No. Flashing only affects the internal flash memory (OS). It does not touch your external HDD or USB recordings. However, your timers and settings will be erased.
Updating your Zgemma firmware is the best way to keep your receiver running smoothly. By choosing a stable image like OpenATV or a fast one like OpenPLi, and following the flashing instructions carefully, you can enjoy a superior TV experience. zgemma firmware
OpenPLi focuses on speed and simplicity. It is often faster and less bloated than other images, making it ideal for older or less powerful Zgemma models. Very fast, clean interface, user-friendly. and following the flashing instructions carefully