chat and now looking for the how to retrieve deleted messages on telegram iphone. Then your search is over here:
Open you telegram
Visit to the telegram setting button
click on the “Advanced” button
Then, click on the “Export Telegram Data”
After that choose the type of chat you want to backup.
Then, select the Html format and finally download the path.