How to retrieve chat messages on telegram?

Hey there, and welcome to Apple Support Communities Jklinger55,

We can certainly understand your concern and see you came to us from the article Delete and recover messages on your iPhone or iPad.

We recommend contacting Telegram directly for more information on how to recover deleted messages on their application. Check out these steps on how to contact an app developer.

" Contact the developer of an iOS, iPadOS, or watchOS app

1. Open the App Store on your iPhone, iPad, or iPod touch.
2. Search for the app, then tap it. If you can't find it, tap the account button  or your photo at the top of the screen, tap Purchased, tap "Not on this [device]," then tap the app.
3. The app's product page appears. Scroll to the Ratings & Reviews section, then tap App Support. If you don't see App Support, make sure that you're signed in with the correct Apple ID.

For apps on your Apple Watch

Use the iPhone that's paired with your Apple Watch and follow the steps for iPhone.

Contact the developer of a macOS app

1. Open the App Store on your Mac.
2. Click the sign-in button  or your photo. 
3. A list of apps appear. Click the app that you want. If you can't find the app, use the search bar.
4. The app's product page appears. Scroll to the Ratings & Reviews section, then click App Support. If you don't see App Support, make sure that you're signed in with the correct Apple ID.

Didn't get the app from the App Store?

If you have an issue with an app on your Mac but you didn't get the app from the App Store, learn how to contact a third-party developer.

Contact the developer of a tvOS app

1. Open the App Store on your Apple TV.
2. Search for the app, then choose it.
3. The app's product page appears. Scroll to the bottom of the page. Find the developer's website in the Information section.

If you still need help

If you can't find the contact information for the developer, search the internet. "

For additional information check out this link: How to contact an app developer - Apple Support

These steps will help ensure you have an easy path to follow in contacting an app developer.

Kindest regards!