Recover deleted SMS from K300i

MobiKin Doctor for Android is the most recommended Android data recovery software that can help you recover contacts, text messages, photos, videos, audio files, call history and more other data from overall Android phone.

Here you can try the Sony data recovery to recover deleted SMS no matter from SIm memory or the phone's In-Built memory. Follow the guide here to get your SMS back. https://ios-data-recovery.com/sony-phone-data-recovery

Android Recovery Mac software can help recover deleted text messages from Sony phone without losing any detail. Before using this program to retrieve deleted Sony SMS, you should keep in mind that you can't send or receive any new message.
How to Recover Deleted Text Messages from Android Smart Phone

1. Stop write anything to your k300i,otherwise you will re-write the files and permanently loose your important data.
2. Use some data recovery software like this one. My friends recommend it to me, it works pretty well. And then scan your k300i with the program, set a destination folder (folder where recovered files will be saved) somewhere on your computer. When the scan was finished, it will return a file list, you can choose the files you want to recover.
Data Recovery for Windows

You can use Sony data recovery-- iPubsoft Android SMS+ Contact Recovery to Recover deleted/lost Text messages or Contacts on your Android cell phone, like Samsung, HTC, LG etc. Recover Deleted Sony Ericsson Text Messages

They Are Stored In Both.

Generalyy Speaking,You Cant Recover Deleted Messages.

Phones Dont Hve A Recycle Bin Like A Computer.

Once Its Gone,Its Gone.

Regards,
Sophiee.