Based on your request, it seems you are referring to a Cydia tweak or a tool for jailbroken iOS devices, possibly a translation tweak, rather than software named "Xydia".
Jailbreaking can make your device vulnerable and may void your warranty. To help you better, could you clarify: Download Xydia 1.5.8
There is a free Cydia tweak (part of a "Part 9" update from 2022) that allows you to translate text by selecting it and selecting a translation button. Based on your request, it seems you are
What is the specific you are looking for (e.g., translation, app management, customization)? What iOS version are you running? Based on your request
When downloading tweaks or tools, ensure you are using reputable sources to avoid malware.
Is it definitely or possibly another name (e.g., CyTrans , TranslateMe )?