Lumia920刚升级之后sim是可以工作的。但重启之后就显示“no sim"。然后再运行Windows insider,选择 fast 项后,显示仍有更新,现在正在更新中。。。
Lumia920 SIM is working after the upgrade. But after reboot it displayed "no SIM". Then run Windows Insider, after you choose fast entry, shows there is still updated, now being updated.
完成后,还是现实 no sim...