Of course you can use official way to update the firmware. But also here the programm which allow to update firmware without internet connection. Author: SoulTakerHome
Why XP Deus Battery Replacement? Like many such devices, the headphones, the coils and remote controls in XP Deus Metal Detector are all lithium battery
Some video tutorials and reviews how to waterproof metal detector. Waterproof metal detector case for sale Ordered here Handmade waterproofing metal detector You can choose this