Be aware:
(I had a bad USB also)
Paul if your reading this - my SDS100 had USB intermittent connection from the beginning.
I think the below is complete crap, but unless you intervene, I guess I have to pay, or have a useless (expensive) radio.
On the service tracking website:
Your order has been checked by a technician and it was determined to have a problem that is not covered under the manufacturer's warranty. The below cost is the amount due to repair or exchange your unit. Please allow 10 business days for product shipment following approval.
(Line 1 SDS100) REASON FOR ESTIMATE
UNIT TAMPERING.
Repair Charge: $79.95
Shipping Charge: $10.00
Total: $89.95