5 in 1 Awrt iBUS Adapter Restore Programmer for Apple Watch S7 S8 S9 Ultra1 Ultra 2 

Features:

1.  Suitable for Apple watch S7 S8 S9 Ultra1 Ultra2 ,don't need disassembly.

2.   It is highly recommended to use the i4 brush tool that comes with Apple computer.   After online, I4 will prompt which firmware to use.

3.   Most of the watches after S7 are to enter the DFU mode to brush.

4.   Windows's iTunes can also be brushed, but there is no Apple i4 stable.

5.   At present, the firmware S9 can be available in versions 10.0.2.   Other S7 S8 Ultra1 and 2 can use 9.63 version.