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Mention USB serial uniqueness requirement.

This commit is contained in:
Simo Kinnunen 2015-06-26 23:59:04 +09:00
parent 7740a8be62
commit d242c41d88

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@ -170,6 +170,8 @@ There can be various reasons for this behavior. Some especially common reasons a
- It happens. Try another one.
* The USB hub is broken
- This, too, happens. Just try a new one.
* The device might not have a unique USB serial number, causing STF to overwrite the other device instead
- This has never happened to us so far, but we do have one dirt-cheap Android 4.4 device whose serial number is the wonderfully unique "0123456789ABCDEF". Presumably if we had more than one unit we would have a problem.
### A device that was previously connected no longer shows up in the list.