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I've just updated my Galaxy Tab 2 7" to OS v4.1.1 (Jelly Bean). Since that I can't connect to my device (from my Windows 8 PC, via USB) anymore.
Most relevant to me is the fact that I can't even debug my Android apps using the tablet (which is actually the reason why I bought it). Eclipse does show it among the adb devices, but in an offline status.

The Android SDK is updated. I've tried to force the install of the drivers via the android_winusb.inf located in the

\android-sdk-windows\extras\google\usb_driver

folder, but it doesn't seem to carry the right pieces of information. Tampering the file by manually adding 'em seems to conflict with the along-coming .cat files.
I've also tried by installing Kies, but even that piece of software can't connect to the device.

What do you suggest? Thanks in advance.

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神奇的是,就在几分钟前,我的设备“从上方”传来了一个新的 OTA 更新。这解决了整个问题(在 PC 端没有采取任何行动)。

查看“关于设备”的数据表,Android 版本仍然是 4.1.1。
我没有跟踪以前的内核版本或内部版本号,所以我看不出它们是否以及如何改变;但我现在可以把它们写下来,以防其他人检查可能很重要:

内核版本
3.0.31 - 523998

内部编号
JRO03C.P3110XXCLK7
于 2012-11-28T08:06:09.947 回答