Text messages can be retrieved after being deleted.

Whether it’s on purpose or not is irrelevant. But, the person using this cell phone must not be a stranger to you. This is a very good question since people are constantly erasing things. Facebook would then search their servers and provide the messages. Sure, someone can hack your phone and read your text messages from his phone. Text messages are treated like emails, according to the ECPA. In short, yes. But for phone calls and text messages sent within the last six months, investigators will need a judge’s signature. The simultaneously best and worst part of the internet is that nothing can ever really be deleted. Unfortunately, this isn’t always the case. The messages in green boxes in the Messages app are SMS text messages that you send to phone numbers unassociated with an Apple ID, like to people with Android phones. However, if you follow the steps above, all the messages will be deleted from your device – but are the deleted messages …
Firstly, the person who wants to hack your phone and get access to your messages downloads text message tracker.
Text messages can remain on your phone until they are overwritten by other data.

Can text messages be traced after they are erased?

Unfortunately, this isn’t always the case.

Text messages can remain on your phone until they are overwritten by other data. In other words, your phone records and older text messages are relatively easy for police to obtain without a search warrant. While you cannot recover deleted text messages on your phone, you — or someone else — can purchase software programs that allow your computer to uncover and read your deleted text messages. Deleted text messages can't be found if they're not saved at all. Snapchat works this way, but it's not the only option. However, if you follow the steps above, all the messages will be deleted from your device – but are the deleted messages … No one is allowed to trace, track or monitor someone else’s text messages. Texts are what all smartphones and most cell phones can send and receive, and include MMS texts, i.e., multimedia texts with images and video, as well. If you don't want to leave a record, use messaging apps that automatically delete messages after a specified period of time. Can text messages be traced after they are erased?

If a police authority has a case where they need access to a “deleted” Facebook account, then they would get a judge to sign a warrant and present that to Facebook. Facebook messages and the Messenger app aren’t the only chat clients this applies to.