Most updates preserve system apps. However, a full reset may require you to log in again. Your downloaded apps will be erased unless backed up.
Sellers on AliExpress, Amazon, or Banggood sometimes host firmware files. Check the "Product Guides" or "Seller Messages" section of your purchase history. qmax mst999 h2 mini 4 software update free
Updating the firmware on your satellite receiver is essential for several reasons: Most updates preserve system apps