Updating apple watch 10 software

I have iphone 12 pro max qnd apple watch 40mm SE. Its been over q month and I can't update to apple watch 10. I have tried info on FAq nothing. It was saying unable to verify not connectedto network but I was on wifi, unpaired and now its saying for me to pair i should update first. It is downloading the update but its not finishing then it starts saying preparing and start downloading again it. We have no IStore in East London, Sent for repairs to their trusted repair shop here , they failed to fix it and i paid R250 for nothing (pisssed).